Note: this is an archived version which has been superseded.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


Notes: This remnant overlaps the Vela SNR (G263.9-3.3).

Radio: Incomplete shell, confused by the Vela SNR.
Optical: Nebulosity offset to NE.
X-ray: Non-thermal shell, confused by the Vela SNR, with central source.
Point sources: Central X-ray source, with optical nebula.
Distance: X-ray data suggest an upper limit of 1 kpc.


Last updated: 11 Jan 2004

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Dave Green/MRAO, Cambridge, UK/