NGC 2920
| Galaxy NGC 2920 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 34 m 12.2 s |
| declination | -20 ° 51 ′ 33 ″ |
| Appearance | |
| Morphological type | Sat |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 0.9 ′ × 0.6 ′ |
| Position angle | 129 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.011031 ± 0.000027 |
| Radial velocity | 3307 ± 8 km / s |
|
Stroke distance v rad / H 0 |
(139 ± 10) · 10 6 ly (42.5 ± 3.0) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 1, 1837 |
| Catalog names | |
| NGC 2920 • PGC 27197 • ESO 565-015 • IRAS 09318-2038 • 2MASX J09341226-2051323 • SGC 093154-2038.2 • GALEX ASC J093412.13-205134.1 | |
NGC 2920 is a spiral galaxy of Hubble type Sa in the constellation Hydra south of the ecliptic . It is estimated to be 139 million light years from the Milky Way and about 40,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 2921 and NGC 2935 .
The object was discovered by John Herschel on February 1, 1837 .