IC 4621
| Galaxy IC 4621 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Hercules |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 16 h 50 m 51.173 s |
| declination | + 08 ° 47 ′ 01.25 ″ |
| Appearance | |
| Morphological type | Sab |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.90 'x 0.7' |
| Position angle | 122 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.031535 ± 0.000063 |
| Radial velocity | 9454 ± 19 km / s |
|
Stroke distance v rad / H 0 |
(427 ± 30) x 10 6 ly (130.9 ± 9.2) Mpc |
| history | |
| discovery | Hermann Kobold |
| Discovery date | May 15, 1890 |
| Catalog names | |
| IC 4621 • UGC 10576 • PGC 59104 • CGCG 053-015 • MCG + 01-43-004 • IRAS 16484 + 0852 • 2MASX J16505118 + 0847019 • NVSS J165051 + 084704 | |
IC 4621 is a spiral galaxy of Hubble type Sab in the constellation Hercules at the northern sky . It is an estimated 427 million light years from the Milky Way and about 115,000 light years in diameter.
The object was discovered by Hermann Kobold on May 15, 1890 .