IC 645
| Galaxy IC 645 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | sextant |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 50 m 09.3 s |
| declination | -06 ° 02 ′ 34 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.5 ′ × 0.4 ′ |
| Position angle | 90 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.025000 ± 0.010000 |
| Radial velocity | (7495 ± 2998) km / s |
|
Stroke distance v rad / H 0 |
(328 ± 136) · 10 6 ly (100.6 ± 41.7) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | May 3, 1893 |
| Catalog names | |
| IC 645 • PGC 2816724 • 2MASX J10500934-0602343 • | |
IC 645 is a galaxy in the constellation Sextant. It is an estimated 328 million light years from the Milky Way .
The object was discovered by Stéphane Javelle on May 3, 1893 .