NGC 6166

NGC 6166
Observation data (J2000 epoch)
ConstellationHercules
Right ascension16h 28m 38.276s
Declination+39° 33′ 04.97″
Redshiftz = −0.030354
(minus sign
indicates blueshift)
Heliocentric radial velocity−9100 km/s
Distance490 Mly
(142 Mpc)
Apparent magnitude (V)12.78[1]
Absolute magnitude (V)−24.1
Characteristics
TypecD2 pec.
Apparent size (V)1.9’ x 1.4’
Other designations
UGC 10409, PGC 58265, CGCG 2205.6+3107 0504, MCG +07-34-060, 3C 338
NGC 6166

NGC 6166 is an elliptical galaxy in the Abell 2199 cluster. It lies 490 million light years away in the constellation Hercules. The primary galaxy in the cluster, it is one of the most luminous galaxies known in terms of X-ray emissions.[2]

  1. ^ "SIMBAD query result".
  2. ^ Bridges, T.J.; Cater, D (April 26, 1996). "B-R Colors of Globular Clusters in NGC 6166 (A2199)". The Astrophysical Journal. 281 (4): 1290–1296. arXiv:astro-ph/9604159v1. Bibcode:1996MNRAS.281.1290B. doi:10.1093/mnras/281.4.1290. S2CID 119458738.