NGC 4908
| Galaxy NGC 4908 |
|
|---|---|
|
|
| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 00 m 54.4 s |
| declination | + 28 ° 00 ′ 27 ″ |
| Appearance | |
| Morphological type | E2 |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 0.9 ′ × 0.8 ′ |
| Position angle | 105 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 1656 |
| Redshift | 0.016658 ± 0.000040 |
| Radial velocity | 4994 ± 12 km / s |
|
Stroke distance v rad / H 0 |
(224 ± 16) · 10 6 ly (68.6 ± 4.8) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 11, 1785 |
| Catalog names | |
| NGC 4908 • UGC 8129 • PGC 44828 • CGCG 160-258 • MCG + 05-31-092 • 2MASX J13005445 + 2800271 • GC 5704 • H III 363 • GALEX ASC J130039.77 + 275526.3 • SDSS J130039.76 + 275526.0 | |
NGC 4908 is a 13.2 mag bright elliptical galaxy of the Hubble type "E2" in the constellation Haar der Berenike in the northern sky . It is an estimated 224 million light years away from the Milky Way and has a diameter of about 65,000 ly. The galaxy is considered a member of the Coma galaxy cluster , Abell 1656 .
The galaxies IC 4040 , IC 4041 , IC 4042 , IC 4051 are located in the same area of the sky .
The object was discovered by Wilhelm Herschel on April 11, 1785 .
This discovery is led differently by different historical astronomers and catalog creators. Guillaume Bigourdan and Boris Alexandrowitsch Voronzow-Veljaminow assign this observation to the galaxy IC 4051 , while John Herschel incorrectly assigns it to the galaxy NGC 4894 under "h 1510" .
Web links
- NGC 4908. SIMBAD, accessed February 21, 2015 .
- NGC 4908. DSO Browser, accessed February 21, 2015 .
- Auke Slotegraaf: NGC 4908. Deep Sky Observer's Companion, accessed on February 21, 2015 .