IC 4660
| Galaxy IC 4660 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Little Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 17 h 21 m 45.2 s |
| declination | + 75 ° 50 ′ 55 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.3 ′ × 0.3 ′ |
| Position angle | 170 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 410 |
| Redshift | 0.004146 +/- 0.000013 |
| Radial velocity | 1243 +/- 4 km / s |
|
Stroke distance v rad / H 0 |
(64 ± 5) · 10 6 ly (19.6 ± 1.4) Mpc |
| history | |
| discovery | Isaac Roberts |
| Discovery date | September 11, 1895 |
| Catalog names | |
| IC 4660 • UGC 10848 • PGC 60124 • CGCG 355-032 • MCG + 13-12-023 • IRAS 19296 + 3546 • 2MASX J17214521 + 7550552 • | |
IC 4660 is a galaxy of Hubble type S? in the constellation Little Bear. It is estimated to be 64 million light years from the Milky Way .
The object was discovered by astronomer Isaac Roberts on September 11, 1895 .