IC 243
| Galaxy IC 243 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 38 m 32.1 s |
| declination | -06 ° 54 ′ 08 ″ |
| Appearance | |
| Morphological type | (R ') SB (rs) 0 / a |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1.2 ′ × 0.8 ′ |
| Position angle | 30 ° |
| Surface brightness | 14.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.024073 +/- 0.000130 |
| Radial velocity | 7217 +/- 39 km / s |
|
Stroke distance v rad / H 0 |
(322 ± 23) x 10 6 ly (98.7 ± 6.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | September 29, 1886 |
| Catalog names | |
| IC 243 • PGC 10009 • MCG -01-07-026 • 2MASX J02383216-0654076 • | |
IC 243 is a lenticular galaxy of the Hubble type SB0-a in the constellation Whale in the southern sky . It is an estimated 322 million light years from the Milky Way .
The object was discovered by Lewis A. Swift on September 29, 1886 .