IC 4864
| Galaxy IC 4864 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Octant |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 40 m 06.2 s |
| declination | -77 ° 33 ′ 29 ″ |
| Appearance | |
| Morphological type | SAB (rs) a |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.5 ′ × 0.4 ′ |
| Position angle | 176 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.020254 |
| Radial velocity | 6072 km / s |
|
Stroke distance v rad / H 0 |
(265 ± 19) · 10 6 ly (81.3 ± 5.7) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | September 22, 1900 |
| Catalog names | |
| IC 4864 • PGC 63494 • ESO 025-013 • 2MASX J19400620-7733295 • SGC 193255-7740.2 • LEDA 63494 | |
IC 4864 is a barred spiral galaxy of the Hubble type SBa in the constellation Octant in the southern sky . It is estimated to be 265 million light years away from the Milky Way and about 120,000 light years in diameter .
The object was discovered by DeLisle Stewart on September 22, 1900 .