IC 4856
| Galaxy IC 4856 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | telescope |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 19 h 27 m 30.5 s |
| declination | -54 ° 54 ′ 31 ″ |
| Appearance | |
| Morphological type | IB (s) m |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.3 ′ × 0.6 ′ |
| Position angle | 33 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 6753 group LGG 426 |
| Redshift | 0.011055 ± 0.000030 |
| Radial velocity | 3314 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(145 ± 10) · 10 6 ly (44.6 ± 3.1) Mpc |
| history | |
| discovery | DeLisle Stewart |
| Discovery date | 17th September 1901 |
| Catalog names | |
| IC 4856 • PGC 63226 • ESO 184-069 • IRAS F19234-5500 • SGC 192328-5500.6 • GALEX ASC J192730.86-545426.1 • HIPASS J1927-54 | |
IC 4856 is an irregular galaxy of the Hubble type IBm in the constellation Telescopium in the southern sky . It is estimated to be 145 million light years from the Milky Way and about 60,000 light years across .
In the same area of the sky is u. a. the galaxy NGC 6788 .
The object was discovered by DeLisle Stewart on September 17, 1901 .