Note: this is an archived version which has been superseded.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

G49.2−0.7     (W51)

Radio: In complex region, parameters uncertain.
X-ray: Elongated east–west.
Optical: Some diffuse emission possibly associated.
Distance: Association with CO gives 6 kpc.


Last updated: 26 Apr 2006

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Dave Green/Cambridge, UK/