Note: this is an archived version which has been superseded. The current SNR catalogue is at


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


Last updated: 11 Jan 2004

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Dave Green/MRAO, Cambridge, UK/