NGC 2293
| Galaxy NGC 2293 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Big dog |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 06 h 47 m 42.9 s |
| declination | -26 ° 45 ′ 16 ″ |
| Appearance | |
| Morphological type | SAB (s) 0+ pec |
| Brightness (visual) | 11.2 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 4 ′ × 3.2 ′ |
| Position angle | 125 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 2280 group LGG 138 |
| Redshift | 0.006795 ± 0.000020 |
| Radial velocity | 2037 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(82 ± 6) · 10 6 ly (25.2 ± 1.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | January 20, 1835 |
| Catalog names | |
| NGC 2293 • PGC 19619 • ESO 490-G049 • MCG -04-16-023 • 2MASX J06474291-2645156 • SGC 064542-2641.8 • VV 178a • GC 1459 • h 3063 • LDCE 0483 NED013 | |
NGC 2293 is a lenticular galaxy of the Hubble type SB0-a and is located in the constellation Great Dog in the southern sky . It is estimated to be 82 million light years from the Milky Way . Together with NGC 2292 and NGC 2295 , it forms a gravitationally bound galaxy triplet.
The object was discovered by John Herschel on January 20, 1835 .