NGC 4158
| Galaxy NGC 4158 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 11 m 10.1 s |
| declination | + 20 ° 10 ′ 32 ″ |
| Appearance | |
| Morphological type | SA (r) b: |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.0 '× 1.8' |
| Position angle | 78 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.008199 ± 0.000023 |
| Radial velocity | 2458 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(108 ± 8) · 10 6 ly (33.2 ± 2.3) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | April 27, 1785 |
| Catalog names | |
| NGC 4158 • UGC 7182 • PGC 38802 • CGCG 098-084 • MCG + 03-31-060 • IRAS 12086 + 2027 • 2MASX J12111016 + 2010327 • GC 2762 • H II 405 • h 1115 • GALEX ASC J121110.10 + 201031.9 • EVCC 139 | |
NGC 4158 is a spiral galaxy of Hubble type Sb in the constellation Coma Berenices the northern sky . It is estimated to be 108 million light-years away from the Milky Way and about 65,000 light-years across.
The object was discovered on April 27, 1785 by the astronomer Wilhelm Herschel using his 18.7-inch reflector telescope.