NGC 4253
| Galaxy NGC 4253 |
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|---|---|
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| Photo from the 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 18 m 26.5 s |
| declination | + 29 ° 48 ′ 46 ″ |
| Appearance | |
| Morphological type | (R ') SB (s) a: / Sy1.5 |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.8 mag |
| Angular expansion | 0.9 '× 0.8' |
| Position angle | 54 ° |
| Surface brightness | 12.4 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 4169 group LGG 276 |
| Redshift | 0.012929 ± 0.000053 |
| Radial velocity | 3876 ± 16 km / s |
|
Stroke distance v rad / H 0 |
(173 ± 12) · 10 6 ly (53.1 ± 3.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | February 3, 1788 |
| Catalog names | |
| NGC 4253 • UGC 7344 • PGC 39525 • CGCG 158-061 • MCG + 05-29-051 • IRAS 12159 + 3005 • KUG 1215 + 300 • 2MASX J12182648 + 2948461 • Mrk 766 • GC 2837 • H III 702 • h 1172 • GALEX ASC J121826.54 + 294847.1 • LDCE 875 NED010 • EVCC 2055 | |
NGC 4253 is a bar-shaped spiral galaxy with an active galaxy core of the Hubble type SBa in the constellation Coma Berenices in the northern sky . It is an estimated 173 million light years away from the Milky Way and about 45,000 light years across.
In the same area of the sky are the galaxies NGC 4245 , NGC 4272 , NGC 4274 , IC 779 .
The object was discovered on February 3, 1788 by the astronomer Wilhelm Herschel using his 18.7 inch telescope.
Web links
Commons : NGC 4253 - collection of images, videos, and audio files
