NGC 3149
| Galaxy NGC 3149 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | chameleon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 03 m 44.1 s |
| declination | -80 ° 25 ′ 18 ″ |
| Appearance | |
| Morphological type | (R ') SA (rs) b |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 2 ′ × 1.9 ′ |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.006718 ± 0.000010 |
| Radial velocity | 2014 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(81 ± 6) · 10 6 ly (24.9 ± 1.7) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 24, 1835 |
| Catalog names | |
| NGC 3149 • PGC 29171 • ESO 019-001 • IRAS 10043-8010 • 2MASX J10034406-8025178 • SGC 100421-8010.7 • HIPASS J1003-80 | |
NGC 3149 is a spiral galaxy of Hubble type Sb in the constellation Chameleon on southern sky . It is estimated to be 81 million light years from the Milky Way and about 50,000 light years in diameter.
The object was discovered on February 24, 1835 by the astronomer John Herschel .