NGC 3257
| Galaxy NGC 3257 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Air pump |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 28 m 47.1 s |
| declination | -35 ° 39 ′ 29 ″ |
| Appearance | |
| Morphological type | SAB (s) 0- |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1 ′ × 0.9 ′ |
| Position angle | 0 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 203 |
| Redshift | 0.010674 ± 0.000087 |
| Radial velocity | (3200 ± 26) km / s |
|
Stroke distance v rad / H 0 |
(133 ± 9) x 10 6 ly (40.9 ± 2.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | May 2, 1834 |
| Catalog names | |
| NGC 3257 • PGC 30849 • ESO 375-036 • MCG -06-23-031 • 2MASX J10284710-3539289 • LDCE 0729 NED078 | |
NGC 3257 is a lenticular galaxy of the Hubble type E-SB0 in the constellation Air Pump in the southern sky . It is estimated to be 133 million light years from the Milky Way .
The object was discovered by John Herschel on May 2, 1834 .