NGC 4949
| Galaxy NGC 4949 |
|
|---|---|
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|
| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 13 h 04 m 17.9 s |
| declination | + 29 ° 01 ′ 46 ″ |
| Appearance | |
| Morphological type | Sb |
| Brightness (visual) | 14.9 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.6 ′ × 0.3 ′ |
| Position angle | 108 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation | Coma galaxy clusters ? |
| Redshift | 0.022800 +/- 0.000063 |
| Radial velocity | 6835 +/- 19 km / s |
|
Stroke distance v rad / H 0 |
(306 ± 22) x 10 6 ly (93.9 ± 6.6) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 19, 1865 |
| Catalog names | |
| NGC 4949 • PGC 45161 • GC 5715 • GALEX ASC J130417.94 + 290145.7 | |
NGC 4949 is a 14.9 mag bright bar-spiral galaxy of the Hubble type "SBb" in the constellation Haar der Berenike in the northern sky . It is estimated to be 306 million light years away from the Milky Way and has a diameter of around 55,000 ly.
In the same area of the sky are the galaxies NGC 4952 , NGC 4966 , IC 843 , IC 4088 .
The object was discovered by Heinrich Louis d'Arrest on April 19, 1865 .