G156.2+5.7 ADS: search fulltext or title/keyword/abstract

Radio: Faint shell, brighter in E and W.
Optical: Filamentary ring and smaller patchy ring.
X-ray: Faint shell.
Distance: Optical/X-ray observations imply >1.7 kpc, optical extinction suggests 0.7 kpc.

References:

Last updated: 16 Dec 2022


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