Note: this is an archived version which has been superseded.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

G263.9-3.3 Vela (XYZ)

Notes: This refers to the whole Vela XYZ complex, of which X has at times been classified as a separate (filled-centre) remnant.

Radio: Large shell, with flatter spectrum component (Vela X).
Optical: Filaments.
X-ray: Patchy shell, with extensions, central nebula and pulsar.
Point sources: Pulsar within Vela X.
Distance: Vela pulsar implies 0.5 kpc.


Last updated: 21 AUG 1996

Dave Green/MRAO, Cambridge, UK/