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


G272.2−3.2

Radio: Diffuse shell.
Optical: Detected.
X-ray: Centrally brightened.

References:

Last updated: 12 Jun 2017


G279.0+1.1

Radio: Faint, incomplete shell.
Optical: Detected.
Point sources: Pulsar nearby.

References:

Last updated: 25 Apr 2014


G284.3−1.8

MSH 10−53

Notes: Has been called G284.2−1.8.

Radio: Incomplete, poorly defined shell.
Optical: Faint filament near edge.
Point sources: Central X-/γ-ray source.

References:

Last updated: 11 May 2017


G286.5−1.2

Radio: Double, elongated arc.
Optical: Detected.

References:

Last updated: 25 Apr 2014


G289.7−0.3

Radio: Incomplete shell.
Point sources: Compact radio source near centre.

References:

Last updated: 21 Aug 1996


G290.1−0.8

MSH 11−61A

Radio: Elongated, clumpy shell.
Optical: Filaments detected.
X-ray: Centrally brightened.
Point sources: Pulsar nearby, with PWN and extended `jet' in X-rays.
Distance: HI absorption indicates 7±1 kpc.

References:

Last updated: 13 May 2017


G291.0−0.1

(MSH 11−62)

Radio: Centrally brightened core, with surrounding arcs.
Optical: Detected.
X-ray: Centrally brightened.
Point sources: Central compact X-ray source.

References:

Last updated: 13 May 2017


G292.0+1.8

MSH 11−54

Radio: Centrally brightened source surrounded by a plateau of faint emission.
Optical: Oxygen rich.
X-ray: Ring of emission, with diffuse central nebula and pulsar.
Point sources: Central pulsar.
Distance: HI absorption implies 6.0 kpc.

References:

Last updated: 16 Jun 2017


G292.2−0.5

Radio: Shell.
X-ray: Shell, brighter to W, with central nebula.
Point sources: Central, young pulsar.
Distance: HI absorption indicates 8.4 kpc.

References:

Last updated: 13 May 2017


G293.8+0.6

Radio: Central source, with faint extended plateau.

References:

Last updated: 21 Aug 1996


G294.1−0.0

Radio: Faint shell.

References:

Last updated: 21 Aug 1996


G296.1−0.5

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: Irregular, incomplete shell.

References:

Last updated: 24 Apr 2014


G296.5+10.0

PKS 1209−51/52

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:

Last updated: 13 May 2017


G296.7−0.9

Radio: Bilateral shell.
X-ray: Brighter to SE.

References:

Last updated: 12 Jun 2017


G296.8−0.3

1156−62

Radio: Shell, brighter to the NW.
X-ray: Detected.
Distance: HI absorption gives 9.6 kpc.

References:

Last updated: 24 Apr 2014


G298.5−0.3

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

References:

Last updated: 16 Mar 2009


G298.6−0.0

Notes: Has been called G298.6−0.1.

Radio: Incomplete shell, in complex region.
X-ray: Centrally brightened.

References:

Last updated: 13 May 2017


G299.2−2.9

Radio: Faint source.
Optical: Filaments in W.
X-ray: Centrally brightened with shell at higher energies.

References:

Last updated: 5 May 2017


G299.6−0.5

Radio: Faint shell, brightest to E.

References:

Last updated: 21 Aug 1996


G301.4−1.0

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

References:

Last updated: 21 Aug 1996


G302.3+0.7

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

References:

Last updated: 21 Aug 1996


G304.6+0.1

Kes 17

Radio: Incomplete shell.
X-ray: Detected.
Distance: Possible limit of >9.7 kpc from HI absorption.

References:

Last updated: 16 Jun 2017


G306.3−0.9

Radio: Diffuse emission.
X-ray: Partial shell.

References:

Last updated: 13 May 2017


G308.1−0.7

Radio: Faint shell.

References:

Last updated: 21 Aug 1996


G308.4−1.4

Notes: W part has been called G308.3−1.4.

Radio: Complex structure, with multiple arcs.
X-ray: Limb brightened partial shell in W.

References:

Last updated: 7 May 2014


G308.8−0.1

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:

Last updated: 16 Mar 2009


G309.2−0.6

Notes: Has been called G309.2−0.7.

Radio: Distorted shell.
X-ray: Extended emission, with unrelated central source.

References:

Last updated: 27 Mar 2009


G309.8+0.0

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

References:

Last updated: 13 Aug 1998


G310.6−1.6

X-ray: Bright central nebula, with faint shell.
Point sources: X-ray pulsar, and extended emission.

References:

Last updated: 4 Jun 2017


G310.6−0.3

Kes 20B

Radio: Asymmetric shell.

References:

Last updated: 16 Mar 2009


G310.8−0.4

Kes 20A

Radio: Arc in E, in complex region.

References:

Last updated: 28 Apr 2014


G311.5−0.3

Radio: Shell, not well resolved.
X-ray: Detected.

References:

Last updated: 5 May 2017


G312.4−0.4

Radio: Irregular, incomplete shell.
X-ray: Weak emission in W.
Point sources: Nearby γ-ray sources and pulsars.
Distance: HI absorption suggests >6 kpc and possibly >14 kpc.

References:

Last updated: 28 Apr 2017


G312.5−3.0

Radio: Distorted shell.

References:

Last updated: 24 Apr 2014

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