Note: this is an archived version which has been superseded.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


Notes: The identification as a SNR has been questioned.

Radio: Not well resolved.
X-ray: X-ray pulsar, and extended emission from remnant.
Point sources: X-ray pulsar associated with soft gamma repeater.
Distance: Association with W31 gives 14.5 kpc.


Last updated: 8 Nov 2001

Dave Green/MRAO, Cambridge, UK/