IC 3621
Galaxy IC 3621 |
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SDSS recording | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .