NGC 3831
| Galaxy NGC 3831 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | cups |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 43 m 18.6 s |
| declination | -12 ° 52 ′ 42 ″ |
| Appearance | |
| Morphological type | SAB (r) 0+ pec Sy2 |
| Brightness (visual) | 12.7 mag |
| Brightness (B-band) | 13.6 mag |
| Angular expansion | 2.7 ′ × 0.6 ′ |
| Position angle | 23 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.017559 ± 0.000150 |
| Radial velocity | (5264 ± 45) km / s |
|
Stroke distance v rad / H 0 |
(228 ± 16) x 10 6 ly (70.0 ± 4.9) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 9, 1828 |
| Catalog names | |
| NGC 3831 • PGC 36417 • MCG -02-30-023 • 2MASX J11431859-1252419 • | |
NGC 3831 is a lenticular galaxy of the Hubble type S0-a / P in the constellation Becher. It is an estimated 228 million light years away from the Milky Way .
The object was discovered on March 9, 1828 by John Herschel .