IC 4890
| Galaxy IC 4890 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 45 m 35.4 s |
| declination | -56 ° 32 ′ 44 ″ |
| Appearance | |
| Morphological type | SB (rs) c |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1.10 × 0.9 |
| Position angle | 75 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.017477 ± 0.000027 |
| Radial velocity | (5239 ± 8) km / s |
|
Stroke distance v rad / H 0 |
(231 ± 16) x 10 6 ly (70.9 ± 5) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | October 3, 1901 |
| Catalog names | |
| IC 4890 • PGC 63631 • ESO 185-016 • IRAS F19414-5640 • 2MASX J19453547-5632435 • SGC 194130-5640.0 • HIPASS J1945-56 | |
IC 4890 is a bar-spiral galaxy of the Hubble type SBb in the constellation Telescope in the southern sky . It is estimated to be 231 million light years from the Milky Way and about 75,000 light years in diameter.
The object was discovered by DeLisle Stewart on October 3, 1901 .