IC 638
| Galaxy IC 638 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 43 m 48.0 s |
| declination | + 15 ° 53 ′ 43 ″ |
| Appearance | |
| Morphological type | S / LINER |
| Brightness (visual) | 14.6 mag |
| Brightness (B-band) | 15.4 mag |
| Angular expansion | 0.6 ′ × 0.2 ′ |
| Position angle | 5 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.039585 ± 0.000085 |
| Radial velocity | 11,867 ± 25 km / s |
|
Stroke distance v rad / H 0 |
(526 ± 37) · 10 6 ly (161.4 ± 11.3) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | December 16, 1893 |
| Catalog names | |
| IC 638 • PGC 31988 • CGCG 094-117 • 095-004 • IRAS 10411 + 1609 • 2MASX J10434797 + 1553431 • Mrk 632 • GALEX ASC J104347.99 + 155342.9 | |
IC 638 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 526 million light years away from the Milky Way and has a diameter of about 95,000 ly.
In the same area of the sky there are u. a. the galaxies NGC 3346 , IC 635 , IC 637 .
The object was discovered by Stéphane Javelle on December 16, 1893 .