NGC 4905
| Galaxy NGC 4905 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 01 m 30.7 s |
| declination | -30 ° 52 ′ 06 ″ |
| Appearance | |
| Morphological type | SB (s) 0+ pec |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.8 ′ × 1.1 ′ |
| Position angle | 26 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 324 |
| Redshift | 0.017649 +/- 0.000019 |
| Radial velocity | 5291 +/- 6 km / s |
|
Stroke distance v rad / H 0 |
(230 ± 16) x 10 6 ly (70.4 ± 4.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 30, 1835 |
| Catalog names | |
| NGC 4905 • PGC 44902 • ESO 443-G031 • MCG -05-31-015 • SGC 125846-3036.0 • GC 3360 • h 3451 • LDCE 0935 NED007 | |
NGC 4905 is a 13.4 mag bright, lens-shaped galaxy of the Hubble-type SB0-a in the constellation of the Centaur , about 230 million light-years away from the Milky Way.
It was discovered on March 30, 1835 by John Herschel with an 18-inch reflector telescope, which it marked with “vF, R, 30 arcseconds, attached to a star; the following of two ”. The second object mentioned is NGC 4903 .