G57.2+0.8 ADS: search fulltext or title/keyword/abstract

(4C21.53)

Radio: Extended non-thermal arc.
Point sources: Central magnetar/SGR.
Distance: HI observations suggest 12.5 kpc, other associations suggests 4.4 to 9.0 kpc.

References:

Last updated: 20 Dec 2022


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Dave Green / Cambridge, UK /