NGC 1154
| Galaxy NGC 1154 |
|
|---|---|
|
|
| HOLM 64 | |
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 58 m 07.7 s |
| declination | -1021 ° 48 ′ |
| Appearance | |
| Morphological type | SB / HII |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1 ′ × 0.8 ′ |
| Position angle | 124 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.015517 ± 0.000113 |
| Radial velocity | 4652 ± 34 km / s |
|
Stroke distance v rad / H 0 |
(206 ± 15) · 10 6 ly (63.3 ± 4.5) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | December 15, 1876 |
| Catalog names | |
| NGC 1154 • PGC 11221 • MCG -02-08-034 • 2MASX J02580766-1021479 • GALEX ASC J025807.70-102147.1 • HOLM 064A • LDCE 213 NED002 | |
NGC 1154 is a bar-spiral galaxy with extensive star formation areas of the Hubble type SB in the constellation Eridanus in the southern sky . It is estimated to be 206 million light years away from the Milky Way and has a diameter of around 60,000 ly. Together with NGC 1155 , it forms the gravitationally bound galaxy pair Holm 64 .
The object was discovered on December 15, 1876 by the astronomer Édouard Stephan .