G18.9−1.1 ADS: search fulltext or title/keyword/abstract

Notes: Has been called G18.95−1.1 and G18.94−1.04.

Radio: Non-thermal, diffuse partially limb-brightened, with central ridge.
Optical: Detected.
X-ray: Partial shell.
Point sources: Compact X-ray source, with diffuse nebula.
Distance: Optical absorption suggests 1.8 kpc, H2 emission suggests 4.7 kpc, optical extinction suggests 3.1 kpc.


Last updated: 20 Dec 2022

home | documentation | detailed listings | summary listings

Dave Green / Cambridge, UK /