IC 621
| Galaxy IC 621 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | sextant |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 33 m 21.0 s |
| declination | + 02 ° 36 ′ 58 ″ |
| Appearance | |
| Morphological type | SBb |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 0.4 ′ × 0.3 ′ |
| Position angle | 90 ° |
| Surface brightness | 11.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.029437 +/- 0.000067 |
| Radial velocity | 8825 +/- 20 km / s |
|
Stroke distance v rad / H 0 |
(388 ± 27) · 10 6 ly (119.1 ± 8.3) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | April 7, 1893 |
| Catalog names | |
| IC 621 • PGC 31196 • CGCG 037-074 • 2MASX J10332103 + 0236582 • | |
IC 621 is an elliptical galaxy of Hubble type E3 in the constellation Sextant south of the celestial equator . It is estimated to be 388 million light years from the Milky Way and about 45,000 light years in diameter.
The object was discovered on April 7, 1893 by Stéphane Javelle .