IC 637
| Galaxy IC 637 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 42 m 21.9 s |
| declination | + 15 ° 21 ′ 35 ″ |
| Appearance | |
| Morphological type | S / LINER |
| Brightness (visual) | 14.2 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 1 ′ × 0.5 ′ |
| Position angle | 15 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.049126 ± 0.000162 |
| Radial velocity | 14,728 ± 49 km / s |
|
Stroke distance v rad / H 0 |
(654 ± 46) · 10 6 ly (200.5 ± 14.1) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | January 15, 1894 |
| Catalog names | |
| IC 637 • PGC 31900 • CGCG 094-107 • 2MASX J10422188 + 1521346 • GALEX ASC J104221.94 + 152133.1 | |
IC 637 is a spiral galaxy with an active nucleus of the Hubble type S in the constellation Leo on the ecliptic . It is estimated to be 291 million light years from the Milky Way and about 140,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 3346 , IC 635 , IC 638 .
The object was discovered by Stéphane Javelle on January 15, 1894 .