NGC 2945
| Galaxy NGC 2945 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 37 m 41.1 s |
| declination | -22 ° 02 ′ 06 ″ |
| Appearance | |
| Morphological type | SA0- / AGN |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.60 ′ × 1.2 ′ |
| Position angle | 168 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.015444 ± 0.000050 |
| Radial velocity | (4630 ± 15) km / s |
|
Stroke distance v rad / H 0 |
(198 ± 14) · 10 6 ly (60.6 ± 4.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | January 23, 1835 |
| Catalog names | |
| NGC 2945 • PGC 27418 • ESO 565-028 • MCG -04-23-010 • 2MASX J09374111-2202064 • LDCE 0652 NED005 | |
NGC 2945 is a lenticular galaxy of the Hubble type E-S0 in the constellation Hydra. It is estimated to be 198 million light years from the Milky Way .
The object was discovered by John Herschel on January 23, 1835 .