NGC 2991
| Galaxy NGC 2991 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 46 m 50.1 s |
| declination | + 22 ° 00 ′ 50 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.5 likes |
| Angular expansion | 1.40 ′ × 1.1 ′ |
| Position angle | 138 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Redshift | 0.024867 ± 0.000097 |
| Radial velocity | (7455 ± 29) km / s |
|
Stroke distance v rad / H 0 |
(330 ± 23) x 10 6 ly (101.1 ± 7.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | February 24, 1827 |
| Catalog names | |
| NGC 2991 • UGC 5233 • PGC 28079 • CGCG 122-078 NED02 • MCG + 04-23-033 • 2MASX 09465011 + 2200504 • KPG 214B | |
NGC 2991 is a lenticular galaxy of the Hubble type S0 in the constellation Leo on the ecliptic . It is an estimated 330 million light years from the Milky Way .
The object was discovered by John Herschel on February 24, 1827 .
Web links
Commons : NGC 2991 - collection of images, videos, and audio files
