G78.2+2.1

DR4, γ Cygni SNR

Notes: Has been called G78.1+1.8.

Radio: In complex region (early catalogues refer to other proposed remnants in this region).
Optical: Faint filaments, spectra indicate a SNR superposed on a HII region.
X-ray: Weak emission from the SE of the remnant.
Point sources: X-ray pulsar at edge of remnant, with nebula.
Distance: Associations with other objects suggests 1.7 to 2.6 kpc.

References:

Last updated: 13 May 2017


home | documentation | detailed listings | summary listings


Dave Green/Cambridge, UK/