1st quadrant Galactic SNRs (0°<l<45°)
G0.0+0.0
Sgr A East
- Right Ascension: 17 45 44
- Declination: −29 00
- Size (/arcmin): 3.5×2.5
- Type: S
- Flux density at 1 GHz (/Jy): 100?
- Spectral Index: 0.8?
- Radio: Non-thermal shell, in complex region, interacting with molecular material to the west.
- X-ray: Diffuse emission, centrally peaked.
- Point sources: Compact X-ray/radio source.
References:
- Ekers et al. 1983, A&A, 122, 143. VLA at 1.4 GHz and 5 GHz (both 5''×8''), S1.4 GHz=77 Jy, S5.0 GHz=31 Jy.
ADS
- Pedlar et al. 1989, ApJ, 342, 769. VLA at 332 MHz (12''), 1.4 GHz (1.''3×2.''5) and 5 GHz (1.''3×2.''5).
ADS
- Mezger et al. 1989, A&A, 209, 337. Nearby molecular material.
ADS
- Ho et al. 1991, Nature, 350, 309. VLA of NH3 emission from surroundings.
ADS
- Anantharamaiah et al. 1991, MNRAS, 249, 262. VLA at 330 MHz (17''×33'').
ADS
- Serabyn et al. 1992, ApJ, 395, 166. Nearby molecular material.
ADS
- Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43''×88'').
ADS
- Yusef-Zadeh & Mehringer 1995, ApJ, 452, L37. VLA of nearby H2O masers.
ADS
- Yusef-Zadeh et al. 1999, ApJ, 512, 230. OH maser observations.
ADS
- Coil & Ho 2000, ApJ, 533, 245. NH3 observations of surroundings.
ADS
- LaRosa et al. 2000, AJ, 119, 207. VLA at 333 MHz (24''×43'').
ADS
also see: LaRosa et al. 2000, AJ, 119, 3145. Erratum.
ADS
- Fatuzzo et al. 2001, ApJ, 549, 293. Electron–positron lines from the vicinity.
ADS
- Yusef-Zadeh et al. 2001, ApJ, 560, 749. Observations of nearby molecular hydrogen.
ADS
- Maeda et al. 2002, ApJ, 570, 671. Chandra observations.
ADS
- Sakano et al. 2003, AN, 324 (No S1), 197. XMM-Newton observations.
ADS
- Roy & Rao 2004, MNRAS, 349, L25. GMRT at 620 MHz (6.'6×11.'4).
ADS
- Sakano et al. 2004, MNRAS, 350, 129. XMM-Newton observations.
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (1''×2.''2).
ADS
- Park et al. 2005, ApJ, 631, 964. Chandra observations.
ADS
- Aharonian et al. 2006, ApJ, 636, 777. HESS detection.
ADS
- Koyama et al. 2007, PASJ, 59, S237. Suzaku observations.
ADS
- Lee et al. 2008, ApJ, 674, 247. Molecular H2 observations of surroundings.
ADS
- Sjouwerman & Pihlström 2008, ApJ, 681, 1287. VLA at 1.7 GHz of OH masers.
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Tsuboi et al. 2012, PASJ, 64, 111. CO observations of SW.
ADS
- Minh et al. 2013, ApJ, 773, 31. NH3 observations of region.
ADS
- Zhao et al. 2013, ApJ, 777, 146. VLA at 4.8 GHz (0.''5×0.''7), 5.5 GHz (0.''6×1.''6), and 8.3 GHz (1.''0×2.''0).
ADS
- Nynka et al. 2013, ApJ, 778, L31. NuSTAR of compact X-ray source.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA observations of methanol masers.
ADS
- Ponti et al. 2015, MNRAS, 453, 172. XMM-Newton observations.
ADS
- Tsuboi et al. 2015, PASJ, 67, 109. CO observations of region.
ADS
- Lau et al. 2015, Science, 348, 413. IR observations.
ADS
- Ajello et al. 2016, ApJ, 819, 44. Fermi observations.
ADS
- Yusef-Zadeh et al. 2016, ApJ, 819, 60. VLA at 1.5 GHz 0.''5×1.''4) and other frequencies.
ADS
- McEwen et al. 2016, ApJ, 832, 129. CH3OH maser observations in region.
ADS
- Qiao et al. 2018, ApJS, 239, 15. OH maser observations.
ADS
Last updated: 9 Apr 2019
G0.3+0.0
- Right Ascension: 17 46 15
- Declination: −28 38
- Size (/arcmin): 15×8
- Type: S
- Flux density at 1 GHz (/Jy): 22
- Spectral Index: 0.6
Notes: Has been called G0.33+0.04, G0.30+0.04 and G0.4+0.1.
- Radio: Bilateral shell, near Galactic Centre.
- X-ray: Diffuse emission.
References:
- Kassim & Frail 1996, MNRAS, 283, L51. VLA at 333 MHz (23''×42''), plus review of flux densities and other observations.
ADS
- LaRosa et al. 2000, AJ, 119, 207. VLA at 333 MHz (30'').
ADS
also see: LaRosa et al. 2000, AJ, 119, 3145. Erratum.
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (30'').
ADS
- Ponti et al. 2015, MNRAS, 453, 172. XMM-Newton observations.
ADS
- Ajello et al. 2016, ApJ, 819, 44. Fermi observations.
ADS
Last updated: 3 Apr 2019
G0.9+0.1
- Right Ascension: 17 47 21
- Declination: −28 09
- Size (/arcmin): 8
- Type: C
- Flux density at 1 GHz (/Jy): 18?
- Spectral Index: varies
- Radio: Flat spectrum core within steep spectrum shell.
- X-ray: Central core, with non-thermal spectrum.
- Point sources: Central pulsar.
References:
- Helfand & Becker 1987, ApJ, 314, 203. VLA at 1.4 and 5 GHz, and Einstein observations.
ADS
- Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43''×91'').
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Mereghetti et al. 1998, A&A, 331, L77. X-ray detection.
ADS
- LaRosa et al. 2000, AJ, 119, 207. VLA at 333 MHz (24''×43'').
ADS
also see: LaRosa et al. 2000, AJ, 119, 3145. Erratum.
ADS
- Sidoli et al. 2000, A&A, 361, 719. BeppoSAX observations.
ADS
- Gaensler et al. 2001, ApJ, 556, L107. Chandra observations.
ADS
- Porquet et al. 2003, A&A, 401, 197. XMM-Newton observations.
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (8.''6×11.''3).
ADS
- Aharonian et al. 2005, A&A, 432, L25. HESS detection.
ADS
- Dubner et al. 2008, A&A, 487, 1033. ATCA and VLA at 1.4 GHz (1.''2×2.''5: S=8.3±0.7 Jy), 5 GHz (1.''6×2.''5) and 8.3 GHz (0.''8×1.''5).
ADS
- Camilo et al. 2009, ApJ, 700, L34. Pulsar detection.
ADS
- Holler et al. 2012, A&A, 539, A24. Chandra and XMM-Newton observations.
ADS
- Ponti et al. 2015, MNRAS, 453, 172. XMM-Newton observations.
ADS
- Archer et al. 2016, ApJ, 821, 129. γ-ray observations.
ADS
- Abdalla et al. 2018, A&A, 612, A1. HESS observations.
ADS
Last updated: 15 Apr 2019
G1.0−0.1
- Right Ascension: 17 48 30
- Declination: −28 09
- Size (/arcmin): 8
- Type: S
- Flux density at 1 GHz (/Jy): 15
- Spectral Index: 0.6?
Notes: Has been called G1.05−0.1 and G1.05−0.15.
- Radio: Incomplete shell, to the S of Sgr D.
- X-ray: Possibly detected.
References:
- Downes et al. 1979, A&AS, 35, 1. Review of flux densities.
ADS
- Anantharamaiah et al. 1991, MNRAS, 249, 262. VLA at 330 MHz (64''×100'': S=12.3 Jy).
ADS
- Liszt 1992, ApJS, 82, 495. VLA at 1.6 GHz (13''×23'').
ADS
- Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43''×91'').
ADS
- Mehringer et al. 1998, ApJ, 493, 274. VLA at 1.6 GHz (15''×28'') and 5 GHz, including masers observations.
ADS
- Yusef-Zadeh et al. 1999, ApJ, 527, 172. VLA of nearby OH masers.
ADS
- LaRosa et al. 2000, AJ, 119, 207. VLA at 333 MHz (24''×43'').
ADS
also see: LaRosa et al. 2000, AJ, 119, 3145. Erratum.
ADS
- Sidoli et al. 2001, A&A, 372, 651. BeppoSAX possible detection.
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (30'').
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Nobukawa et al. 2009, AdSpR, 43, 1045. Suzaku observations.
ADS
- Marquez-Lopez & Phillips 2010, MNRAS, 407, 94. Mid-IR observations.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Ponti et al. 2015, MNRAS, 453, 172. XMM-Newton observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 4 Jun 2017
G1.4−0.1
- Right Ascension: 17 49 39
- Declination: −27 46
- Size (/arcmin): 10
- Type: S
- Flux density at 1 GHz (/Jy): 2?
- Spectral Index: ?
- Radio: Shell, brightest in E.
- X-ray: Diffuse emission.
References:
- Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43''×92'': S=2 Jy).
ADS
- Yusef-Zadeh et al. 1999, ApJ, 527, 172. VLA of nearby OH masers.
ADS
- Bhatnagar 2002, MNRAS, 332, 1. GMRT at 327 MHz (2.'4×2.'7: S=4.2±0.5).
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (8.''2×12.''2).
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA observations of methanol masers.
ADS
- Ponti et al. 2015, MNRAS, 453, 172. XMM-Newton observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- McEwen et al. 2016, ApJ, 826, 189. NH3 and CH3OH observations.
ADS
Last updated: 4 Jun 2017
G1.9+0.3
- Right Ascension: 17 48 45
- Declination: −27 10
- Size (/arcmin): 1.5
- Type: S
- Flux density at 1 GHz (/Jy): 0.6
- Spectral Index: 0.6
- Radio: Shell, brighter to the N, brightening; shows secular increase.
- X-ray: Shell, with bright limbs to E and W.
- Distance: HI absorption gives <10 kpc.
References:
- Green & Gull 1984, Nature, 312, 527. VLA at 5 GHz (2''×4.''4).
ADS
- Gray 1994, MNRAS, 270, 835. MOST at 843 MHz (43''×94'').
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (8.''3×12'').
ADS
- Nord et al. 2004, AJ, 128, 1646. VLA at 330 MHz (7''×12'').
ADS
- Green 2004, BASI, 32, 335. VLA at 1.5 GHz (7.''2×9.''4).
ADS
- Reynolds et al. 2008, ApJ, 680, L41. Chandra observations.
ADS
- Green et al. 2008, MNRAS, 387, L54. VLA at 4.86 GHz (4''×10''), for expansion studies.
ADS
- Murphy et al. 2008, MNRAS, 389, L23. MOST at 843 MHz for flux increase.
ADS
- Gómez & Rodríguez 2009, RMxAA, 45, 91. VLA at 1.5 GHz (5.''1×10.''6).
ADS
- Reynolds et al. 2009, ApJ, 695, L149. Chandra spectroscopy.
ADS
- Borkowski et al. 2010, ApJ, 724, L161. Chandra observations.
ADS
- Carlton et al. 2011, ApJ, 737, L22. Chandra expansion studies.
ADS
- Borkowski et al. 2013, ApJ, 771, L9. Chandra observations.
ADS
- Abramowski et al. 2014, MNRAS, 441, 790. HESS observations.
ADS
- Borkowski et al. 2014, ApJ, 790, L18. Chandra expansion studies.
ADS
- Roy & Pal 2014, IAUS, 296, 197. GMRT HI observations.
ADS
- De Horta et al. 2014, SerAJ, 189, 41. ATCA at 1.4 (5.''4×10.''4), 2.4 (2.''9×6.''1) and 5 GHz (1.''2×2.''8).
ADS
- Gök & Ergin 2015, AdSpR, 56, 1793. Suzaku and Fermi observations.
ADS
- Zoglauer et al. 2015, ApJ, 798, 98. NuSTAR observations.
ADS
- Borkowski et al. 2017, ApJ, 837, L7. Chandra expansion studies.
ADS
Last updated: 3 Apr 2019
G3.7−0.2
- Right Ascension: 17 55 26
- Declination: −25 50
- Size (/arcmin): 14×11
- Type: S
- Flux density at 1 GHz (/Jy): 2.3
- Spectral Index: 0.65
Notes: Has been called G003.8−00.3.
- Radio: Double arc.
References:
- Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43''×99'': S=2.4 Jy).
ADS
- Gaensler 1998, ApJ, 493, 781. VLA at 1.4 GHz (9''×15'': S=1.7±0.1 Jy).
ADS
- Yusef-Zadeh et al. 2004, ApJS, 155, 421. VLA at 1.4 GHz (8.''4×11.''4).
ADS
Last updated: 31 Mar 2006
G3.8+0.3
- Right Ascension: 17 52 55
- Declination: −25 28
- Size (/arcmin): 18
- Type: S?
- Flux density at 1 GHz (/Jy): 3?
- Spectral Index: 0.6
- Radio: Incomplete shell.
References:
- Gray 1994, MNRAS, 270, 847. MOST at 843 MHz (43''×100'': S=3.5 Jy).
ADS
- Bhatnagar 2002, MNRAS, 332, 1. GMRT at 327 MHz (17''×27'': S=6.0±0.4).
ADS
Last updated: 11 Jan 2004
G4.2−3.5
- Right Ascension: 18 08 55
- Declination: −27 03
- Size (/arcmin): 28
- Type: S
- Flux density at 1 GHz (/Jy): 3.2?
- Spectral Index: 0.6?
- Radio: Elongated shell.
- Optical: Detected.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
Last updated: 25 Apr 2014
G4.5+6.8
Kepler, SN1604, 3C358
- Right Ascension: 17 30 42
- Declination: −21 29
- Size (/arcmin): 3
- Type: S
- Flux density at 1 GHz (/Jy): 19
- Spectral Index: 0.64
Notes: This is the remnant of Kepler's SN of AD1604.
- Radio: Incomplete shell, brighter to the N.
- Optical: Faint filaments.
- X-ray: Shell, brighter to the N.
- Distance: Optical expansion and proper motion indicates about 2.9 kpc, HI observations suggest 3.4 to 6.4 kpc.
References:
- van den Bergh & Kamper 1977, ApJ, 218, 617. Optical proper motions.
ADS
- Leibowitz & Danziger 1983, MNRAS, 204, 273. Optical spectra.
ADS
- White & Long 1983, ApJ, 264, 196. Einstein observations.
ADS
- Matsui et al. 1984, ApJ, 287, 295. VLA at 1.4 (2.''5×3.''2) and 5 GHz (3.''2×4.''8) and Einstein image (5'').
ADS
- Dickel et al. 1988, ApJ, 330, 254. VLA at 1.4 (1.''2×2.''3) and 5 GHz (0.''6×1.''0) at two epochs.
ADS
- Smith et al. 1989, ApJ, 347, 925. EXOSAT observations.
ADS
- Hatsukade et al. 1990, PASJ, 42, 279. X-ray spectrum.
ADS
- Blair et al. 1991, ApJ, 366, 484. Optical imaging and spectroscopy.
ADS
- Bandiera & van den Bergh 1991, ApJ, 374, 186. Optical changes.
ADS
- van den Bergh 1991, PASP, 103, 194. Optical imaging.
ADS
- Predehl & Schmitt 1995, A&A, 293, 889. ROSAT of dust scattered halo.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Hughes 1999, ApJ, 527, 298. ROSAT and Einstein image comparison for expansion studies.
ADS
- Reynoso & Goss 1999, AJ, 118, 926. VLA at 1.4 GHz (13''×23'') for HI studies.
ADS
- Kinugasa & Tsunemi 1999, PASJ, 51, 239. ASCA observations.
ADS
- Gerardy & Fesen 2001, AJ, 121, 2781. IR spectroscopy and imaging.
ADS
- DeLaney et al. 2002, ApJ, 580, 914. VLA at 1.3 to 1.5 GHz and 5 GHz (7.''2) for spectral index studies.
ADS
- Morgan et al. 2003, ApJ, 597, L33. Sub-mm dust observations.
ADS
- Sollerman et al. 2003, A&A, 407, 249. Optical spectroscopy.
ADS
- Cassam-Chenaï et al. 2004, A&A, 414, 545. XMM-Newton observations.
ADS
- Bamba et al. 2005, ApJ, 621, 793. Chandra observations of rim.
ADS
- Riesgo & López 2005, RMxAA, 41, 57. Optical observations of filament (previously classified as PN, H 2-12).
ADS
- Blair et al. 2007, ApJ, 662, 998. Spitzer observations.
ADS
- Reynolds et al. 2007, ApJ, 668, L135. Chandra observations.
ADS
- Sankrit et al. 2008, AJ, 135, 538. HST observations.
ADS
- Aharonian et al. 2008, A&A, 488, 219. HESS upper limit.
ADS
- Enomoto et al. 2008, ApJ, 683, 383. γ-ray upper limit.
ADS
- Katsuda et al. 2008, ApJ, 689, 225. Chandra proper motion studies.
ADS
- Vink et al. 2008, ApJ, 689, 231. Chandra proper motion studies.
ADS
- Gomez et al. 2012, MNRAS, 420, 3557. Herschel IR dust observations.
ADS
- Williams et al. 2012, ApJ, 755, 3. Spitzer spectroscopy.
ADS
- Burkey et al. 2013, ApJ, 764, 63. Chandra observations.
ADS
- Yang et al. 2013, ApJ, 766, 44. Suzaku spectroscopy.
ADS
- Park et al. 2013, ApJ, 767, L10. Suzaku observations.
ADS
- Katsuda et al. 2015, ApJ, 808, 49. XMM-Newton, Chandra and Suzaku observations.
ADS
- Sankrit et al. 2016, ApJ, 817, 36. HST for proper motion studies.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Sato & Hughes 2017, ApJ, 845, 167. Chandra expansion studies.
ADS
- Kasuga et al. 2018, PASJ, 70, 88. Chandra observations.
ADS
Last updated: 9 Apr 2019
G4.8+6.2
- Right Ascension: 17 33 25
- Declination: −21 34
- Size (/arcmin): 18
- Type: S
- Flux density at 1 GHz (/Jy): 3
- Spectral Index: 0.6
Notes: Has been called G4.5+6.2.
- Radio: Faint shell.
References:
- Duncan et al. 1995, MNRAS, 277, 36. Parkes 64-m at 2.4-GHz (10.'4).
ADS
- Bhatnagar 2000, MNRAS, 317, 453. GMRT at 327 MHz (1.'3×2.'2: S=5.5±1.2 Jy), and NVSS at 1.4 GHz.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G5.2−2.6
- Right Ascension: 18 07 30
- Declination: −25 45
- Size (/arcmin): 18
- Type: S
- Flux density at 1 GHz (/Jy): 2.6?
- Spectral Index: 0.6?
- Radio: Poorly resolved shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G5.4−1.2
Milne 56
- Right Ascension: 18 02 10
- Declination: −24 54
- Size (/arcmin): 35
- Type: C?
- Flux density at 1 GHz (/Jy): 35?
- Spectral Index: 0.2?
Notes: Part been called G5.3−1.0. Has been suggested that this is not a SNR.
- Radio: Incomplete shell, including wide `v' of emission to east with small flat-spectrum source at apex.
- Optical: Detected.
- X-ray: Pulsar detected, with faint extension.
- Point sources: Pulsar nearby, in flat spectrum source.
- Distance: HI absorption suggests >4.3 kpc.
References:
- Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=38 Jy).
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=21.9±2.4 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Zealey et al. 1979, A&AS, 38, 39. Optical detection.
ADS
- Becker & Helfand 1985, Nature, 313, 115. VLA at 1.4 and 5 GHz.
ADS
- Helfand & Becker 1985, Nature, 313, 118. Suggesting it is not a SNR.
ADS
- Manchester et al. 1985, MNRAS, 212, 975. Pulsar detection.
ADS
- Caswell et al. 1987, MNRAS, 225, 329. MOST at 843 MHz (42''×110'').
ADS
- Frail & Kulkarni 1991, Nature, 352, 785. Pulsar and remnant association.
ADS
- Manchester et al. 1991, MNRAS, 253, 7P. Pulsar and remnant association.
ADS
- Milne et al. 1992, MNRAS, 255, 707. Parkes 64-m at 4.75 (4.'5: S=30.8±2.1 Jy) and 8.4 GHz (3': S=24±3 Jy), including polarisation.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'0×4.'9: S=38 Jy).
ADS
- Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz (68''×73''), plus HI absorption.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Gaensler & Frail 2000, Nature, 406, 158. Pulsar observations, including proper motion.
ADS
- Kaspi et al. 2001, ApJ, 562, L163. X-ray detection of pulsar, and upper limit for remnant.
ADS
- Reich 2002, in NSPS, p1. Effelsberg 100-m at 10.6 GHz, including polarisation.
ADS
- Blazek et al. 2006, ApJ, 652, 1523. Proper motion study of pulsar.
ADS
- Zeiger et al. 2008, ApJ, 674, 271. Proper motion study of pulsar.
ADS
- Liszt et al. 2009, A&A, 508, 1331. CO and IR observations of region.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser detection.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
Last updated: 4 May 2017
G5.5+0.3
- Right Ascension: 17 57 04
- Declination: −24 00
- Size (/arcmin): 15×12
- Type: S
- Flux density at 1 GHz (/Jy): 5.5
- Spectral Index: 0.7
Notes: Has been called G5.55+0.32.
- Radio: Shell.
- Optical: Detected.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=14.3±0.3 Jy), plus other observations.
ADS
- Liszt et al. 2009, A&A, 508, 1331. CO and IR observations of region.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G5.9+3.1
- Right Ascension: 17 47 20
- Declination: −22 16
- Size (/arcmin): 20
- Type: S
- Flux density at 1 GHz (/Jy): 3.3?
- Spectral Index: 0.4?
- Radio: Asymmetric shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G6.1+0.5
- Right Ascension: 17 57 29
- Declination: −23 25
- Size (/arcmin): 18×12
- Type: S
- Flux density at 1 GHz (/Jy): 4.5
- Spectral Index: 0.9
Notes: Has been called G6.10+0.53.
- Radio: Partial shell.
- Optical: Detected.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=13.4±0.2 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G6.1+1.2
- Right Ascension: 17 54 55
- Declination: −23 05
- Size (/arcmin): 30×26
- Type: F
- Flux density at 1 GHz (/Jy): 4.0?
- Spectral Index: 0.3?
Notes: Has been called G6.1+1.15.
- Radio: Faint, diffuse emission.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Junkes et al. 1988, LNP, 316, 134. Effelsberg 100-m at 2.7 GHz (4.'3), including polarisation.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G6.4−0.1
W28
- Right Ascension: 18 00 30
- Declination: −23 26
- Size (/arcmin): 48
- Type: C
- Flux density at 1 GHz (/Jy): 310
- Spectral Index: varies
Notes: Has been called G6.6−0.2.
- Radio: Several non-thermal sources in a ring, with flat spectrum core.
- Optical: Diffuse emission.
- X-ray: Diffuse emission from most of the remnant.
- Point sources: Young pulsar near edge of remnant, but not thought to be related.
- Distance: HI observations suggest 1.9 kpc.
References:
- Kundu & Velusamy 1972, A&A, 20, 237. NRAO 140-ft at 10 GHz (3').
ADS
- van den Bergh et al. 1973, ApJS, 26, 19. Optical observations.
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Dopita et al. 1977, ApJ, 214, 179. Some optical line ratios.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Lozinskaya 1981, SvAL, 7, 17. Mean optical velocity.
ADS
- Andrews et al. 1983, ApJ, 266, 684. VLA at 1.4 GHz (8'') 4.9 GHz (3'') and 15 GHz (1'') of central region only, plus Einstein image of central region.
ADS
- Bohigas et al. 1983, RMxAA, 8, 155. Optical spectra.
ADS
- Andrews et al. 1985, AJ, 90, 310. VLA of central component.
ADS
- Long et al. 1991, ApJ, 373, 567. Einstein and optical observations.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'1×4.'4: S=660 Jy).
ADS
- Kaspi et al. 1993, ApJ, 409, L57. Pulsar association.
ADS
- Frail et al. 1993, Nature, 365, 136. VLA at 327 MHz (smoothed to 65''), plus pulsar association.
ADS
- Frail et al. 1994, ApJ, 424, L111. VLA of associated OH masers.
ADS
- Frail et al. 1996, AJ, 111, 1651. OH maser emission.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Claussen et al. 1997, ApJ, 489, 143. VLA of OH masers.
ADS
- Claussen et al. 1999, ApJ, 522, 349. High resolution observations of OH masers.
ADS
- Yusef-Zadeh et al. 2000, ApJ, 540, 842. VLA at 327 MHz (2.'6×5.'5) and 1.48 GHz (40''×65'').
ADS
- Dubner et al. 2000, AJ, 120, 1933. VLA at 328 MHz (52''×97'': S=425±40 Jy) and 1415 MHz (48''×88'': S=246±20 Jy), and comparison with other observations.
ADS
- Reach & Rho 2000, ApJ, 544, 843. ISO observations of interactions with surroundings.
ADS
also see: Reach & Rho 2001, ApJ, 558, 943. Erratum.
ADS
- Douvion et al. 2001, A&A, 373, 281. ISO observations.
ADS
- Roberts et al. 2001, ApJS, 133, 451. ASCA observations.
ADS
- Velázquez et al. 2002, AJ, 124, 2145. Parkes 64-m at 1.4 GHz (15') for HI.
ADS
- Rho & Borkowski 2002, ApJ, 575, 201. ROSAT and ASCA observations.
ADS
- Claussen et al. 2002, ApJ, 580, 909. Observations of nearby source.
ADS
- Yusef-Zadeh et al. 2003, ApJ, 583, 267. OH observations.
ADS
- Caswell 2004, MNRAS, 349, 99. ATCA at 1.7 GHz of associated OH masers.
ADS
- Mavromatakis et al. 2004, A&A, 426, 567. Optical observations.
ADS
- Reach et al. 2005, ApJ, 618, 297. Molecular lines and near IR observations.
ADS
- Hoffman et al. 2005, ApJ, 620, 257. OH maser observations.
ADS
- Kawasaki et al. 2005, ApJ, 631, 935. ASCA observations.
ADS
- Neufeld et al. 2007, ApJ, 664, 890. Spitzer observations.
ADS
- Aharonian et al. 2008, A&A, 481, 401. HESS observations.
ADS
- Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations.
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Giuliani et al. 2010, A&A, 516, L11. γ-ray observations.
ADS
- Marquez-Lopez & Phillips 2010, MNRAS, 407, 94. Mid-IR observations.
ADS
- Abdo et al. 2010, ApJ, 718, 348. Fermi observations.
ADS
- Yuan & Neufeld 2011, ApJ, 726, 76. Spitzer observations.
ADS
- Sawada et al. 2012, PASJ, 64, 81. Suzaku observations.
ADS
- Nichols et al. 2012, MNRAS, 419, 251. CO observations of selected regions.
ADS
- Gusdorf et al. 2012, A&A, 542, L19. CO observations of regions in NE.
ADS
- Vaupreé et al. 2014, A&A, 568, A50. CO, HCO+ and DCO+ molecular line observations.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA observations of methanol masers.
ADS
- Neufeld et al. 2014, ApJ, 781, 102. Herschel and Spitzer IR spectroscopy.
ADS
- Hanabata et al. 2014, ApJ, 786, 145. Fermi observations of region.
ADS
- Zhou et al. 2014, ApJ, 791, 87. XMM-Newton observations.
ADS
- Gusdorf et al. 2014, IAUS, 296, 178. CO observations.
ADS
- Nakamura et al. 2014, PASJ, 66, 62. XMM-Newton observations of NE.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Maxted et al. 2016, MNRAS, 462, 532. NH3 observations of region.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Pannuti et al. 2017, ApJ, 839, 59. Optical and X-ray observations.
ADS
- Abdalla et al. 2018, A&A, 612, A1. HESS observations.
ADS
- Okon et al. 2018, PASJ, 70, 35. Suzaku observations.
ADS
- Nobukawa et al. 2018, ApJ, 854, 87. Suzaku observations.
ADS
- Cui et al. 2018, ApJ, 860, 69. Fermi observations.
ADS
- Abdalla et al. 2018, A&A, 612, A1. HESS observations.
ADS
- Ruiz-Lapuente et al. 2018, ApJ, 862, 124. HST search for progenitor companion.
ADS
Last updated: 15 Apr 2019
G6.4+4.0
- Right Ascension: 17 45 10
- Declination: −21 22
- Size (/arcmin): 31
- Type: S
- Flux density at 1 GHz (/Jy): 1.3?
- Spectral Index: 0.4?
- Radio: Faint asymmetric shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G6.5−0.4
- Right Ascension: 18 02 11
- Declination: −23 34
- Size (/arcmin): 18
- Type: S
- Flux density at 1 GHz (/Jy): 27
- Spectral Index: 0.6
Notes: Has been called G6.51−0.48, and part has been called G6.67−0.42.
- Radio: Shell, overlapping G6.4−0.1.
- Optical: Detected.
References:
- Yusef-Zadeh et al. 2000, ApJ, 540, 842. VLA at 330 MHz (2.'6×5.'5) and 1.4 GHz (0.'7×1.'1).
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=60.8±0.4 Jy), plus other observations.
ADS
- Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Ajello et al. 2016, ApJ, 819, 44. Fermi observations.
ADS
Last updated: 4 Jun 2017
G7.0−0.1
- Right Ascension: 18 01 50
- Declination: −22 54
- Size (/arcmin): 15
- Type: S
- Flux density at 1 GHz (/Jy): 2.5?
- Spectral Index: 0.5?
Notes: Has been called G7.06−0.12.
- Radio: Double rim, brightest in W, confused by bright HII region M20 in SE.
References:
- Yusef-Zadeh et al. 2000, ApJ, 540, 842. VLA at 327 MHz (2.'6×5.'5) and 1.48 GHz (40''×65'').
ADS
- Dubner et al. 2000, AJ, 120, 1933. VLA at 328 MHz (52''×97'') and 1415 MHz (48''×88'').
ADS
Last updated: 10 Oct 2001
G7.2+0.2
- Right Ascension: 18 01 07
- Declination: −22 38
- Size (/arcmin): 12
- Type: S
- Flux density at 1 GHz (/Jy): 2.8
- Spectral Index: 0.6
Notes: Has been called G7.20+0.20.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=5.2±0.2 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G7.7−3.7
1814−24
- Right Ascension: 18 17 25
- Declination: −24 04
- Size (/arcmin): 22
- Type: S
- Flux density at 1 GHz (/Jy): 11
- Spectral Index: 0.32
Notes: Has been associated with the SN of AD386.
- Radio: Shell, with high polarisation.
- X-ray: Arc in S.
References:
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Milne et al. 1986, MNRAS, 223, 487. MOST at 843 MHz (44''×108'') and Parkes 64-m at 8.4 GHz (3': S=4.6±0.5 Jy), with polarisation, plus review of flux densities.
ADS
- Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (35''×70'': S=9.9±0.1 Jy), including polarisation.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Zhou et al. 2018, ApJ, 865, L6. XMM-Newton observations.
ADS
Last updated: 9 Apr 2019
G8.3−0.0
- Right Ascension: 18 04 34
- Declination: −21 49
- Size (/arcmin): 5×4
- Type: S
- Flux density at 1 GHz (/Jy): 1.2
- Spectral Index: 0.6
Notes: Has been called G8.31−0.09.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=2.3±0.1 Jy), plus other observations.
ADS
- Higashi et al. 2008, ApJ, 683, 957. γ-ray detection.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
Last updated: 13 May 2017
G8.7−5.0
- Right Ascension: 18 24 10
- Declination: −23 48
- Size (/arcmin): 26
- Type: S
- Flux density at 1 GHz (/Jy): 4.4
- Spectral Index: 0.3
- Radio: Asymmetric shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- de Wilt et al. 2017, MNRAS, 468, 2093. Molecular line observations of region.
ADS
Last updated: 3 Apr 2019
G8.7−0.1
(W30)
- Right Ascension: 18 05 30
- Declination: −21 26
- Size (/arcmin): 45
- Type: S?
- Flux density at 1 GHz (/Jy): 80
- Spectral Index: 0.5
Notes: Has been called G8.6−0.1.
- Radio: Clumpy non-thermal shell, with low-frequency turnover.
- X-ray: Northern edge detected.
- Point sources: Pulsar inside western edge.
References:
- Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7.'2×9.'7: S=190±50 Jy).
ADS
- Kassim & Weiler 1990, Nature, 343, 146. VLA at 327 MHz (3.'0×3.'7).
ADS
- Kassim & Weiler 1990, ApJ, 360, 184. VLA at 327 MHz (2.'8×4.'1: S=129±11 Jy), and part at 1.4 GHz (0.'9×1.'8), plus review of flux densities.
ADS
- Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz (37''×55'').
ADS
- Finley & Ögelman 1994, ApJ, 434, L25. ROSAT observations, including pulsar.
ADS
- Aharonian et al. 2005, Science, 307, 1938. HESS detection.
ADS
- Aharonian et al. 2006, ApJ, 636, 777. HESS observations.
ADS
- Landi et al. 2006, ApJ, 651, 190. X-ray observations.
ADS
- Briskin et al. 2006, ApJ, 652, 554. Pulsar proper motion.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser detection.
ADS
- Castro & Slane 2010, ApJ, 717, 372. Fermi observations.
ADS
- Ajello et al. 2012, ApJ, 744, 80. Fermi observations.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
Last updated: 13 May 2017
G8.9+0.4
- Right Ascension: 18 03 58
- Declination: −21 03
- Size (/arcmin): 24
- Type: S
- Flux density at 1 GHz (/Jy): 9
- Spectral Index: 0.6
Notes: Has been called G8.90+0.40.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=18.2±0.5 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G9.7−0.0
- Right Ascension: 18 07 22
- Declination: −20 35
- Size (/arcmin): 15×11
- Type: S
- Flux density at 1 GHz (/Jy): 3.7
- Spectral Index: 0.6
Notes: Has been called G9.7−0.1 and G9.70−0.06.
- Radio: Shell.
References:
- Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=6.5±0.2 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser detection.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Yeung et al. 2016, ApJ, 827, 41. Fermi observations.
ADS
Last updated: 13 May 2017
G9.8+0.6
- Right Ascension: 18 05 08
- Declination: −20 14
- Size (/arcmin): 12
- Type: S
- Flux density at 1 GHz (/Jy): 3.9
- Spectral Index: 0.5
- Radio: Asymmetric shell.
References:
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Caswell 1983, MNRAS, 204, 833. Molonglo at 408 MHz (3': S=5.8±0.6 Jy).
ADS
- Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (41''×63'': S=3.5±0.4 Jy).
ADS
- Frail et al. 1994, AJ, 107, 1120. VLA at 327 MHz.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
Last updated: 13 Aug 1998
G9.9−0.8
- Right Ascension: 18 10 41
- Declination: −20 43
- Size (/arcmin): 12
- Type: S
- Flux density at 1 GHz (/Jy): 6.7
- Spectral Index: 0.4
Notes: Has been called G9.95−0.81.
- Radio: Shell.
- Optical: Detected.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=11.0±0.3 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
Last updated: 13 May 2017
G10.5−0.0
- Right Ascension: 18 09 08
- Declination: −19 47
- Size (/arcmin): 6
- Type: S
- Flux density at 1 GHz (/Jy): 0.9
- Spectral Index: 0.6
Notes: Has been called G10.59−0.04.
- Radio: Partial shell.
- X-ray: Possibly detected.
References:
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=1.4±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 28 Apr 2017
G11.0−0.0
- Right Ascension: 18 10 04
- Declination: −19 25
- Size (/arcmin): 11×9
- Type: S
- Flux density at 1 GHz (/Jy): 1.3
- Spectral Index: 0.6
Notes: Has been called G11.0+0.0 and G11.03−0.05.
- Radio: Partial shell.
- X-ray: Diffuse emission.
- Distance: Optical absorption suggests 2.4 kpc.
References:
- Bamba et al. 2003, ApJ, 589, 253. ASCA observations.
ADS
- Brogan et al. 2004, AJ, 127, 355. VLA at 330 MHz (25''), 1.5 GHz (25''), and 74 MHz.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=3.1±0.2 Jy), plus other observations.
ADS
- Castelletti et al. 2016, A&A, 587, A71. VLA at 1.4 GHz (4.''4×8.''3) and CO observations of region.
ADS
- Araya et al. 2018, ApJ, 859, 69. Fermi observations.
ADS
- Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance.
ADS
Last updated: 9 Apr 2019
G11.1−1.0
- Right Ascension: 18 14 03
- Declination: −19 46
- Size (/arcmin): 18×12
- Type: S
- Flux density at 1 GHz (/Jy): 5.8
- Spectral Index: 0.5
Notes: Has been called G11.2−1.1 and G11.17−1.04.
- Radio: Shell.
- Optical: Detected.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=11.0±0.3 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=3.40±0.25 Jy) including polarisation and review of flux densities.
ADS
Last updated: 28 Apr 2014
G11.1−0.7
- Right Ascension: 18 12 46
- Declination: −19 38
- Size (/arcmin): 11×7
- Type: S
- Flux density at 1 GHz (/Jy): 1.0
- Spectral Index: 0.7
Notes: Has been called G11.15−0.71.
- Radio: Partial shell.
References:
- Brogan et al. 2004, AJ, 127, 355. VLA at 330 MHz (25''), 1.5 GHz (25''), and 74 MHz.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=2.3±0.1 Jy), plus other observations.
ADS
Last updated: 29 Mar 2006
G11.1+0.1
- Right Ascension: 18 09 47
- Declination: −19 12
- Size (/arcmin): 12×10
- Type: S
- Flux density at 1 GHz (/Jy): 2.3
- Spectral Index: 0.4
Notes: Has been called G11.18+0.11.
- Radio: Shell.
References:
- Brogan et al. 2004, AJ, 127, 355. VLA at 330 MHz (25''), 1.5 GHz (25''), and 74 MHz.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=3.5±0.2 Jy), plus other observations.
ADS
- Castelletti et al. 2016, A&A, 587, A71. VLA at 1.4 GHz (4.''4×8.''3) and CO observations of region.
ADS
Last updated: 13 May 2017
G11.2−0.3
- Right Ascension: 18 11 27
- Declination: −19 25
- Size (/arcmin): 4
- Type: C
- Flux density at 1 GHz (/Jy): 22
- Spectral Index: 0.5
Notes: Probably associated with the SN of AD386.
- Radio: Symmetrical clumpy shell, with flatter spectrum core.
- X-ray: Shell, with hard spectrum centrally brightened region around pulsar.
- Point sources: Central pulsar.
- Distance: HI absorption indicates 4.4 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Radhakrishnan et al. 1972, ApJS, 24, 49. HI absorption.
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Downes 1984, MNRAS, 210, 845. VLA at 1465 MHz (20''×25'') and Einstein observations, with review of flux densities.
ADS
- Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz, plus HI absorption, Einstein observations.
ADS
- Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (26.''5: S=4.04±0.24 Jy).
ADS
- Green et al. 1988, MNRAS, 231, 735. VLA at 1.4 and 5 GHz.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'2×4.'1: S=39 Jy).
ADS
- Reynolds et al. 1994, MNRAS, 271, L1. ROSAT image and spectra.
ADS
- Vasisht et al. 1996, ApJ, 456, L59. ASCA observations.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Torii et al. 1997, ApJ, 489, L145. ASCA detection of pulsar.
ADS
- Torii et al. 1999, ApJ, 523, L69. X-ray timing observations of pulsar.
ADS
- Kothes & Reich 2001, A&A, 372, 627. Effelsberg 100-m at 4.25, 10.45, 14.9 and 32 GHz (2.'5, 1.'1, 0.'86 and 0.'45: S=9.6±0.5, 6.3±0.4, 5.7±0.4 and 3.8±0.4).
ADS
- Kaspi et al. 2001, ApJ, 560, 371. Chandra observations.
ADS
- Tam et al. 2002, ApJ, 572, 202. VLA at 1.4/1.5 GHz (1.''8×2.''6: S=16.6±0.9 Jy) and 5 GHz (1.''5×2.''1: S=8.4±0.9 Jy) for spectral studies.
ADS
- Reich 2002, in NSPS, p1. Effelsberg 100-m at 14.7 GHz.
ADS
- Roberts et al. 2003, ApJ, 588, 992. Chandra observations.
ADS
- Tam & Roberts 2003, ApJ, 598, L27. Multi-epoch VLA observations at 1.4/1.5 GHz and 5 GHz, for expansion studies.
ADS
- Brogan et al. 2004, AJ, 127, 355. VLA at 330 MHz (25''), 1.5 GHz (25''), and 74 MHz.
ADS
- Bock & Gaensler 2005, ApJ, 626, 343. BIMA at 88.6 GHz (18'').
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Kaplan & Moon 2006, ApJ, 644, 1056. IR upper limit for pulsar.
ADS
- Koo et al. 2007, ApJ, 657, 308. IR observations.
ADS
- Dean et al. 2008, MNRAS, 384, L29. INTEGRAL observations of pulsar and nebula.
ADS
- Moon et al. 2009, ApJ, 703, L81. IR spectroscopy.
ADS
- Mizuno et al. 2010, AJ, 139, 1542. Spitzer observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=9.0±0.5 Jy) including polarisation and review of flux densities.
ADS
- Andersen et al. 2011, ApJ, 742, 7. Spitzer observations.
ADS
- Lee et al. 2013, ApJ, 770, 143. IR observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Borkowski et al. 2016, ApJ, 819, 160. Chandra observations.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
Last updated: 16 Jun 2017
G11.4−0.1
- Right Ascension: 18 10 47
- Declination: −19 05
- Size (/arcmin): 8
- Type: S?
- Flux density at 1 GHz (/Jy): 6
- Spectral Index: 0.5
- Radio: Incomplete shell, possibly with central core.
References:
- Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=9.4 Jy) contaminated by sidelobes of a nearby source, and Parkes 64-m at 5 GHz (4': S=2.8 Jy).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=2.0±0.4 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'2×4.'1: S=18 Jy).
ADS
- Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (44''×63'': S=5.1±0.6 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Brogan et al. 2004, AJ, 127, 355. VLA at 330 MHz (25''), 1.5 GHz (25''), and 74 MHz.
ADS
- Rangelov et al. 2014, ApJ, 796, 34. X-ray upper limit.
ADS
- Castelletti et al. 2016, A&A, 587, A71. VLA at 1.4 GHz (4.''4×8.''3) and CO observations of region.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
Last updated: 13 May 2017
G11.8−0.2
- Right Ascension: 18 12 25
- Declination: −18 44
- Size (/arcmin): 4
- Type: S
- Flux density at 1 GHz (/Jy): 0.7
- Spectral Index: 0.3
Notes: Has been called G11.89−0.21.
- Radio: Shell.
- X-ray: Possibly detected.
References:
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.9±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 28 Apr 2017
G12.0−0.1
- Right Ascension: 18 12 11
- Declination: −18 37
- Size (/arcmin): 7?
- Type: ?
- Flux density at 1 GHz (/Jy): 3.5
- Spectral Index: 0.7
- Radio: Incomplete shell, defined in E only.
- X-ray: Detected, including possible PWN.
References:
- Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=6.6 Jy) and Parkes 64-m at 5 GHz (4': S=1.1 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'2×4.'1).
ADS
- Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (41''×61'': S=0.7 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Yamauchi et al. 2014, PASJ, 66, 20. Suzaku observations of possible PWN.
ADS
Last updated: 4 May 2017
G12.2+0.3
- Right Ascension: 18 11 17
- Declination: −18 10
- Size (/arcmin): 6×5
- Type: S
- Flux density at 1 GHz (/Jy): 0.8
- Spectral Index: 0.7
Notes: Has been called G12.26+0.30.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=1.5±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
Last updated: 13 May 2017
G12.5+0.2
- Right Ascension: 18 12 14
- Declination: −17 55
- Size (/arcmin): 6×5
- Type: C?
- Flux density at 1 GHz (/Jy): 0.6
- Spectral Index: 0.4
Notes: Has been called G12.58+0.22.
- Radio: Diffuse, central brightened.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.8±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G12.7−0.0
- Right Ascension: 18 13 19
- Declination: −17 54
- Size (/arcmin): 6
- Type: S
- Flux density at 1 GHz (/Jy): 0.8
- Spectral Index: 0.8
Notes: Has been called G12.72−0.00.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=2.0±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G12.8−0.0
- Right Ascension: 18 13 37
- Declination: −17 49
- Size (/arcmin): 3
- Type: C?
- Flux density at 1 GHz (/Jy): 0.8
- Spectral Index: 0.5
Notes: Has been called G12.82−0.02 and G12.83−0.02.
- Radio: Shell.
- X-ray: Diffuse.
- Point sources: Central X-ray pulsar.
References:
- Brogan et al. 2005, ApJ, 629, L105. VLA at 330 MHz (19''×32''), plus other observations.
ADS
- Ubertini et al. 2005, ApJ, 629, L109. INTEGRAL and other observations.
ADS
- Aharonian et al. 2006, ApJ, 636, 777. HESS detection.
ADS
- Albert et al. 2006, ApJ, 637, L41. γ-ray observations.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=1.2±0.1 Jy), plus other observations.
ADS
- Landi et al. 2006, ApJ, 651, 190. X-ray observations.
ADS
- Funk et al. 2007, A&A, 470, 249. XMM-Newton observations, CO observations of surroundings.
ADS
- Helfand et al. 2007, ApJ, 665, 1297. Chandra observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Gotthelf & Halpern 2009, ApJ, 700, L158. Pulsar detection.
ADS
- Halpern et al. 2012, ApJ, 753, L14. Pulsar observations.
ADS
- Araya et al. 2018, ApJ, 859, 69. Fermi observations.
ADS
- Dzib et al. 2018, ApJ, 866, 100. VLA of central source.
ADS
Last updated: 9 Apr 2019
G13.3−1.3
- Right Ascension: 18 19 20
- Declination: −18 00
- Size (/arcmin): 70×40
- Type: S?
- Flux density at 1 GHz (/Jy): ?
- Spectral Index: ?
- Radio: Amorphous emission.
- Optical: Filaments in S.
- X-ray: Elongated emission.
- Distance: Absorption indicates 2–4 kpc.
References:
- Seward et al. 1995, ApJ, 449, 681. ROSAT detection, optical studies and observations of CO.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission.
ADS
Last updated: 1 Aug 2000
G13.5+0.2
- Right Ascension: 18 14 14
- Declination: −17 12
- Size (/arcmin): 5×4
- Type: S
- Flux density at 1 GHz (/Jy): 3.5?
- Spectral Index: 1.0?
Notes: Has been called G13.46+0.16.
- Radio: Elongated, incomplete shell.
References:
- Helfand et al. 1989, ApJ, 341, 151. VLA at 5 GHz (S=0.65±0.05 Jy) and 1.4 GHz (15'': S=2.67±0.5 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G14.1−0.1
- Right Ascension: 18 16 40
- Declination: −16 41
- Size (/arcmin): 6×5
- Type: S
- Flux density at 1 GHz (/Jy): 0.5
- Spectral Index: 0.6
Notes: Has been called G14.18−0.12.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.9±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G14.3+0.1
- Right Ascension: 18 15 58
- Declination: −16 27
- Size (/arcmin): 5×4
- Type: S
- Flux density at 1 GHz (/Jy): 0.6
- Spectral Index: 0.4
Notes: Has been called G14.30+0.14. Has been suggested this is not an SNR.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=1.2±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Pinheiro Gonçalves et al. 2011, AJ, 142, 47. IR observations.
ADS
Last updated: 20 May 2014
G15.1−1.6
- Right Ascension: 18 24 00
- Declination: −16 34
- Size (/arcmin): 30×24
- Type: S?
- Flux density at 1 GHz (/Jy): 5.5?
- Spectral Index: 0.0?
- Radio: Elongated, incomplete shell.
- Optical: Diffuse shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Boumis et al. 2008, A&A, 481, 705. Optical detection.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=4.8±0.3 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
G15.4+0.1
- Right Ascension: 18 18 02
- Declination: −15 27
- Size (/arcmin): 15×14
- Type: C?
- Flux density at 1 GHz (/Jy): 5.6
- Spectral Index: 0.62
Notes: Has been called G15.42+0.18.
- Radio: Shell.
- X-ray: Centrally brightened.
- Distance: HI observations suggest 4.8 kpc.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=10.9±0.3 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=2.1±0.2 Jy) including polarisation and review of flux densities.
ADS
- Castelletti et al. 2013, A&A, 557, L15. GMRT at 1.4 GHz (15'') plus SGPS HI and CO observations of region.
ADS
- Abramowski et al. 2014, A&A, 562, A40. HESS and XMM-Newton observations.
ADS
- Supan et al. 2015, A&A, 576, A81. GMRT at 624 MHz (10'').
ADS
- Abdalla et al. 2018, A&A, 612, A1. HESS observations.
ADS
Last updated: 15 Apr 2019
G15.9+0.2
- Right Ascension: 18 18 52
- Declination: −15 02
- Size (/arcmin): 7×5
- Type: S?
- Flux density at 1 GHz (/Jy): 5.0
- Spectral Index: 0.63
- Radio: Incomplete shell, with bright concentration to the E.
- X-ray: Shell, brighter to S and E.
- Point sources: Central X-ray source.
References:
- Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=7.7 Jy) and Parkes 64-m at 5 GHz (4': S=1.9 Jy).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=1.1±0.2 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1415 MHz (44''×58'').
ADS
- Dubner et al. 1996, AJ, 111, 1304. VLA at 330 MHz (61''×77'': S=11.2±1.0 Jy), 1.4 GHz (14''×23'': S=3.9±0.1 Jy) and 4.9 GHz (13''×16'').
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Reynolds et al. 2006, ApJ, 652, L45. Chandra observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=2.0±0.3 Jy) including polarisation and review of flux densities.
ADS
- Klochov et al. 2016, A&A, 592, L12. Chandra observations.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Maggi & Acero 2017, A&A, 597, A65. XMM-Newton observations.
ADS
- Sasaki et al. 2018, MNRAS, 479, 3033. Chandra and IR observations, plus Hα non-detection.
ADS
Last updated: 7 Jun 2019
G16.0−0.5
- Right Ascension: 18 21 56
- Declination: −15 14
- Size (/arcmin): 15×10
- Type: S
- Flux density at 1 GHz (/Jy): 2.7
- Spectral Index: 0.6
Notes: Has been called G16.05−0.57.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=4.9±0.2 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Beaumont et al. 2011, ApJ, 741, 14. CO of region.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G16.2−2.7
- Right Ascension: 18 29 40
- Declination: −16 08
- Size (/arcmin): 17
- Type: S
- Flux density at 1 GHz (/Jy): 2.5
- Spectral Index: 0.4
- Radio: Double rim.
References:
- Trushkin 1999, A&A, 352, L103. Review of radio observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=1.28±0.10 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
G16.4−0.5
- Right Ascension: 18 22 38
- Declination: −14 55
- Size (/arcmin): 13
- Type: S
- Flux density at 1 GHz (/Jy): 4.6
- Spectral Index: 0.3?
Notes: Has been called G16.41−0.55.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=10.0±0.3 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=3.0±0.3 Jy) including polarisation and review of flux densities.
ADS
Last updated: 25 Apr 2014
G16.7+0.1
- Right Ascension: 18 20 56
- Declination: −14 20
- Size (/arcmin): 4
- Type: C
- Flux density at 1 GHz (/Jy): 3.0
- Spectral Index: 0.6
Notes: Has been called G16.73+0.08.
- Radio: Asymmetric shell with flat-spectrum core.
- X-ray: Non-thermal core.
References:
- Helfand et al. 1989, ApJ, 341, 151. VLA at 5 GHz (5: S=0.95 Jy) and 1.4 GHz (15'': S=2.43 Jy) and Ooty at 327 MHz (S=5.13 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including masers.
ADS
- Reynoso & Mangum 2000, ApJ, 545, 874. CO observations of surroundings.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Helfand et al. 2003, ApJ, 592, 941. XMM-Newton observations.
ADS
- Bock & Gaensler 2005, ApJ, 626, 343. BIMA at 88.6 GHz (19''×25'').
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Bhatnagar et al. 2011, ApJ, 739, L20. VLA at 6 GHz.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=1.23±0.11 Jy) including polarisation and review of flux densities.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Chang et al. 2018, MNRAS, 474, 2607. Chandra observations.
ADS
Last updated: 9 Apr 2019
G17.0−0.0
- Right Ascension: 18 21 57
- Declination: −14 08
- Size (/arcmin): 5
- Type: S
- Flux density at 1 GHz (/Jy): 0.5
- Spectral Index: 0.5
Notes: Has been called G17.02−0.04.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.7±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
Last updated: 25 Apr 2014
G17.4−2.3
- Right Ascension: 18 30 55
- Declination: −14 52
- Size (/arcmin): 24?
- Type: S
- Flux density at 1 GHz (/Jy): 5
- Spectral Index: 0.5?
- Radio: Incomplete, poorly defined shell.
- Optical: Filaments to SE, and diffuse emission.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Boumis et al. 2002, A&A, 385, 1042. Optical observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=2.3±0.2 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
G17.4−0.1
- Right Ascension: 18 23 08
- Declination: −13 46
- Size (/arcmin): 6
- Type: S
- Flux density at 1 GHz (/Jy): 0.4
- Spectral Index: 0.7
Notes: Has been called G17.48−0.12.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=0.9±0.1 Jy), plus other observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
Last updated: 13 May 2017
G17.8−2.6
- Right Ascension: 18 32 50
- Declination: −14 39
- Size (/arcmin): 24
- Type: S
- Flux density at 1 GHz (/Jy): 5
- Spectral Index: 0.5
- Radio: Well defined shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=2.23±0.13 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
G18.1−0.1
- Right Ascension: 18 24 34
- Declination: −13 11
- Size (/arcmin): 8
- Type: S
- Flux density at 1 GHz (/Jy): 4.6
- Spectral Index: 0.5
Notes: Has been called G18.1−0.2 and G18.16−0.16.
- Radio: Shell.
- X-ray: Possibly detected.
- Distance: HI absorption suggests 6.4 kpc.
References:
- Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (8').
ADS
- Kassim et al. 1989, ApJ, 338, 152. VLA at 330 MHz (2.'8×3.'2) and 1.5 GHz (0.'9×1.'5).
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=7.6±0.1 Jy), plus other observations.
ADS
- Hewitt & Yusef-Zadeh 2009, ApJ, 694, L16. OH maser search.
ADS
- Paron et al. 2013, MNRAS, 433, 1619. CO, optical and other observations of region.
ADS
- Leahy et al. 2014, MNRAS, 438, 1813. VGPS HI observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Voison et al. 2016, MNRAS, 458, 2813. Molecular line observations of region.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G18.6−0.2
- Right Ascension: 18 25 55
- Declination: −12 50
- Size (/arcmin): 6
- Type: S
- Flux density at 1 GHz (/Jy): 1.4
- Spectral Index: 0.4
Notes: Has been called G18.62−0.28.
- Radio: Partial shell.
- Distance: HI absorption suggests 4.4 kpc.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=1.9±0.1 Jy), plus other observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Voison et al. 2016, MNRAS, 458, 2813. Molecular line observations of region.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G18.8+0.3
Kes 67
- Right Ascension: 18 23 58
- Declination: −12 23
- Size (/arcmin): 17×11
- Type: S
- Flux density at 1 GHz (/Jy): 33
- Spectral Index: 0.46
Notes: Has been called G18.9+0.3.
- Radio: Incomplete shell, in complex region near the HII region W39.
- Distance: Association with molecular cloud suggests 12 kpc, and HI absorption suggests 13.8 kpc.
References:
- Willis 1973, A&A, 26, 237. NRAO 300-ft at 2.7 GHz (5': S=17±7 Jy).
ADS
- Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=38 Jy).
ADS
- Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption.
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Milne et al. 1989, PASA, 8, 187. Parkes 64-m at 8.4 GHz (3.'0: S=12.9±1.0 Jy), including polarisation.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (2.'9×3.'5: S=55 Jy).
ADS
- Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (55''×75'': S=29.9±0.3 Jy).
ADS
- Dubner et al. 1999, AJ, 118, 930. Parkes 64-m at 1.6 GHz (15'') for HI, VLA at 1.6 GHz (12''×17'') for OH, plus CO observations.
ADS
- Dubner et al. 2004, A&A, 426, 201. CO observations of environment.
ADS
- Tian et al. 2007, A&A, 474, 541. VGPS at 1.4 GHz (1') including HI, plus CO observations of region.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=15.3±0.9 Jy) including polarisation and review of flux densities.
ADS
- Vasquez et al. 2012, A&A, 545, A89. CO observations of region.
ADS
- Paron et al. 2012, A&A, 547, A60. CO and other molecular observations of region.
ADS
- Paron et al. 2015, A&A, 580, A51. CO observations in S.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G18.9−1.1
- Right Ascension: 18 29 50
- Declination: −12 58
- Size (/arcmin): 33
- Type: C?
- Flux density at 1 GHz (/Jy): 37
- Spectral Index: 0.39
Notes: Has been called G18.95−1.1 and G18.94−1.04.
- Radio: Non-thermal, diffuse partially limb-brightened, with central ridge.
- Optical: Detected.
- X-ray: Partial shell.
- Point sources: Compact X-ray source, with diffuse nebula.
- Distance: Optical absorption suggests 1.8 kpc.
References:
- Fürst et al. 1985, Nature, 314, 720. Effelsberg 100-m at 4.75 GHz (2.'4: S=23.8 Jy), plus other flux densities.
ADS
- Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7.'2×8': S=82±15 Jy), plus review of flux densities.
ADS
- Barnes & Turtle 1988, IAUCo, 101, 347. Molonglo at 408 MHz (2.'9×3.'1: S=58±9 Jy) and Parkes 64-m at 5 GHz (4.'1×4.'4: S=23±6 Jy).
ADS
- Patnaik et al. 1988, Nature, 332, 136. Ooty at 327 MHz (0.'6×1.'6).
ADS
- Fürst et al. 1989, A&A, 209, 361. Effelsberg 100-m at 4.75 GHz (2.'45: S=23.8 Jy) and VLA at 1.5 and 4.9 GHz (14''×19''), and Effelsberg 100-m at 1.4 GHz (9') for HI.
ADS
- Aschenbach et al. 1991, A&A, 246, L32. ROSAT observations.
ADS
- Fürst et al. 1997, A&A, 319, 655. ROSAT observations, and Effelsberg 100-m at 10.6 GHz (1.'1).
ADS
- Reich 2002, in NSPS, p1. Effelsberg 100-m at 10.6 GHz, including polarisation.
ADS
- Harrus et al. 2004, ApJ, 603, 152. ROSAT and ASCA observations.
ADS
- Tüllmann et al. 2010, ApJ, 720, 848. Chandra detection of compact source.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=19.6±1.0 Jy) including polarisation and review of flux densities.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance.
ADS
Last updated: 9 Apr 2019
G19.1+0.2
- Right Ascension: 18 24 56
- Declination: −12 07
- Size (/arcmin): 27
- Type: S
- Flux density at 1 GHz (/Jy): 10
- Spectral Index: 0.5
Notes: Has been called G19.15+0.27.
- Radio: Partial shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=17.4±0.4 Jy), plus other observations.
ADS
Last updated: 29 Mar 2006
G20.0−0.2
- Right Ascension: 18 28 07
- Declination: −11 35
- Size (/arcmin): 10
- Type: F
- Flux density at 1 GHz (/Jy): 10
- Spectral Index: 0.1
- Radio: Faint, filled-centre, polarised.
- X-ray: Centrally brightened.
- Point sources: OH source 20.1−0.1 is nearby.
- Distance: HI absorption suggests 11.2 kpc.
References:
- Becker & Helfand 1985, ApJ, 297, L25. VLA at 1.4 and 5 GHz (12'').
ADS
- Odegard 1986, AJ, 92, 1372. TPT at 57.5 MHz (7.'2×8': S=8.5±2 Jy), plus review of flux densities.
ADS
- Junkes et al. 1988, LNP, 316, 134. Effelsberg 100-m at 2.7 GHz (4.'3), including polarisation.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=9.2±0.5 Jy) including polarisation and review of flux densities.
ADS
- Petriella et al. 2013, A&A, 554, A73. Chandra observations, plus CO and HI observations of region.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G21.0−0.4
- Right Ascension: 18 31 12
- Declination: −10 47
- Size (/arcmin): 9×7
- Type: S
- Flux density at 1 GHz (/Jy): 1.1
- Spectral Index: 0.6
Notes: Has been called G21.04−0.47.
- Radio: Shell.
References:
- Brogan et al. 2006, ApJ, 639, L25. VLA at 330 MHz (42'': S=2.3±0.2 Jy), plus other observations.
ADS
Last updated: 29 Mar 2006
G21.5−0.9
- Right Ascension: 18 33 33
- Declination: −10 35
- Size (/arcmin): 5
- Type: C
- Flux density at 1 GHz (/Jy): 7
- Spectral Index: varies
Notes: Early observations relate to the central core only.
- Radio: Filled-centre, with high frequency turnover.
- X-ray: Central core, with extended, faint halo.
- Point sources: Central pulsar.
- Distance: HI absorption suggests 4.4 kpc.
References:
- Wilson & Weiler 1976, A&A, 53, 89. WSRT at 5 GHz (6''×35'').
ADS
- Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (5''×20'') and 8 GHz (2''×7''), plus review of flux densities.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Becker & Szymkowiak 1981, ApJ, 248, L23. VLA at 5 GHz (8''), and Einstein observations.
ADS
- Davelaar et al. 1986, ApJ, 300, L59. EXOSAT X-ray spectrum, and VLA HI observations.
ADS
- Morsi & Reich 1987, A&AS, 69, 533. Effelsberg 100-m at 32 GHz (26.''5: S=5.64±0.29 Jy).
ADS
- Fürst et al. 1988, PASJ, 40, 347. NRO array at 22.3 GHz (4.''4×7.''3).
ADS
- Junkes et al. 1988, LNP, 316, 134. Effelsberg 100-m at 2.7 GHz (4.'3), including polarisation.
ADS
- Salter et al. 1989, A&A, 225, 167. Observations at 90.7 (29.''5: S=3.8±0.4 Jy) and 141.9 GHz (S=2.5±1.2 Jy).
ADS
- Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz (S=3.94±0.70 Jy), plus review of flux densities.
ADS
- Asaoka & Koyama 1990, PASJ, 42, 625. Ginga X-ray spectrum.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'3×3.'4: S=9 Jy).
ADS
- Wallace et al. 1994, A&A, 286, 565. HI of surroundings.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Slane et al. 2000, ApJ, 533, L29. Chandra observations identifying X-ray halo.
ADS
- Warwick et al. 2001, A&A, 365, L248. XMM-Newton observations of X-ray halo.
ADS
- Bock et al. 2001, ApJ, 561, L203. BIMA at 94 GHz (4.''6×8.''6).
ADS
- Safi-Harb et al. 2001, ApJ, 561, 308. Chandra and other X-ray observations.
ADS
- Reich 2002, in NSPS, p1. Effelsberg 100-m at 22 GHz (8'') and 32 GHz, including polarisation.
ADS
- La Palombara & Mereghetti 2002, A&A, 383, 916. XMM-Newton upper limit on pulsations.
ADS
- Bocchino et al. 2005, A&A, 442, 539. XMM-Newton and Chandra observations.
ADS
- Gupta et al. 2005, CSci, 89, 853. Pulsar discovery.
ADS
- Camilo et al. 2006, ApJ, 637, 456. Pulsar discovery.
ADS
- Bietenholz & Bartel 2008, MNRAS, 386, 1411. VLA at 4.75 GHz (0.''53×0.''82) for expansion studies.
ADS
- Tian & Leahy 2008, MNRAS, 391, L54. VGPS at 1.4 GHz (1') including HI.
ADS
- Matheson & Safi-Harb 2010, ApJ, 724, 572. Chandra observations.
ADS
- Bietenholz et al. 2011, MNRAS, 412, 1221. VLA at 1.4 GHz (14''×18'').
ADS
- Bhatnagar et al. 2011, ApJ, 739, L20. VLA at 6 GHz.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=6.5±0.4 Jy) including polarisation and review of flux densities.
ADS
- Zajczyk et al. 2012, A&A, 542, A12. IR observations, including polarisation.
ADS
- Nynka et al. 2014, ApJ, 789, 72. NuSTAR observations.
ADS
- Arnaud et al. 2016, A&A, 586, A134. Planck flux densities at 70, 100 and 143 GHz.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Aharonian et al. 2018, PASJ, 70, 38. Hitomi observations.
ADS
Last updated: 9 Apr 2019
G21.6−0.8
- Right Ascension: 18 33 40
- Declination: −10 25
- Size (/arcmin): 13
- Type: S
- Flux density at 1 GHz (/Jy): 1.4
- Spectral Index: 0.5?
Notes: Has been called G21.64−0.84.
- Radio: Faint, irregular shell.
References:
- Bietenholz et al. 2011, MNRAS, 412, 1221. VLA at 327 MHz (85'': S=2.8 Jy) and 1.4 GHz (14''×18'').
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G21.8−0.6
Kes 69
- Right Ascension: 18 32 45
- Declination: −10 08
- Size (/arcmin): 20
- Type: S
- Flux density at 1 GHz (/Jy): 65
- Spectral Index: 0.56
- Radio: Incomplete shell.
- X-ray: Detected.
- Distance: Association with CO indicates 5.2 kpc, and HI absorption suggests 5.6 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Wilson 1972, A&A, 19, 354. H2CO absorption.
ADS
- Kundu et al. 1974, AJ, 79, 132. NRAO 140-ft at 5 GHz (6') and 10 GHz (3').
ADS
- Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft et 2.7 GHz (5': S=42.3±4.6 Jy).
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Seward 1990, ApJS, 73, 781. Einstein observations.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'3×3.'5: S=132 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including masers.
ADS
- Yusef-Zadeh et al. 2003, ApJ, 585, 319. X-ray observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Wood et al. 2008, AJ, 135, 2358. VLA at 4.8 GHz, including polarisation.
ADS
- Tian & Leahy 2008, MNRAS, 391, L54. VGPS at 1.4 GHz (1') including HI.
ADS
- Zhou et al. 2009, ApJ, 691, 516. CO and HCO+ of region.
ADS
- Hewitt et al. 2009, ApJ, 694, 1266. Spitzer spectroscopy.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=24.0±1.3 Jy) including polarisation and review of flux densities.
ADS
- Andersen et al. 2011, ApJ, 742, 7. Spitzer observations.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Sezer et al. 2018, MNRAS, 481, 1416. Suzaku observations.
ADS
Last updated: 9 Apr 2019
G22.7−0.2
- Right Ascension: 18 33 15
- Declination: −09 13
- Size (/arcmin): 26
- Type: S?
- Flux density at 1 GHz (/Jy): 33
- Spectral Index: 0.6
- Radio: Non-thermal ring in complex region, overlapping G23.3−0.3.
- X-ray: Possible detection.
- Point sources: Variable radio source near centre, and γ-ray source near edge.
- Distance: Association with CO indicates 4.4 kpc, and HI absorption suggests 4.7 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'3×3.'4: S=82 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Becker et al. 2010, AJ, 140, 157. Variable radio source detection.
ADS
- Andersen et al. 2011, ApJ, 742, 7. Spitzer observations.
ADS
- Su et al. 2014, ApJ, 796, 122. CO observations.
ADS
- Su et al. 2015, ApJ, 811, 134. CO observations of region.
ADS
- Abramowski et al. 2015, MNRAS, 446, 1163. HESS observations.
ADS
- Mori et al. 2017, ApJ, 848, 80. NuSTAR, Chandra and XMM-Newton observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G23.3−0.3
W41
- Right Ascension: 18 34 45
- Declination: −08 48
- Size (/arcmin): 27
- Type: S
- Flux density at 1 GHz (/Jy): 70
- Spectral Index: 0.5
- Radio: Distorted ring, in complex region, overlapping G22.7−0.2.
- X-ray: Possible extended emission, with compact sources.
- Point sources: Pulsar association suggested.
- Distance: HI and CO observations suggest 4.2 or 4.8 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'3×3.'4: S=138 Jy).
ADS
- Gaensler & Johnston 1995, MNRAS, 275, L73. Possible pulsar association.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Aharonian et al. 2005, Science, 307, 1938. HESS detection.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer possible detection.
ADS
- Aharonian et al. 2006, ApJ, 636, 777. HESS observations.
ADS
- Albert et al. 2006, ApJ, 643, L53. γ-ray observations.
ADS
- Landi et al. 2006, ApJ, 651, 190. X-ray observations.
ADS
- Tian et al. 2007, ApJ, 657, L25. VGPS at 1.4 GHz (1') including HI, plus XMM-Newton observations.
ADS
- Leahy & Tian 2008, AJ, 135, 167. VGPS at 1.4 GHz (1') including HI, plus CO observations.
ADS
- Mukherjee et al. 2009, ApJ, 691, 1707. XMM-Newton and SWIFT observations.
ADS
- Frail et al. 2013, ApJ, 773, L19. OH observations.
ADS
- Castro et al. 2013, ApJ, 774, 36. Fermi observations.
ADS
- Abramowski et al. 2015, A&A, 574, A27. HESS observations.
ADS
- Su et al. 2015, ApJ, 811, 134. CO observations of region.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G24.7−0.6
- Right Ascension: 18 38 43
- Declination: −07 32
- Size (/arcmin): 15?
- Type: S?
- Flux density at 1 GHz (/Jy): 8
- Spectral Index: 0.5
- Radio: Incomplete shell, defined in SW.
- Distance: HI absorption and CO suggests 3.8 kpc.
References:
- Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=12.3 Jy) and Parkes 64-m at 5 GHz (4': S=3.6 Jy).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=2.2±0.5 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Dubner et al. 1993, AJ, 105, 2251. VLA at 1.47 GHz (44''×56'': S=1.9 Jy).
ADS
- Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Ranasinghe & Leahy 2018, MNRAS, 477, 2243. VGPS HI absorption, plus CO observations.
ADS
Last updated: 9 Apr 2019
G24.7+0.6
- Right Ascension: 18 34 10
- Declination: −07 05
- Size (/arcmin): 30×15
- Type: C?
- Flux density at 1 GHz (/Jy): 20?
- Spectral Index: 0.2?
- Radio: Filled-centre, with faint shell, and a compact HII region to the S.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Reich et al. 1984, A&A, 133, L4. Effelsberg 100-m at 2.7 GHz (4.'3: S=19±3 Jy) and 4.75 GHz (2.'4: S=17±4 Jy) and NRO 45-m at 10.2 GHz (2.'7: S=15±3 Jy).
ADS
- Becker & Helfand 1987, ApJ, 316, 660. VLA at 1.4 GHz (12''), and X-ray upper limit.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
Last updated: 13 May 2017
G25.1−2.3
- Right Ascension: 18 45 10
- Declination: −08 00
- Size (/arcmin): 80×30?
- Type: S
- Flux density at 1 GHz (/Jy): 8
- Spectral Index: 0.5?
- Radio: Incomplete shell, extent not well defined.
References:
- Gao et al. 2011, A&A, 532, A144. Urumqi 25-m at 5 GHz (9.'5: S=3.7±0.4 Jy), plus other observations.
ADS
Last updated: 30 Apr 2014
G27.4+0.0
4C−04.71
- Right Ascension: 18 41 19
- Declination: −04 56
- Size (/arcmin): 4
- Type: S
- Flux density at 1 GHz (/Jy): 6
- Spectral Index: 0.68
Notes: Early references refer to G27.3−0.1 (Kes 73), a supposed larger remnant.
- Radio: Incomplete shell.
- X-ray: Diffuse emission, with central low period pulsar.
- Point sources: Central AXP.
- Distance: HI absorption suggests 7.5 to 9.8 kpc or 5.8 kpc, and association with CO suggests 9 kpc.
References:
- Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5').
ADS
- Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=4.4 Jy).
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=2.0±0.5 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1415 MHz (45''×60'': S=3.5 Jy). Revise S408 MHz=10.4 Jy, and S5 GHz=1.9±0.2 Jy.
ADS
- Kriss et al. 1985, ApJ, 288, 703. Einstein observations, plus VLA at 1.4 and 5 GHz (12'').
ADS
- Sanbonmatsu & Helfand 1992, AJ, 104, 2189. VLA at 1.4 GHz for HI absorption.
ADS
- Helfand et al. 1994, ApJ, 434, 627. ROSAT observations, particularly of central source.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations, including nearby masers.
ADS
- Vasisht & Gotthelf 1997, ApJ, 486, L129. ASCA detection of pulsar.
ADS
- Gotthelf & Vasisht 1997, ApJ, 486, L133. ASCA observations.
ADS
- Gotthelf et al. 1999, ApJ, 522, L49. X-ray timing observations of pulsar.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Mereghetti et al. 2001, MNRAS, 321, 143. Search for optical/IR counterpart to pulsar.
ADS
- Kuiper et al. 2004, ApJ, 613, 1173. X-ray observations of pulsar.
ADS
- Tian & Leahy 2008, ApJ, 677, 292. VGPS at 1.4 GHz (1') including HI.
ADS
- Mizuno et al. 2010, AJ, 139, 1542. Spitzer observations.
ADS
- An et al. 2013, ApJ, 779, 163. NuSTAR and other observations.
ADS
- Kumar et al. 2014, ApJ, 781, 41. Chandra and XMM-Newton observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Yeung et al. 2017, ApJ, 837, 69. Fermi observations.
ADS
- Borkowski & Reynolds 2017, ApJ, 846, 13. Chandra expansion studies.
ADS
- Liu et al. 2017, ApJ, 851, 37. Fermi and CO observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G27.8+0.6
- Right Ascension: 18 39 50
- Declination: −04 24
- Size (/arcmin): 50×30
- Type: F
- Flux density at 1 GHz (/Jy): 30
- Spectral Index: varies
- Radio: Filled-centre, with spectral turnover.
- X-ray: Possible pulsar wind nebula.
References:
- Reich et al. 1984, A&A, 133, L4. Effelsberg 100-m at 2.7 GHz (4.'3: S=23±2 Jy), and 4.75 GHz (2.'4: S=18±2 Jy) and NRO 45-m at 10.2 GHz (smoothed to 4.'3: S=8.5±2 Jy).
ADS
- Frail et al. 1996, AJ, 111, 1651. OH emission near remnant.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations.
ADS
- Misanovic et al. 2010, ApJ, 725, 931. XMM-Newton pulsar/wind nebula search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=21.0±1.1 Jy) including polarisation and review of flux densities.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G28.6−0.1
- Right Ascension: 18 43 55
- Declination: −03 53
- Size (/arcmin): 13×9
- Type: S
- Flux density at 1 GHz (/Jy): 3?
- Spectral Index: ?
- Radio: Poorly defined regions of non-thermal emission.
- X-ray: Diffuse shell, with thermal and non-thermal emission.
- Point sources: Pulsar in NE.
- Distance: HI absorption and CO suggests 9.6 kpc.
References:
- Helfand et al. 1989, ApJ, 341, 151. VLA at 1.4 GHz (15'') and 5 GHz (15'').
ADS
- Bamba et al. 2001, PASJ, 53, L21. ASCA observations.
ADS
- Ueno et al. 2003, ApJ, 588, 338. Chandra observations.
ADS
- Ebisawa et al. 2005, ApJ, 635, 214. Chandra observations.
ADS
- Zyuzin et al. 2018, MNRAS, 476, 2177. Pulsar observations.
ADS
- Ranasinghe & Leahy 2018, MNRAS, 477, 2243. VGPS HI absorption, plus CO observations.
ADS
Last updated: 9 Apr 2019
G28.8+1.5
- Right Ascension: 18 39 00
- Declination: −02 55
- Size (/arcmin): 100?
- Type: S?
- Flux density at 1 GHz (/Jy): ?
- Spectral Index: 0.4?
- Radio: Part of rim detected.
- X-ray: Diffuse, Centrally brightened.
References:
- Schwentker 1994, A&A, 286, L47. ROSAT observations.
ADS
- Song et al. 2000, PASJ, 52, 181. ASCA observations.
ADS
- Casandjian & Grenier 2008, A&A, 489, 849. γ-ray observations.
ADS
- Misanovic et al. 2010, ApJ, 725, 931. XMM-Newton pulsar/wind nebula search.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G29.6+0.1
- Right Ascension: 18 44 52
- Declination: −02 57
- Size (/arcmin): 5
- Type: S
- Flux density at 1 GHz (/Jy): 1.5?
- Spectral Index: 0.5?
- Radio: Diffuse shell.
- Point sources: AXP associated.
References:
- Gaensler et al. 1999, ApJ, 526, L37. VLA at 5 GHz (13'') and 8 GHz (8'')
ADS
- Vasisht et al. 2000, ApJ, 542, L49. X-ray observations of AXP.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
Last updated: 13 May 2017
G29.7−0.3
Kes 75
- Right Ascension: 18 46 25
- Declination: −02 59
- Size (/arcmin): 3
- Type: C
- Flux density at 1 GHz (/Jy): 10
- Spectral Index: 0.63
Notes: Has erroneously been called G29.6+0.1.
- Radio: Shell with flatter spectrum emission from centre.
- X-ray: Thermal shell and non-thermal core, and central pulsar.
- Point sources: X-ray pulsar.
- Distance: Association with CO implies 11 kpc, and HI absorption suggests 5.6 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
ADS
- Milne & Dickel 1974, AuJPh, 27, 549. Parkes 64-m at 2.7 GHz (8.'4: S=5±20% Jy).
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (7''×20'') and 8 GHz (8''×25''), plus review of flux densities.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Becker et al. 1983, ApJ, 268, L93. VLA at 1.4 GHz (3''), plus Einstein observations.
ADS
- Becker & Helfand 1984, ApJ, 283, 154. VLA at 5 GHz (2.''6), plus HI.
ADS
- Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (26.''5: S=1.02±0.07 Jy).
ADS
- Salter et al. 1989, ApJ, 338, 171. NRAO 12-m at 84.2 GHz of core, plus review of flux densities.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'4×3.'7: S=27.4 Jy).
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Blanton & Helfand 1996, ApJ, 470, 961. ASCA observations.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Gotthelf et al. 2000, ApJ, 542, L37. X-ray pulsar detection.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Mereghetti et al. 2002, ApJ, 574, 873. BeppoSAX observations of pulsar.
ADS
- Helfand et al. 2003, ApJ, 582, 783. Chandra observations.
ADS
- Bock & Gaensler 2005, ApJ, 626, 343. BIMA at 88.6 GHz (10''×13'').
ADS
- Morton et al. 2007, ApJ, 667, 219. Spitzer and Chandra observations.
ADS
- McBride et al. 2008, A&A, 477, 249. INTEGRAL and Chandra observations.
ADS
- Leahy & Tian 2008, A&A, 480, L25. VGPS at 1.4 GHz (1') including HI.
ADS
- Kumar & Safi-Harb 2008, ApJ, 678, L43. Chandra observations.
ADS
- Ng et al. 2008, ApJ, 686, 508. Chandra observations.
ADS
- Gavriil et al. 2008, Science, 319, 1802. X-ray observations of pulsar.
ADS
- Su et al. 2009, ApJ, 694, 376. CO observations of region, plus Chandra observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=3.6±0.6 Jy) including polarisation and review of flux densities.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Reynolds et al. 2018, ApJ, 856, 133. Chandra observations for expansion and brightness change studies.
ADS
Last updated: 9 Apr 2019
G30.7−2.0
- Right Ascension: 18 54 25
- Declination: −02 54
- Size (/arcmin): 16
- Type: ?
- Flux density at 1 GHz (/Jy): 0.5?
- Spectral Index: 0.7?
- Radio: Poorly defined.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
Last updated: 13 Aug 1998
G30.7+1.0
- Right Ascension: 18 44 00
- Declination: −01 32
- Size (/arcmin): 24×18
- Type: S?
- Flux density at 1 GHz (/Jy): 6
- Spectral Index: 0.4
- Radio: Non-thermal, highly polarised part shell?
- Point sources: Compact source near centre.
References:
- Reich et al. 1986, A&A, 155, 185. Effelsberg 100-m at 4.75 GHz (2.'4: S=3.4±0.4 Jy), plus other flux densities.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'6×3.'9: S=8.6 Jy).
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=2.93±0.19 Jy) including polarisation and review of flux densities.
ADS
Last updated: 28 Apr 2014
G31.5−0.6
- Right Ascension: 18 51 10
- Declination: −01 31
- Size (/arcmin): 18?
- Type: S?
- Flux density at 1 GHz (/Jy): 2?
- Spectral Index: ?
Notes: Has been called G31.55−0.65.
- Radio: Distorted shell? near HII region.
- Optical: Diffuse, incomplete shell.
References:
- Fürst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2.'4), plus other flux densities.
ADS
- Mavromatakis et al. 2001, A&A, 370, 265. Optical observations.
ADS
Last updated: 17 Oct 2001
G31.9+0.0
3C391
- Right Ascension: 18 49 25
- Declination: −00 55
- Size (/arcmin): 7×5
- Type: S
- Flux density at 1 GHz (/Jy): 25
- Spectral Index: varies
- Radio: Shell, brightest in NW, with low frequency turnover.
- X-ray: Diffuse with central core.
- Distance: HI absorption and CO association suggests 7.1 kpc.
References:
- Radhakrishnan et al. 1972, ApJS, 24, 49. HI absorption.
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15 GHz (58'': S>1.6).
ADS
- Becker & Kundu 1976, ApJ, 204, 427. NRAO interferometer at 2.7 GHz (20''×23'') and 8 GHz (9''×24''), plus review of flux densities.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Goss et al. 1979, A&A, 78, 75. FIRST at 1.4 GHz (54''×66'': S=20±2 Jy) and Effelsberg 100-m at 10.7 GHz (77'': S=7.5±0.8 Jy).
ADS
- Wang & Seward 1984, ApJ, 279, 705. Einstein observations.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'4×3.'7: S=44.8 Jy).
ADS
- Reynolds & Moffett 1993, AJ, 105, 2226. VLA at 1.4 GHz (6''), including possible associated CO.
ADS
- Moffett & Reynolds 1994, ApJ, 425, 668. VLA at 330 MHz (smoothed to 30'': S=38.5±0.5 Jy) 1.46 GHz (6.''7) and 4.85 GHz (6.''2×6.''4), including spectral index and polarisation studies.
ADS
- Frail et al. 1996, AJ, 111, 1651. OH emission near remnant, including masers.
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Reach & Rho 1996, A&A, 315, L277. ISO spectroscopy.
ADS
- Rho & Petre 1996, ApJ, 467, 698. ROSAT observations.
ADS
- Wilner et al. 1998, AJ, 115, 247. CO observations of surroundings.
ADS
- Reach & Rho 1998, ApJ, 507, L93. ISO observations.
ADS
- Reach & Rho 1999, ApJ, 511, 836. CO, HCO+ and CS observations of surroundings.
ADS
- Reach & Rho 2000, ApJ, 544, 843. ISO observations of interactions with surroundings.
ADS
also see: Reach & Rho 2001, ApJ, 558, 943. Erratum.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Chen & Slane 2001, ApJ, 563, 202. ASCA observations.
ADS
- Reach et al. 2002, ApJ, 564, 302. Observations of shocked molecular species.
ADS
- Chen et al. 2004, ApJ, 616, 885. Chandra observations.
ADS
- Brogan et al. 2005, AJ, 130, 148. VLA at 74 MHz, 330 MHz and 1.5 GHz (70'').
ADS
- Kawasaki et al. 2005, ApJ, 631, 935. ASCA observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Neufeld et al. 2007, ApJ, 664, 890. Spitzer observations.
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Castro & Slane 2010, ApJ, 717, 372. Fermi observations.
ADS
- Yuan & Neufeld 2011, ApJ, 726, 76. Spitzer observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=8.9±0.6 Jy) including polarisation and review of flux densities.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Neufeld et al. 2014, ApJ, 781, 102. Spitzer and Herschel IR spectroscopy.
ADS
- Ergin et al. 2014, ApJ, 790, 65. Fermi and Suzaku observations.
ADS
- Gusdorf et al. 2014, IAUS, 296, 178. CO observations.
ADS
- Su et al. 2014, IAUS, 296, 372. VGPS for HI absorption.
ADS
- Lee et al. 2014, MNRAS, 443, 2650. [FeII] IR survey observations.
ADS
- Sato et al. 2014, PASJ, 66, 124. Suzaku observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Ranasinghe & Leahy 2017, ApJ, 843, 119. HI and CO observations.
ADS
Last updated: 4 Apr 2019
G32.0−4.9
3C396.1
- Right Ascension: 19 06 00
- Declination: −03 00
- Size (/arcmin): 60?
- Type: S?
- Flux density at 1 GHz (/Jy): 22?
- Spectral Index: 0.5?
- Radio: Possible large shell?
References:
- Milne & Hill 1969, AuJPh, 22, 211. Parkes 64-m at 635 MHz (31': S=25±30% Jy), 1410 MHz (15': S=19±15% Jy) and 2650 MHz (8.'4: S=8.6±30% Jy). Fluxes if size is 60', plus review of flux densities.
ADS
- Caswell 1970, AuJPh, 23, 105. Revision of low frequency flux densities.
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 111 MHz (S=105±30 Jy).
ADS
Last updated: 25 Feb 1988
G32.1−0.9
- Right Ascension: 18 53 10
- Declination: −01 08
- Size (/arcmin): 40?
- Type: C?
- Flux density at 1 GHz (/Jy): ?
- Spectral Index: ?
- Radio: Possible faint shell, not well defined.
- X-ray: Diffuse, with clumps.
References:
- Folgheraiter et al. 1997, MNRAS, 292, 365. ROSAT and ASCA observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G32.4+0.1
- Right Ascension: 18 50 05
- Declination: −00 25
- Size (/arcmin): 6
- Type: S
- Flux density at 1 GHz (/Jy): 0.25?
- Spectral Index: ?
Notes: Has been called G32.45+0.1.
- Radio: Shell.
- X-ray: Shell.
- Distance: X-ray absorption suggests 17 kpc.
References:
- Yamaguchi et al. 2004, PASJ, 56, 1059. XMM-Newton and other observations.
ADS
- Ueno et al. 2005, in XRRC, E4.18. XMM-Newton observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
Last updated: 13 May 2017
G32.8−0.1
Kes 78
- Right Ascension: 18 51 25
- Declination: −00 08
- Size (/arcmin): 22×15
- Type: S?
- Flux density at 1 GHz (/Jy): 11?
- Spectral Index: 0.2?
Notes: Part has been called G33.1−0.1.
- Radio: Incomplete, elongated shell.
- Optical: Detected.
- X-ray: Patchy, elongated shell.
- Distance: Association with CO and HI absorption indicate 4.8 kpc.
References:
- Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft et 2.7 GHz (5': S=7.2±0.5 Jy).
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo at 430 MHz (S=19.0±15.5 Jy).
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3').
ADS
- Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3': S=12.8 Jy) and Parkes 64-m at 5 GHz (4': S=7.7 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'6×3.'8: S=31.3 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Koralesky et al. 1998, AJ, 116, 1323. VLA detection of compact OH emission.
ADS
- Stupar & Parker 2011, MNRAS, 414, 2282. Hα observations.
ADS
- Zhou & Chen 2011, ApJ, 743, 4. XMM-Newton observations, plus CO of region.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Bamba et al. 2016, ApJ, 818, 63. Suzaku observations.
ADS
- Miceli et al. 2017, A&A, 599, A45. XMM-Newton observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G33.2−0.6
- Right Ascension: 18 53 50
- Declination: −00 02
- Size (/arcmin): 18
- Type: S
- Flux density at 1 GHz (/Jy): 3.5
- Spectral Index: varies
- Radio: Incomplete shell.
- Optical: Filaments and diffuse emission.
References:
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Reich 1982, A&A, 106, 314. Effelsberg 100-m at 2.7 GHz (4.'4: S=2.6±0.3 Jy) and 4.75 GHz (2.'5: S=1.75±0.2 Jy).
ADS
- Dubner et al. 1996, AJ, 111, 1304. VLA at 1.4 GHz (52''×68'': S=2.7±0.3 Jy).
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Boumis et al. 2009, A&A, 499, 789. Optical observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 11 May 2017
G33.6+0.1
Kes 79, 4C00.70, HC13
- Right Ascension: 18 52 48
- Declination: +00 41
- Size (/arcmin): 10
- Type: S
- Flux density at 1 GHz (/Jy): 20
- Spectral Index: 0.51
Notes: Has been called G33.7+0.0.
- Radio: Shell, with bright central region, in complex region.
- X-ray: Multiple shells and filaments.
- Point sources: Central X-ray pulsar.
- Distance: HI absorption suggests 7.8 kpc or 3.5 kpc, and CO observations suggest 5.5 kpc.
References:
- Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3': S=35.5 Jy) and Parkes 64-m at 5 GHz (4': S=7.8 Jy).
ADS
- Caswell et al. 1975, A&A, 45, 239. HI absorption.
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S430 MHz=69±33 Jy.
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3': S=6.8±1.5 Jy).
ADS
- Angerhofer et al. 1977, A&A, 55, 11. NRAO 140-ft at 5 GHz (6.'8: S=11.4±1.1 Jy).
ADS
- Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (1'), plus observations of the nearby point source.
ADS
- van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption to nearby point source, possibly extragalactic.
ADS
- Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source, plus Einstein observations.
ADS
- Green 1989, MNRAS, 238, 737. OH absorption.
ADS
- Frail & Clifton 1989, ApJ, 336, 854. VLA at 1.4 GHz (1'×2.'9), including HI absorption.
ADS
- Velusamy et al. 1991, AJ, 102, 676. VLA at 327 MHz (1'), 1.5 (7''×14'') and 5 GHz (7''), including spectral comparison.
ADS
- Green & Dewdney 1992, MNRAS, 254, 686. Observations of adjacent molecular material.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'6×3.'8: S=34.8 Jy).
ADS
- Seward & Velusamy 1995, ApJ, 439, 715. ROSAT observations.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Tsunemi & Enoguchi 2002, PASJ, 54, 735. ASCA observations.
ADS
- Seward et al. 2003, ApJ, 584, 414. Chandra observations.
ADS
- Stanimirović 2003, ApJ, 592, 953. Arecibo OH absorption.
ADS
- Sun et al. 2004, ApJ, 605, 742. Chandra observations.
ADS
- Gotthelf et al. 2005, ApJ, 627, 390. XMM-Newton pulsar detection.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer possible detection.
ADS
- Halpern et al. 2007, ApJ, 665, 1304. X-ray pulsar timing observations.
ADS
- Giacani et al. 2009, A&A, 507, 841. VLA at 74 MHz (36''×39'': S=76±10 Jy), 324 MHz (13'': S=39±8 Jy) and 1.5 GHz (17''×19'': S=11.5±1.5 Jy), plus review of flux densities and XMM-Newton observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=9.4±0.5 Jy) including polarisation and review of flux densities.
ADS
- Auchettl et al. 2014, ApJ, 783, 32. Fermi detection.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Zhou et al. 2016, ApJ, 831, 192. CO and other observations.
ADS
- Sato et al. 2016, PASJ, 68, S8. Suzaku observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Kuriki et al. 2018, ApJ, 864, 161. CO observations.
ADS
Last updated: 9 Apr 2019
G34.7−0.4
W44, 3C392
- Right Ascension: 18 56 00
- Declination: +01 22
- Size (/arcmin): 35×27
- Type: C
- Flux density at 1 GHz (/Jy): 240
- Spectral Index: 0.37
Notes: Has been called G34.6−0.5.
- Radio: Distorted shell, brighter to the E, with pulsar and associated nebula.
- Optical: Diffuse emission.
- X-ray: Centrally concentrated, thermal spectrum, plus pulsar wind nebula.
- Point sources: Pulsar within the boundary of the remnant.
- Distance: HI absorption suggests 3.0 kpc, and optical absorption suggests 2.1 kpc.
References:
- Caswell et al. 1975, A&A, 45, 239. HI absorption.
ADS
- Clark et al. 1975, AuJPA, 37, 75. Molonglo at 408 MHz (3': S=299 Jy).
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S430 MHz=540±187 Jy.
ADS
- Dickel & Milne 1976, AuJPh, 29, 435. Comparison of earlier Parkes 64-m maps at 2.7 GHz (8.'4) and 5 GHz (4.'4).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Smith et al. 1985, MNRAS, 217, 99. Einstein observations.
ADS
- Wolszczan et al. 1991, ApJ, 372, L99. Pulsar detection.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'6×3.'8: S=469 Jy).
ADS
- Jones et al. 1993, MNRAS, 265, 631. VLA at 1.4 GHz (15''), plus X-ray spectra.
ADS
- Rho et al. 1994, ApJ, 430, 757. Optical and ROSAT observations.
ADS
- Koo & Heiles 1995, ApJ, 442, 679. HI of surrounding shell.
ADS
- Esposito et al. 1996, ApJ, 461, 820. Possible associated γ-ray emission.
ADS
- Harrus et al. 1996, ApJ, 464, L161. ASCA observations.
ADS
- Frail et al. 1996, ApJ, 464, L165. VLA at 1.5 and 8.4 GHz (7.''8×8.''9) of pulsar nebula.
ADS
- Frail et al. 1996, AJ, 111, 1651. OH maser emission.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Reach & Rho 1996, A&A, 315, L277. ISO spectroscopy.
ADS
- Harrus et al. 1997, ApJ, 488, 781. X-ray observations.
ADS
- Claussen et al. 1997, ApJ, 489, 143. VLA of associated OH masers.
ADS
- Giacani et al. 1997, AJ, 113, 1379. VLA at 1.4 GHz (15''), plus optical images.
ADS
- Seta et al. 1998, ApJ, 505, 286. CO observations of surroundings.
ADS
- Cox et al. 1999, ApJ, 524, 179. Revision of distance.
ADS
- Reach & Rho 2000, ApJ, 544, 843. ISO observations of interactions with surroundings.
ADS
also see: Reach & Rho 2001, ApJ, 558, 943. Erratum.
ADS
- Roberts et al. 2001, ApJS, 133, 451. ASCA observations.
ADS
- Petre et al. 2002, ApJ, 579, 404. Chandra observations of pulsar and wind nebula.
ADS
- Mavromatakis et al. 2003, A&A, 405, 591. Optical observations.
ADS
- Shelton et al. 2004, ApJ, 611, 906. Chandra observations of part.
ADS
- Reach et al. 2005, ApJ, 618, 297. Molecular line and near-IR observations.
ADS
- Hoffman et al. 2005, ApJ, 627, 803. Observations of OH masers.
ADS
- Kawasaki et al. 2005, ApJ, 631, 935. ASCA observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Neufeld et al. 2007, ApJ, 664, 890. Spitzer observations.
ADS
- Castelletti et al. 2007, A&A, 471, 537. VLA at 74 MHz (36''×39'': S=634±70 Jy) and 324 MHz (13'': S=411±50 Jy).
ADS
- Hewitt et al. 2008, ApJ, 683, 189. GBT at 1.6 and 1.7 GHz for OH masers.
ADS
- Abdo et al. 2010, Science, 327, 1103. Fermi observations.
ADS
- Yuan & Neufeld 2011, ApJ, 726, 76. Spitzer observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=118±6 Jy) including polarisation and review of flux densities.
ADS
- Giuliani et al. 2011, ApJ, 742, L30. γ-ray observations.
ADS
- Uchiyama et al. 2012, ApJ, 749, L35. Fermi observations.
ADS
- Uchida et al. 2012, PASJ, 64, 141. Suzaku observations.
ADS
- Ackermann et al. 2013, Science, 339, 807. Fermi observations.
ADS
- Yoshiike et al. 2013, ApJ, 768, 179. CO and HI observations of region.
ADS
- Sashida et al. 2013, ApJ, 774, 10. HCO+ and CO observations of region.
ADS
- Park et al. 2013, ApJ, 777, 14. Arecibo HI observations of region.
ADS
- Pihlström et al. 2014, AJ, 147, 73. VLA search for methanol masers.
ADS
- Anderl et al. 2014, A&A, 569, A81. CO observations of regions in NE.
ADS
- Su et al. 2014, IAUS, 296, 372. VGPS for HI absorption.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Arnaud et al. 2016, A&A, 586, A134. Planck flux densities at 30, 44 and 70 GHz.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- McEwen et al. 2016, ApJ, 826, 189. NH3 and CH3OH observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Génova-Santos et al. 2017, MNRAS, 464, 4107. Radio observations at 10 to 20 GHz.
ADS
- Egron et al. 2017, MNRAS, 470, 1329. SRT at 1.5 GHz (11': S=214±6 Jy) and 7 GHz (2.'7: S=94±4 Jy).
ADS
- Yamada et al. 2017, ApJ, 834, L3. CO and HCO+ observations.
ADS
- Shan et al. 2018, ApJS, 238, 35. Optical absorption for distance.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G35.6−0.4
- Right Ascension: 18 57 55
- Declination: +02 13
- Size (/arcmin): 15×11
- Type: S?
- Flux density at 1 GHz (/Jy): 9
- Spectral Index: 0.5
Notes: Re-identified as SNR in 2009.
- Radio: Diffuse, with some limb brightening.
- Distance: HI absorption suggests 3.8 kpc.
References:
- Green 2009, MNRAS, 399, 177. Identification in the radio as a SNR.
ADS
- Paron & Giacani 2010, A&A, 509, L4. CO and IR observations of region.
ADS
- Zhu et al. 2013, ApJ, 775, 95. HI and other observations.
ADS
- Paredes et al. 2014, A&A, 561, A56. GMRT at 610 MHz (4.''8×12.''2).
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G36.6−0.7
- Right Ascension: 19 00 35
- Declination: +02 56
- Size (/arcmin): 25?
- Type: S?
- Flux density at 1 GHz (/Jy): 1.0
- Spectral Index: 0.7?
- Radio: polarised arc, possibly part of a larger shell?
References:
- Fürst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2.'4), plus other flux densities.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'4×3.'7: S=6.7 Jy).
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer possible detection.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=0.39±0.04 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
G36.6+2.6
- Right Ascension: 18 48 49
- Declination: +04 26
- Size (/arcmin): 17×13?
- Type: S
- Flux density at 1 GHz (/Jy): 0.7?
- Spectral Index: 0.5?
- Radio: Poorly resolved shell.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
Last updated: 19 May 1992
G38.7−1.3
- Right Ascension: 19 06 40
- Declination: +04 28
- Size (/arcmin): 32×19?
- Type: S
- Flux density at 1 GHz (/Jy): ?
- Spectral Index: ?
Notes: G38.7−1.4 refers to the E portion.
- Radio: Incomplete shell.
- Optical: Arc of filaments, brighter to E.
- X-ray: Detected in E.
References:
- Schaudel et al. 2002, ASPC, 271, 391. ROSAT of E, and radio survey observations.
ADS
- Sabin et al. 2013, MNRAS, 431, 279. Hα and radio survey observations.
ADS
- Huang et al. 2014, ApJ, 785, 118. XMM-Newton and Chandra observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
Last updated: 5 Jun 2019
G39.2−0.3
3C396, HC24, NRAO 593
- Right Ascension: 19 04 08
- Declination: +05 28
- Size (/arcmin): 8×6
- Type: C
- Flux density at 1 GHz (/Jy): 18
- Spectral Index: 0.34
- Radio: Shell, brighter to W, with faint `tail' to E.
- X-ray: Diffuse, brighter to W, with central core.
- Point sources: Central X-ray source.
- Distance: HI absorption suggests 8.5 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3').
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S430 MHz=54±38 Jy.
ADS
- Becker & Kundu 1975, AJ, 80, 679. NRAO 140-ft at 10.6 GHz (3': S=4.1±1.0 Jy).
ADS
- Caswell et al. 1975, A&A, 45, 239. HI absorption.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1.4 GHz (48''×65'').
ADS
- Becker & Helfand 1987, AJ, 94, 1629. VLA at 1.4 GHz (12'': S=14 Jy) and 5 GHz, plus Einstein observations.
ADS
- Patnaik et al. 1990, A&A, 232, 467. VLA at 1.5 GHz (25'') and 1.4 GHz (7.''5×7.''8) and 5 GHz (25'') including polarisation, plus Ooty at 327 MHz (31''×100''), including review of flux densities.
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'5×3.'6: S=42.5 Jy).
ADS
- Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz for spectral index studies.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Koralesky et al. 1998, AJ, 116, 1323. VLA search for OH emission.
ADS
- Harrus & Slane 1999, ApJ, 516, 811. ASCA observations.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Olbert et al. 2003, ApJ, 592, L45. Chandra observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Scaife et al. 2007, MNRAS, 377, L69. 33 GHz observations.
ADS
- Lee et al. 2009, ApJ, 691, 1042. IR observations.
ADS
- Hewitt et al. 2009, ApJ, 694, 1266. Spitzer spectroscopy.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=8.8±0.5 Jy) including polarisation and review of flux densities.
ADS
- Su et al. 2011, ApJ, 727, 43. Chandra and CO observations of region.
ADS
- Andersen et al. 2011, ApJ, 742, 7. Spitzer observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Cruciani et al. 2016, MNRAS, 459, 4224. Parkes 64 m at 8.4, 13.5, 18.6 and 21.5 GHz, plus review of flux densities.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G39.7−2.0
W50, SS433
- Right Ascension: 19 12 20
- Declination: +04 55
- Size (/arcmin): 120×60
- Type: ?
- Flux density at 1 GHz (/Jy): 85?
- Spectral Index: 0.7?
Notes: Eastern part has been called G40.0−3.1. Is this a SNR?
- Radio: Elongated shell, containing SS433, adjacent to the HII region S74.
- Optical: Faint filaments at the edge of the radio emission.
- X-ray: Emission from SS433 and two lobes.
- Point sources: SS433 is the compact source in the centre of the W50.
- Distance: HI absorption and CO observations indicate 4.9 kpc.
References:
- van den Bergh 1980, ApJ, 236, L23. Optical in Hα and [SII].
ADS
- Zealey et al. 1980, MNRAS, 192, 731. Optical spectra.
ADS
- van Gorkom et al. 1982, MNRAS, 198, 757. WSRT HI absorption to nearby point source (not SS433).
ADS
- Seaquist & Gilmore 1982, AJ, 87, 378. VLA observations of nearby source.
ADS
- Watson et al. 1983, ApJ, 273, 688. X-ray observations.
ADS
- Downes et al. 1986, MNRAS, 218, 393. Effelsberg 100-m at 4.75 GHz (2.'4: S=34±4 Jy), plus previous 1.7 and 2.7 GHz data.
ADS
- Romney et al. 1987, ApJ, 321, 822. VLBI of SS433, including distance.
ADS
- Elston & Baum 1987, AJ, 94, 1633. Mosaic with VLA at 1.4 GHz (30'') of fine structure only.
ADS
- Kawai et al. 1989, PASJ, 41, 491. X-ray observations of SS433.
ADS
- Band 1989, ApJ, 336, 937. Einstein and EXOSAT observations.
ADS
- Yamauchi et al. 1994, PASJ, 46, L109. X-ray spectral observations.
ADS
- Biggs & Lyne 1996, MNRAS, 282, 691. Pulsar search.
ADS
- Brinkmann et al. 1996, A&A, 312, 306. ROSAT observations.
ADS
- Kotani et al. 1996, PASJ, 48, 619. X-ray line emission from SS433.
ADS
- Safi-Harb & Ögelman 1997, ApJ, 483, 868. ROSAT observations.
ADS
- Dubner et al. 1998, AJ, 116, 1842. VLA at 328 MHz (60''×64'': S=160±20 Jy), and 1.4 GHz (54''×56''), plus NRAO 140-ft at 1.4 GHz (21') for HI observations.
ADS
- Safi-Harb & Petre 1999, ApJ, 512, 784. X-ray observations.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Brinkmann et al. 2007, A&A, 463, 611. XMM-Newton observations of E lobe.
ADS
- Boumis et al. 2007, MNRAS, 381, 308. Optical observations.
ADS
- Lockman et al. 2007, MNRAS, 381, 881. HI observations.
ADS
- Gao et al. 2011, A&A, 529, A159. Urumqi 25-m at 5 GHz (9.'5: S=37±4 Jy), including polarisation and review of flux densities.
ADS
- Farnes et al. 2017, MNRAS, 467, 4777. ATCA at 1.4 to 3.1 GHz, including polarisation and Hα observations.
ADS
- Broderick et al. 2018, MNRAS, 475, 5360. LOFAR at 115 to 189 MHz, including 140 MHz (55''×78'').
ADS
- Su et al. 2018, ApJ, 863, 103. CO and HI observations.
ADS
Last updated: 9 Apr 2019
G40.5−0.5
- Right Ascension: 19 07 10
- Declination: +06 31
- Size (/arcmin): 22
- Type: S
- Flux density at 1 GHz (/Jy): 11
- Spectral Index: 0.4
- Radio: Shell, brightest to the NE.
- Point sources: Central pulsar.
References:
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Downes et al. 1980, A&A, 92, 47. Effelsberg 100-m at 1.7 GHz (7.'6: S=9.3±1.3 Jy), and 2.7 GHz (4.'4: S=7.2±0.5 Jy), plus review of flux densities.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Yang et al. 2006, ChJAA, 6, 210. CO observations of surroundings.
ADS
- Abdo et al. 2007, ApJ, 664, L91. γ-ray observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=6.4±0.3 Jy) including polarisation and review of flux densities.
ADS
- Aliu et al. 2014, ApJ, 787, 166. γ-ray observations of region.
ADS
- Lyne et al. 2017, ApJ, 834, 137. Pulsar detection.
ADS
Last updated: 9 Apr 2019
G41.1−0.3
3C397
- Right Ascension: 19 07 34
- Declination: +07 08
- Size (/arcmin): 4.5×2.5
- Type: S
- Flux density at 1 GHz (/Jy): 25
- Spectral Index: 0.50
- Radio: 3C397 is two sources: the E is the SNR, the W is a HII region.
- X-ray: Brighter to the E and W, with central component.
- Distance: HI absorption suggest 8.5 kpc.
References:
- Kundu et al. 1974, AJ, 79, 132. NRAO 140-ft at 10 GHz (3') and 5 GHz (6').
ADS
- Velusamy & Kundu 1974, A&A, 32, 375. NRAO 300-ft at 2.7 GHz (5': S=21.3±1.2 Jy for both components).
ADS
- Caswell et al. 1975, A&A, 45, 239. HI absorption.
ADS
- Dickel & DeNoyer 1975, AJ, 80, 437. Arecibo S430 MHz=82±51 Jy, also Algonquin 46-m at 10.6 GHz (3': S=12±2 Jy), and Haystack 36-m at 15.5 GHz (2.'3: S=8.5±3.0 Jy).
ADS
- Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3': S=29.8 Jy) and Parkes 64-m at 5 GHz (4': S=8.7 Jy).
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Caswell et al. 1982, MNRAS, 200, 1143. FIRST at 1.4 GHz (52''×58'').
ADS
- Becker et al. 1985, ApJ, 296, 461. VLA at 1.4 and 5 GHz (8''), plus Einstein observations.
ADS
- Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (smoothed to 30'': S=4.10±0.19 Jy).
ADS
- Kassim 1992, AJ, 103, 943. VLA at 327 MHz (3.'5×3.'6: S=46.3 Jy).
ADS
- Anderson & Rudnick 1993, ApJ, 408, 514. VLA at 1.45 and 4.89 GHz, for spectral index studies.
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Chen et al. 1999, ApJ, 520, 737. ASCA and ROSAT observations.
ADS
- Dyer & Reynolds 1999, ApJ, 526, 365. VLA at 1.5 GHz (6.''6×6.''9) and 4.8 GHz (5.''6×6.''4), including polarisation and comparison with ROSAT image.
ADS
- Safi-Harb et al. 2000, ApJ, 545, 922. ROSAT, ASCA and other X-ray observations.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Safi-Harb et al. 2005, ApJ, 618, 321. Chandra observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Jiang et al. 2010, ApJ, 712, 1147. CO observations of region.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=18.5±1.1 Jy) including polarisation and review of flux densities.
ADS
- Yang et al. 2013, ApJ, 766, 44. Suzaku spectroscopy.
ADS
- Yamaguchi et al. 2015, ApJ, 801, L31. Suzaku observations.
ADS
- Clark et al. 2015, ApJ, 809, L2. Fermi observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Leahy & Ranasinghe 2016, ApJ, 817, 74. VGPS for HI absorption.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
Last updated: 9 Apr 2019
G41.5+0.4
- Right Ascension: 19 05 50
- Declination: +07 46
- Size (/arcmin): 10
- Type: S?
- Flux density at 1 GHz (/Jy): 1?
- Spectral Index: ?
- Radio: Partial clumpy shell, brighter to NE.
References:
- Kaplan et al. 2002, ApJ, 566, 378. VLA at 332 MHz (20'': S=1.8±0.4 Jy).
ADS
- Alves et al. 2012, MNRAS, 422, 2429. Radio observations.
ADS
Last updated: 15 May 2014
G42.0−0.1
- Right Ascension: 19 08 10
- Declination: +08 00
- Size (/arcmin): 8
- Type: S?
- Flux density at 1 GHz (/Jy): 0.5?
- Spectral Index: ?
- Radio: Irregular shell.
References:
- Kaplan et al. 2002, ApJ, 566, 378. VLA at 332 MHz (20'': S=1.8±0.4 Jy).
ADS
- Alves et al. 2012, MNRAS, 422, 2429. Radio observations.
ADS
Last updated: 16 May 2014
G42.8+0.6
- Right Ascension: 19 07 20
- Declination: +09 05
- Size (/arcmin): 24
- Type: S
- Flux density at 1 GHz (/Jy): 3?
- Spectral Index: 0.5?
Notes: Has been called G42.8+0.65.
- Radio: Faint shell.
- Point sources: Near soft gamma repeater, and young pulsar.
References:
- Fürst et al. 1987, A&AS, 69, 403. Effelsberg 100-m at 4.75 GHz (2.'4: S=1.5±0.2 Jy), plus other flux densities.
ADS
- Vasisht et al. 1994, ApJ, 431, L35. VLA at 327 MHz (3.'2×3.'4).
ADS
- Hurley et al. 1996, ApJ, 463, L13. Observations of soft gamma repeater field.
ADS
- Lorimer & Xilouris 2000, ApJ, 545, 385. Pulsar detection.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Kaplan et al. 2002, ApJ, 566, 378. VLA at 333 MHz (50''), and other observations of the region.
ADS
Last updated: 11 Jan 2004
G43.3−0.2
W49B
- Right Ascension: 19 11 08
- Declination: +09 06
- Size (/arcmin): 4×3
- Type: S
- Flux density at 1 GHz (/Jy): 38
- Spectral Index: 0.46
- Radio: Shell, brightest to the SE and W, near the HII region W49A.
- X-ray: Centrally brightened, elongated E–W.
- Point sources: Compact X-ray source.
- Distance: HI absorption suggests 11.3 kpc.
References:
- Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 2.7 GHz (4').
ADS
- Downes & Wilson 1974, A&A, 34, 133. Effelsberg 100-m at 10.7 GHz (1.'3).
ADS
- Green et al. 1975, A&A, 44, 187. Effelsberg 100-m at 15.0 GHz (58'': S=9.0±0.7 Jy).
ADS
- Lockhart & Goss 1978, A&A, 67, 355. HI absorption.
ADS
- Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2.'6).
ADS
- Pye et al. 1984, MNRAS, 207, 649. Einstein observations, and VLA at 1.4 and 5 GHz (both 12'').
ADS
- Smith et al. 1985, ApJ, 296, 469. EXOSAT spectrum.
ADS
- Morsi & Reich 1987, A&AS, 71, 189. Effelsberg 100-m at 32 GHz (smoothed to 30'': S=6.90±0.38 Jy).
ADS
- Moffett & Reynolds 1994, ApJ, 437, 705. VLA at 330 MHz (6.''7×7.''7: S=64.4 Jy), 1.48 GHz (4.''8×5.''2: S=31.8 Jy) and 4.85 GHz (4.''0×4.''1), including polarisation.
ADS
- Fujimoto et al. 1995, PASJ, 47, L31. ASCA observations.
ADS
- Gorham et al. 1996, ApJ, 458, 257. Pulsar search.
ADS
- Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations.
ADS
- Hwang et al. 2000, ApJ, 532, 970. ROSAT image and ASCA spectroscopy.
ADS
- Sugizaki et al. 2001, ApJS, 134, 77. ASCA survey observations.
ADS
- Aharonian et al. 2001, A&A, 375, 1008. HESS limit.
ADS
- Brogan & Troland 2001, ApJ, 550, 799. VLA at 1.4 GHz (24''×27'' and 5'') for HI Zeeman splitting.
ADS
- Lacey et al. 2001, ApJ, 559, 954. VLA at 74 MHz (23''×26'': S=55.6 Jy) and 326 MHz (6.''2×6.''6: S=56.0 Jy).
ADS
- Kaplan et al. 2002, ApJ, 566, 378. VLA at 333 MHz (50''), and other observations of the region.
ADS
- Kawasaki et al. 2005, ApJ, 631, 935. ASCA observations.
ADS
- Reach et al. 2006, AJ, 131, 1479. Spitzer observations.
ADS
- Miceli et al. 2006, A&A, 453, 567. XMM-Newton observations.
ADS
- Keohane et al. 2007, ApJ, 654, 938. IR and Chandra observations.
ADS
- Ozawa et al. 2009, ApJ, 706, L71. Suzaku observations.
ADS
- Abdo et al. 2010, ApJ, 722, 1303. Fermi observations.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=19.1±1.0 Jy) including polarisation and review of flux densities.
ADS
- Rodes-Roca 2013, A&A, 555, A115. IR of compact X-ray source.
ADS
- Yang et al. 2013, ApJ, 766, 44. Suzaku spectroscopy.
ADS
- Lopez et al. 2013, ApJ, 777, 145. Chandra spectroscopy.
ADS
- Zhu et al. 2014, ApJ, 793, 95. Spitzer and other observations.
ADS
- Froebrich et al. 2015, MNRAS, 454, 2586. H2 IR observations.
ADS
- Acero et al. 2016, ApJS, 224, 8. Fermi observations.
ADS
- Kilpatrick et al. 2016, ApJ, 816, 1. CO observations, including broad lines.
ADS
- Koo et al. 2016, ApJ, 821, 20. Spitzer and Herschel flux densities (and comparison with X-ray properties).
ADS
- Abdalla et al. 2018, A&A, 612, A1. HESS observations.
ADS
- Ranasinghe & Leahy 2018, AJ, 155, 204. VGPS HI absorption observations.
ADS
- Abdalla et al. 2018, A&A, 612, A5. HESS observations.
ADS
- Zhou & Vink 2018, A&A, 615, A150. Chandra observations.
ADS
- Tanaka et al. 2018, ApJ, 866, L26. NuSTAR observations.
ADS
- Yamaguchi et al. 2018, ApJ, 868, L35. NuSTAR observations.
ADS
Last updated: 15 Apr 2019
G43.9+1.6
- Right Ascension: 19 05 50
- Declination: +10 30
- Size (/arcmin): 60?
- Type: S?
- Flux density at 1 GHz (/Jy): 9.0
- Spectral Index: 0.5
- Radio: Large, poorly defined faint shell.
- Point sources: Soft gamma repeater nearby.
References:
- Reich et al. 1988, IAUCo, 101, 293. Summary of parameters.
ADS
- Reich et al. 1990, A&AS, 85, 633. Effelsberg 100-m at 2.7 GHz (4.'3).
ADS
- Vasisht et al. 1994, ApJ, 431, L35. VLA at 327 MHz (3.'2×3.'4).
ADS
- Hurley et al. 1996, ApJ, 463, L13. Observations of soft gamma repeater field.
ADS
- Kaplan et al. 2002, ApJ, 566, 378. VLA at 333 MHz (50''), and other observations of the region.
ADS
- Sun et al. 2011, A&A, 536, A83. Urumqi 25-m at 5 GHz (9.'5: S=4.55±0.24 Jy) including polarisation and review of flux densities.
ADS
Last updated: 24 May 2014
home |
documentation |
detailed listings |
summary listings
Dave Green/Cambridge, UK/