Note: this is an archived version which has been superseded.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

G6.4−0.1     W28

Notes: Has been called G6.6−0.2.

Radio: Several non-thermal sources in a ring, with flat spectrum core.
Optical: Diffuse emission.
X-ray: Diffuse emission from most of the remnant.
Point sources: Young pulsar near edge of remnant, but not thought to be related.
Distance: HI observations suggest 1.9 kpc.


Last updated: 31 Mar 2006

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Dave Green/Cambridge, UK/