G22.7−0.2

Radio: Non-thermal ring in complex region, overlapping G23.3−0.3.
X-ray: Possible detection.
Point sources: Variable radio source near centre, and γ-ray source near edge.
Distance: Association with CO indicates 4.4 kpc, and HI absorption suggests 4.7 kpc.

References:

Last updated: 9 Apr 2019


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Dave Green/Cambridge, UK/