Note: this is an archived version which has been superseded.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

G260.4-3.4 Puppis A, MSH 08-44

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

Radio: Angular shell, brightest to the E, poorly defined to the W.
Optical: Nebulosity and wisps.
X-ray: Brightest to the E.
Point sources: Central source, a possible pulsar in X-rays.
Distance: Association with HI gives 2.2±0.3 kpc; OH absorption/emission in vicinty implies 0.5 to 1.9 kpc.


Last updated: 11 Jan 2004

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Dave Green/MRAO, Cambridge, UK/