NGC 2977
| Galaxy NGC 2977 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 43 m 46.3 s |
| declination | + 74 ° 51 ′ 37 ″ |
| Appearance | |
| Morphological type | Sb |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 1.8 ′ × 0.8 ′ |
| Position angle | 145 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.010170 ± 0.000007 |
| Radial velocity | 3049 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(142 ± 10) · 10 6 ly (43.5 ± 3.0) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 2, 1801 |
| Catalog names | |
| NGC 2977 • UGC 5175 • PGC 27845 • CGCG 350-030 • MCG + 13-07-035 • IRAS 09388 + 7505 • 2MASX J09434323 + 7452011 • GC 1906 • H I 282 • NVSS J094347 + 745136 • LDCE 646 NED004 | |
NGC 2977 is a spiral galaxy of Hubble type Sb in the constellation Draco the northern sky . It is estimated to be 142 million light years from the Milky Way and about 70,000 ly in diameter.
The object was discovered on April 2, 1801 by the astronomer Wilhelm Herschel .