| NGC 6166 | |
|---|---|
 NGC 6166 by Spitzer Space Telescope | |
| Observation data (J2000 epoch) | |
| Constellation | Hercules |
| Right ascension | 16h 28m 38.276s |
| Declination | +39° 33′ 04.97″ |
| Redshift | z = −0.030354 (minus sign indicates blueshift) |
| Heliocentric radial velocity | −9100 km/s |
| Distance | 490 Mly (142 Mpc) |
| Apparent magnitude (V) | 12.78[1] |
| Absolute magnitude (V) | −24.1 |
| Characteristics | |
| Type | cD2 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 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]
- ^ "SIMBAD query result".
- ^ 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.