Note: this is an archived version which has been superseded.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

G74.9+1.2 CTB 87

Radio: Filled-centre, with high polarization and high frequency turnover.
X-ray: Centrally brightened.
Distance: HI absorption indicates 12 kpc, optical extinction gives 6.1±0.9 kpc.
Point sources: Extragalactic compact source is nearby.


Last updated: 11 Jan 2004

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Dave Green/MRAO, Cambridge, UK/