IC 3621
| Galaxy IC 3621 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 39 m 33.6 s |
| declination | + 15 ° 30 ′ 09 ″ |
| Appearance | |
| Morphological type | C / BrClG |
| Brightness (visual) | 15.4 mag |
| Brightness (B-band) | 16.4 mag |
| Angular expansion | 0.40 'x 0.4' |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.070816 ± 0.000127 |
| Radial velocity | 21,230 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(947 ± 66) · 10 6 ly (290.3 ± 20.3) Mpc |
| history | |
| discovery | Royal H. Frost |
| Discovery date | May 7, 1904 |
| Catalog names | |
| IC 3621 • PGC 3090634 • 2MASX J12393357 + 1530091 • 2MASS J12393358 + 1530094 • GALEX MSC J123933.64 + 153008.2 • NVSS J123933 + 153011 | |
IC 3621 is a compact galaxy of Hubble type C in the constellation Coma Berenices the northern sky . It is an estimated 947 million light-years from the Milky Way and about 115,000 light-years across .
In the same area of the sky are u. a. the galaxies NGC 4595 , IC 3601 , IC 3603 , IC 3622 .
The object was discovered by Royal Harwood Frost on May 7, 1904 .