NGC 4278
Galaxy NGC 4278 |
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NGC 4278 Hubble Space Telescope | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 20 m 06.8242 s |
declination | + 29 ° 16 ′ 50.722 ″ |
Appearance | |
Morphological type | E1-2 / LINER / Sy1 |
Brightness (visual) | 10.1 mag |
Brightness (B-band) | 11.1 mag |
Angular expansion | 4.1 ′ × 3.8 ′ |
Surface brightness | 13.1 mag / arcmin² |
Physical data | |
Affiliation | Coma-I group WBL 399 NGC 4274 group LGG |
Redshift | 0.002068 ± 0.000017 |
Radial velocity | 620 ± 5 km / s |
Stroke distance v rad / H 0 |
(28 ± 2) x 10 6 ly (8.48 ± 0.60) Mpc |
history | |
discovery | William Herschel |
Discovery date | March 13, 1785 |
Catalog names | |
NGC 4278 • UGC 7386 • PGC 39764 • CGCG 158-077 • MCG + 05-29-062 • IRAS 12175 + 2933 • 2MASX J12200679 + 2916502 • GC 2855 • H II 322 / I 90 • h 1186 • GALEX ASC J122006.74 +291651.3 • Holm 369A • LDCE 867 NED101 |
NGC 4278 is an elliptical galaxy with an active nucleus of the Hubble type E1 in the constellation Haar der Berenike in the northern sky . It is estimated to be 28 million light years from the Milky Way and about 30,000 light years across. With NGC 4283 it forms the (optical?) Galaxy pair Holm 369 . Together with 18 other galaxies, it belongs to the NGC 4274 group ( LGG 279 ) and is considered a member of the Coma galaxy cluster .
In the same area of the sky are u. a. the galaxies NGC 4274 , NGC 4286 , NGC 4310 , NGC 4338 .
The object was discovered by William Herschel on March 13, 1785 .
Web links
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