NGC 4278
| Galaxy NGC 4278 |
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|---|---|
![NGC 4278 [1] Hubble Space Telescope](https://de.wikipedia.org/wiki/Datei:Ngc4278-hst-R850GB475.jpg)
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| NGC 4278 Hubble Space Telescope | |
| AladinLite | |
| Constellation | Berenike's hair |
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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 |
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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
Commons : NGC 4278 - collection of images, videos, and audio files
