Note: this is an archived version which has been superseded. The current SNR catalogue is at http://www.mrao.cam.ac.uk/surveys/snrs/

4th quadrant Galactic SNRs (270°<l<315°)

G272.2-3.2

• Right Ascension: 09 06 50
• Declination: -52 02
• Size (/arcmin): 15?
• Type: S?
• Flux density at 1 GHz (/Jy): 0.4
• Spectral Index: 0.6

Radio: Diffuse shell.

X-ray: Centrally brightened.

Optical: Detected.

References:

• Greiner et al. 1994, A&A, 286, L35. ROSAT observations, plus optical. ADS
• Duncan et al. 1997, MNRAS, 289, 97. Parkes 64-m at 1.4 GHz (18': S=0.38±0.09 Jy) 2.4 GHz (10'.6: S=0.25±0.04 Jy) and 4.8 GHz (5'.7: S=0.17±0.02 Jy), MOST at 843 MHz (45"×70": S=0.45±0.10 Jy), and ATCA at 2.4 GHz (37"×52"), plus ROSAT observations. ADS
• Harrus et al. 2001, ApJ, 552, 614. ASCA and ROSAT observations, plus review of earlier observations. ADS

Last updated: 10 Oct 2001

G279.0+1.1

• Right Ascension: 09 57 40
• Declination: -53 15
• Size (/arcmin): 95
• Type: S
• Flux density at 1 GHz (/Jy): 30?
• Spectral Index: 0.6?

Radio: Faint, incomplete shell.

Point sources: Pulsar nearby.

References:

• Woermann & Jonas 1988, MNRAS, 234, 971. Hartesbeesthoek 26-m at 1.6 (30': S=25.2±4 Jy) and 2.3 GHz (20': S=20.7±3 Jy). ADS
• Duncan et al. 1995, MNRAS, 277, 319. Parkes 64-m at 1.4 (18': S=28±3 Jy) and 2.4 GHz (11': S=20±2 Jy), including polarization. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×53") of part. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS

Last updated: 13 Aug 1998

G284.3-1.8 MSH 10-53

• Right Ascension: 10 18 15
• Declination: -59 00
• Size (/arcmin): 24?
• Type: S
• Flux density at 1 GHz (/Jy): 11?
• Spectral Index: 0.3?

Notes: Has been called G284.2-1.8.

Radio: Incomplete, poorly defined shell.

Point sources: Pulsar nearby.

References:

• Ruiz & May 1986, ApJ, 309, 667. CO and optical observations. ADS
• Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43"×50") and Parkes 64-m at 8.4 GHz (3': S=5.4±0.8 Jy) including polarization, plus earlier flux densities. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations. ADS
• Camilo et al. 2001, ApJ, 557, L51. Observations of nearby pulsar. ADS

Last updated: 10 Oct 2001

G286.5-1.2

• Right Ascension: 10 35 40
• Declination: -59 42
• Size (/arcmin): 26×6
• Type: S?
• Flux density at 1 GHz (/Jy): 1.4?
• Spectral Index: ?

Radio: Double, elongated arc.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×50": S=1.6 Jy). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS

Last updated: 13 Aug 1998

G289.7-0.3

• Right Ascension: 11 01 15
• Declination: -60 18
• Size (/arcmin): 18×14
• Type: S
• Flux density at 1 GHz (/Jy): 6.2
• Spectral Index: 0.2?

Radio: Incomplete shell.

Point sources: Compact radio source near centre.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×50": S=6.4±0.5 Jy), plus Parkes 64-m at 4.5 GHz (S=7.5±2.5 Jy) and 8.55 GHz (S=3.6±0.9 Jy). ADS

Last updated: 21 Aug 1996

G290.1-0.8 MSH 11-61A

• Right Ascension: 11 03 05
• Declination: -60 56
• Size (/arcmin): 19×14
• Type: S
• Flux density at 1 GHz (/Jy): 42
• Spectral Index: 0.4

Radio: Elongated, clumpy shell.

Optical: Filaments detected.

X-ray: Detected.

Point sources: Pulsar nearby.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4'.4: S=20.2 Jy). ADS
• Elliot & Malin 1979, MNRAS, 186, 45P. Optical image and spectra. ADS
• Kirshner & Winkler 1979, ApJ, 227, 853. Optical. ADS
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44"×50"). ADS
• Milne et al. 1989, PASAu, 8, 187. MOST at 843 MHz (43"×49": S=45±11 Jy), and Parkes 64-m at 8.4 GHz (3': S=19.5±1.0 Jy), including polarization. ADS
• Seward 1990, ApJS, 73, 781. Einstein observations. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=43 Jy). ADS
• Rosado et al. 1996, A&A, 315, 243. Optical kinematics. ADS
• Kaspi et al. 1997, ApJ, 485, 820. Pulsar detection. ADS
• Gotthelf & Kaspi 1998, ApJ, 497, L29. ASCA observations of pulsar. ADS

Last updated: 17 Aug 1998

G291.0-0.1 (MSH 11-62)

• Right Ascension: 11 11 54
• Declination: -60 38
• Size (/arcmin): 15×13
• Type: C
• Flux density at 1 GHz (/Jy): 16
• Spectral Index: 0.29

Radio: Centrally brightened core, with surrounding arcs.

X-ray: Centrally brightened.

Point sources: Central compact X-ray source.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Roger et al. 1986, MNRAS, 219, 815. MOST at 843 MHz (43"×50": S=17.2±1.0 Jy), and Parkes 64-m at 5 and 8.4 GHz (4'.6 and 3': S=10.4±0.4 Jy and 9'.1±0.2), with polarization. ADS
• Wilson 1986, ApJ, 302, 718. Einstein observations. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=12.7 Jy). ADS
• Harrus et al. 1998, ApJ, 499, 273. ASCA observations. ADS

Last updated: 13 Aug 1998

G292.0+1.8 MSH 11-54

• Right Ascension: 11 24 36
• Declination: -59 16
• Size (/arcmin): 12×8
• Type: C
• Flux density at 1 GHz (/Jy): 15
• Spectral Index: 0.4

Radio: Centrally brightened source surrounded by a plateau of faint emission.

Optical: Oxygen rich.

X-ray: Ring of emission, with diffuse central nebula and compact source.

Point sources: Compact X-ray source.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Goss et al. 1979, MNRAS, 188, 357. Optical spectra. ADS
• Lockhart et al. 1977, MNRAS, 179, 147. Fleurs at 1415 MHz (50": S=13.0 Jy). ADS
• Clark et al. 1980, MNRAS, 193, 129. X-ray spectrum. ADS
• Tuohy et al. 1982, ApJ, 260, L65. Einstein observations. ADS
• Dopita & Tuohy 1984, ApJ, 282, 135. Optical spectra. ADS
• Braun et al. 1986, A&A, 162, 259. MOST at 843 MHz (0'.8) and IRAS. ADS
• Hughes & Singh 1994, ApJ, 422, 126. EXOSAT spectrum. ADS
• Sutherland & Dopita 1995, ApJ, 439, 365. Spectrophotometry. ADS
• Hughes et al. 2001, ApJ, 559, L153. Chandra observations, including central nebula. ADS

Last updated: 17 Oct 2001

G292.2-0.5

• Right Ascension: 11 19 20
• Declination: -61 28
• Size (/arcmin): 20×15
• Type: S
• Flux density at 1 GHz (/Jy): 7?
• Spectral Index: 0.6?

Radio: Shell.

X-ray: Detected.

Point sources: Central, young pulsar.

References:

• Crawford et al. 2001, ApJ, 554, 152. ATCA at 1.4 GHz (29"×25": S=5.6×0.3 Jy) and 2.5 GHz (21"×20"). ADS
• Pivovaroff et al. 2001, ApJ, 554, 161. ROSAT and ASCA observations. ADS

Last updated: 12 Oct 2001

G293.8+0.6

• Right Ascension: 11 35 00
• Declination: -60 54
• Size (/arcmin): 20
• Type: C
• Flux density at 1 GHz (/Jy): 5?
• Spectral Index: 0.6?

Radio: Central source, with faint extended plateau.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=9.0 Jy) and Parkes 64-m at 5 GHz (4': S=2.1 Jy). ADS
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44"×51"). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=2.6 Jy). ADS

Last updated: 21 Aug 1996

G294.1-0.0

• Right Ascension: 11 36 10
• Declination: -61 38
• Size (/arcmin): 40
• Type: S
• Flux density at 1 GHz (/Jy): >2?
• Spectral Index: ?

Radio: Faint shell.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S>2). ADS

Last updated: 21 Aug 1996

G296.1-0.5

• Right Ascension: 11 51 10
• Declination: -62 34
• Size (/arcmin): 37×25
• Type: S
• Flux density at 1 GHz (/Jy): 8?
• Spectral Index: 0.6?

Notes: Incorporates the previously catalogued remnant G296.1-0.7. Has been called G296.05-0.50.

Radio: Irregular shell, with nearby HII regions.

Optical: Detected.

X-ray: Detected.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=6.9 Jy) and Parkes 64-m at 5 GHz (4': S>0.74) poor 5-GHz map (of G296.1-0.7). ADS
• Longmore et al. 1977, MNRAS, 181, 541. Optical spectra. ADS
• van den Bergh 1978, ApJS, 38, 119. Optical. ADS
• Markert et al. 1981, ApJ, 248, L17. Einstein observations. ADS
• Caswell & Barnes 1983, ApJ, 271, L55. Molonglo at 408 MHz (3': S=12.4 Jy). ADS
• Bignami et al. 1986, ApJ, 302, 606. EXOSAT and Einstein observations. ADS
• Hwang & Markert 1994, ApJ, 431, 819. ROSAT observations. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S>2.4). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS

Last updated: 19 Aug 1998

G296.5+10.0 PKS 1209-51/52

• Right Ascension: 12 09 40
• Declination: -52 25
• Size (/arcmin): 90×65
• Type: S
• Flux density at 1 GHz (/Jy): 48
• Spectral Index: 0.5

Notes: Has been called G296.5+9.7.

Radio: Shell with two bright limbs.

Optical: Detected.

X-ray: Incomplete shell, with central pulsar.

Point sources: Central pulsar.

References:

• Irvine & Irvine 1974, ApJ, 192, L111. Optical.
• Danziger & Dennefeld 1976, PASP, 88, 44. Optical spectra. 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
• Tuohy et al. 1979, ApJ, 230, L27. X-ray detection with HEAO-1 A2 experiment. ADS
• Ruiz 1983, AJ, 88, 1210. Optical spectra. ADS
• Dubner et al. 1986, AJ, 91, 343. Argentine 30-m dish at 1.4 GHz (34'), plus HI. ADS
• Kellett et al. 1987, MNRAS, 225, 199. EXOSAT of the west of the remnant, including the compact source. ADS
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44"×56"). ADS
• Matsui et al. 1988, ApJ, 329, 838. Einstein observations, including compact source. ADS
• Roger et al. 1988, ApJ, 332, 940. MOST at 843 MHz (44"×56"). ADS
• Bignami et al. 1992, ApJ, 389, L67. Optical in vicinity of X-ray source. ADS
• Milne & Haynes 1994, MNRAS, 270, 106. Parkes 64-m at 2.4 GHz (8'.3: S=33±3 Jy), 4.8 GHz (4'.5: S=23.3±3 Jy) and 8.4 GHz (3'.0: 18.8±3), including polarization and review of flux densities. ADS
• Mereghetti et al. 1996, ApJ, 464, 842. Radio, optical and X-tray observations of central source. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m and ATCA OH observations. ADS
• Vasisht et al. 1997, ApJ, 476, L43. ASCA observations of neutron star. ADS
• Zavlin et al. 1998, A&A, 331, 821. ROSAT and ASCA observations of neutron star. ADS
• Giacani et al. 2000, AJ, 119, 281. ATCA at 1.4 GHz (2'.7×4'.0) for HI studies. ADS
• Zavlin et al. 2000, ApJ, 540, L25. Chandra observations of central pulsar. ADS

Last updated: 10 Oct 2001

G296.8-0.3 1156-62

• Right Ascension: 11 58 30
• Declination: -62 35
• Size (/arcmin): 20×14
• Type: S
• Flux density at 1 GHz (/Jy): 9
• Spectral Index: 0.6

Radio: Shell, brighter to the NW.

Distance: HI absorption gives 9.6±0.6 kpc.

X-ray: Detected.

References:

• Caswell et al. 1975, AuJPA, 37, 39. Molonglo at 408 MHz (3': S=15.0 Jy) and Parkes 64-m at 5 GHz (4': S=3.2 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
• Hwang & Markert 1994, ApJ, 431, 819. ROSAT observations. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=9.2 Jy). ADS
• Gaensler et al. 1998, MNRAS, 296, 813. ATCA at 1.3 GHz (22"×24": S=7.0±0.3 Jy), including polarisation and HI observations, plus review of flux densities. ADS

Last updated: 19 Aug 1998

G298.5-0.3

• Right Ascension: 12 12 40
• Declination: -62 52
• Size (/arcmin): 5?
• Type: ?
• Flux density at 1 GHz (/Jy): 5?
• Spectral Index: 0.4?

Radio: Not well resolved, may be part of a larger ring?

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Hwang & Markert 1994, ApJ, 431, 819. ROSAT upper limit. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=1.8 Jy). ADS

Last updated: 21 Aug 1996

G298.6-0.0

• Right Ascension: 12 13 41
• Declination: -62 37
• Size (/arcmin): 12×9
• Type: S
• Flux density at 1 GHz (/Jy): 5?
• Spectral Index: 0.3

Notes: Has been called G298.6-0.1.

Radio: Incomplete shell, in complex region.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44"×50"). ADS
• Hwang & Markert 1994, ApJ, 431, 819. ROSAT upper limit. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=7.4 Jy). ADS

Last updated: 21 Aug 1996

G299.2-2.9

• Right Ascension: 12 15 13
• Declination: -65 30
• Size (/arcmin): 18×11
• Type: S
• Flux density at 1 GHz (/Jy): 0.5?
• Spectral Index: ?

Radio: Faint source.

X-ray: Centrally brightened.

Optical: Filaments in W.

References:

• Busser et al. 1996, A&A, 310, L1. ROSAT detection, plus optical studies. ADS
• Slane et al. 1996, ApJ, 465, 840. Einstein, IRAS and radio observations. ADS
• Bai & Wang 2000, ApJ, 539, 760. ASCA observations. ADS

Last updated: 23 Aug 2000

G299.6-0.5

• Right Ascension: 12 21 45
• Declination: -63 09
• Size (/arcmin): 13
• Type: S
• Flux density at 1 GHz (/Jy): 1.0?
• Spectral Index: ?

Radio: Faint shell, brightest to E.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=1.1 Jy). ADS

Last updated: 21 Aug 1996

G301.4-1.0

• Right Ascension: 12 37 55
• Declination: -63 49
• Size (/arcmin): 37×23
• Type: S
• Flux density at 1 GHz (/Jy): 2.1?
• Spectral Index: ?

Radio: Faint, incomplete shell, with possible extensionm to southwest.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=2.3 Jy). ADS

Last updated: 21 Aug 1996

G302.3+0.7

• Right Ascension: 12 45 55
• Declination: -62 08
• Size (/arcmin): 17
• Type: S
• Flux density at 1 GHz (/Jy): 5?
• Spectral Index: 0.4?

Radio: Distorted shell, in complex region, with possibly associated filament.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=7.5 Jy) and Parkes 64-m at 5 GHz (4': S=3.0 Jy). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=3.2 Jy). ADS
• Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. ADS

Last updated: 21 Aug 1996

G304.6+0.1 Kes 17

• Right Ascension: 13 05 59
• Declination: -62 42
• Size (/arcmin): 8
• Type: S
• Flux density at 1 GHz (/Jy): 14
• Spectral Index: 0.5

Radio: Incomplete shell.

Distance: Possible limit of >9.7 kpc from HI absorption.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4'.4: S=6.9 Jy). ADS
• Caswell et al. 1975, A&A, 45, 239. Parkes HI absorption. ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=18 Jy). ADS
• Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. ADS

Last updated: 21 Aug 1996

G308.1-0.7

• Right Ascension: 13 37 37
• Declination: -63 04
• Size (/arcmin): 13
• Type: S
• Flux density at 1 GHz (/Jy): 1.2?
• Spectral Index: ?

Radio: Faint shell.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=1.3 Jy). ADS

Last updated: 21 Aug 1996

G308.8-0.1

• Right Ascension: 13 42 30
• Declination: -62 23
• Size (/arcmin): 30×20?
• Type: C?
• Flux density at 1 GHz (/Jy): 15?
• Spectral Index: 0.4?

Notes: Incorporates previous catalogued remnant G308.7+0.0.

Radio: Bright ridge in north, and arc to south.

Point sources: Pulsar near centre of remnant.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=16.7 Jy) and Parkes 64-m at 5 GHz (4': S=7.0 Jy). ADS
• Milne & Dickel 1975, AuJPh, 28, 209. Parkes 64-m at 5 GHz (4'.4: S=6.5 Jy). ADS
• Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (50"). ADS
• Wilson 1986, ApJ, 302, 718. Lack of detection with Einstein. ADS
• Caswell et al. 1992, ApJ, 399, L151. MOST at 843 MHz (43"×49"). ADS
• Kaspi et al. 1992, ApJ, 399, L155. Pulsar observations. ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS

Last updated: 13 Aug 1998

G309.2-0.6

• Right Ascension: 13 46 31
• Declination: -62 54
• Size (/arcmin): 15×12
• Type: S
• Flux density at 1 GHz (/Jy): 7?
• Spectral Index: 0.4?

Notes: Has been called G309.2-0.7.

Radio: Distorted shell.

X-ray: Extenmed emission, with central source.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=10.0 Jy) and Parkes 64-m at 5 GHz (4': S=3.9 Jy). ADS
• Caswell et al. 1981, MNRAS, 195, 89. FIRST at 1415 MHz (1'.5). ADS
• Kesteven & Caswell 1987, A&A, 183, 118. MOST at 843 MHz (44"×50"). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×48": S=6 Jy). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS
• Gaensler et al. 1998, MNRAS, 299, 812. ATCA at 1.3 GHz (24"×23": S=5.2±0.2 Jy). ADS
• Rakowski et al. 2001, ApJ, 548, 258. ASCA and ROSAT observations. ADS

Last updated: 10 Oct 2001

G309.8+0.0

• Right Ascension: 13 50 30
• Declination: -62 05
• Size (/arcmin): 25×19
• Type: S
• Flux density at 1 GHz (/Jy): 17
• Spectral Index: 0.5

Radio: Distorted shell.

Point sources: Steep radio spectrum source near the centre of the remnant.

References:

• Clark et al. 1975, AuJPA, 37, 1. Molonglo at 408 MHz (3': S=26.4 Jy) and Parkes 64-m at 5 GHz (4': S=7.4 Jy). ADS
• Caswell et al. 1980, MNRAS, 190, 881. FIRST at 1415 MHz (1'). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S>8.8). ADS
• Green et al. 1997, AJ, 114, 2058. Parkes 64-m OH observations. ADS

Last updated: 13 Aug 1998

G310.6-0.3 Kes 20B

• Right Ascension: 13 58 00
• Declination: -62 09
• Size (/arcmin): 8
• Type: S
• Flux density at 1 GHz (/Jy): 5?
• Spectral Index: ?

Radio: Asymmetric shell.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=5.4 Jy). ADS

Last updated: 21 Aug 1996

G310.8-0.4 Kes 20A

• Right Ascension: 14 00 00
• Declination: -62 17
• Size (/arcmin): 12
• Type: S
• Flux density at 1 GHz (/Jy): 6?
• Spectral Index: ?

Radio: Arc in E, in complex region.

References:

• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=6.9 Jy). ADS

Last updated: 21 Aug 1996

G311.5-0.3

• Right Ascension: 14 05 38
• Declination: -61 58
• Size (/arcmin): 5
• Type: S
• Flux density at 1 GHz (/Jy): 3?
• Spectral Index: 0.5

Radio: Shell, not well resolved.

References:

• Shaver & Goss 1970, AuJPA, 14, 133. Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4').
• Caswell & Barnes 1985, MNRAS, 216, 753. Molonglo at 408 MHz (3'). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S=2.9 Jy). ADS

Last updated: 21 Aug 1996

G312.4-0.4

• Right Ascension: 14 13 00
• Declination: -61 44
• Size (/arcmin): 38
• Type: S
• Flux density at 1 GHz (/Jy): 45
• Spectral Index: 0.36

Radio: Irregular, incomplete shell.

Point sources: Nearby gamma-ray sources.

References:

• Caswell & Barnes 1985, MNRAS, 216, 753. Molonglo at 408 MHz (3': S=56 Jy). ADS
• Whiteoak & Green 1996, A&AS, 118, 329. MOST at 843 MHz (43"×49": S>19), plus Parkes 64-m at 4.5 GHz (S=30±2 Jy) and 8.55 GHz (S=17±4 Jy). ADS
• Frail et al. 1996, AJ, 111, 1651. OH emission near remnant. ADS
• Case & Bhattacharya 1998, ApJ, 521, 246. Nearby gamma-ray sources. ADS
• Roberts et al. 1999, ApJ, 515, 712. MOST at 843 MHz (43"×49"). ADS

Last updated: 10 Oct 2001