NGC 6166
| Galaxy NGC 6166 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 16 h 28 m 38.5 s |
| declination | + 39 ° 33 ′ 06 ″ |
| Appearance | |
| Morphological type | cD; E; NLRG / LEG |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 1 ′, 9 × 1 ′, 4 |
| Position angle | 35 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 2199 |
| Redshift | 0.03 |
| Radial velocity | 9100 km / s |
|
Stroke distance v rad / H 0 |
(414 ± 29) · 10 6 ly (126.8 ± 8.9) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 30, 1791 |
| Catalog names | |
| NGC 6166 • UGC 10409 • PGC 58265 • CGCG 224-039 • MCG + 07-34-60 • 2MASX J16283827 + 3933049 • VV 364 • GC 4208 • H II 875 • h 1961 • 3C 338 | |
NGC 6166 is an elliptical galaxy in the constellation Hercules . It is the dominant galaxy in the galaxy cluster Abell 2199, around 400 million light years away . NGC 6166 is one of the most luminous galaxies known in the X-ray range .
The object was discovered by William Herschel on May 30, 1791 .