Note: this is an archived version which has been superseded.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: Filaments.
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: 11 Jan 2004

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Dave Green/MRAO, Cambridge, UK/