NGC 2854
| Galaxy NGC 2854 |
|
|---|---|
|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Big Bear |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 24 m 03.1 s |
| declination | + 49 ° 12 ′ 15 ″ |
| Appearance | |
| Morphological type | SB (s) b |
| Brightness (visual) | 13.0 likes |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 1.6 ′ × 0.6 ′ |
| Position angle | 50 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 221-001 |
| Redshift | 0.009243 ± 0.000037 |
| Radial velocity | (2771 ± 11) km / s |
|
Stroke distance v rad / H 0 |
(125 ± 9) · 10 6 ly (38.4 ± 2.7) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | March 9, 1788 |
| Catalog names | |
| NGC 2854 • UGC 4995 • PGC 26631 • CGCG 238-046 • MCG + 08-17-092 • IRAS 09206 + 4925 • KUG 0920 + 494A • 2MASX J09240315 + 4912156 • Arp 285 • GC 1833 • H III 714 • h 589 • GALEX ASC J092403.06 + 491214.2 • LDCE 0641 NED001 | |
NGC 2854 is a barred spiral galaxy of the Hubble type SBb in the constellation Great Bear in the northern sky . It is estimated to be 125 million light years away from the Milky Way and has a diameter of around 60,000 ly. Together with NGC 2856 , it forms the bound galaxy pair Arp 285 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy pair belongs to the class double galaxies with inflow and attraction .
In the same area of the sky there is still u. a. the galaxy NGC 2857 .
The object was discovered by Wilhelm Herschel on March 9, 1788 .
Web links
Commons : NGC 2854 - collection of images, videos, and audio files