NGC 4919
Galaxy NGC 4919 |
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Image of the galaxy NGC 4919 with the help of the 81 cm reflecting telescope of the Mount Lemmon Observatory | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 13 h 01 m 17.6 s |
declination | + 27 ° 48 ′ 33 ″ |
Appearance | |
Morphological type | (R ') SA (r) 0 ^ 0 ^ |
Brightness (visual) | 14.0 mag |
Brightness (B-band) | 15.0 mag |
Angular expansion | 1.1 ′ × 0.7 ′ |
Position angle | 140 ° |
Surface brightness | 13.6 mag / arcmin² |
Physical data | |
Affiliation | Coma Galaxy Cluster Abell 1656 |
Redshift | 0.024464 +/- 0.000028 |
Radial velocity | 7334 +/- 8 km / s |
Stroke distance v rad / H 0 |
(328 ± 23) x 10 6 ly (100.7 ± 7.0) Mpc |
history | |
discovery | Heinrich d'Arrest |
Discovery date | May 5, 1864 |
Catalog names | |
NGC 4919 • UGC 8133 • PGC 44885 • CGCG 160-094 • MCG + 05-31-097 • GC 5708 • LDCE 0926 NED060 |
NGC 4919 is a 14.0 likes bright galaxy from the Hubble type S0 in the constellation Coma Berenices , which is about 328 million light-years from the Milky Way's center. It belongs to the Coma galaxy cluster and was discovered on May 5, 1864 by Heinrich Louis d'Arrest , who noted "very faint, very small, second of four". The other three objects, NGC 4911 , NGC 4921 and NGC 4923 , had already been discovered by Wilhelm Herschel in 1785 .