NGC 4159
| Galaxy NGC 4159 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dragon |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 10 m 53.62 s |
| declination | + 76 ° 07 ′ 33.1 ″ |
| Appearance | |
| Morphological type | Sdm / HII |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.3 ′ × 0.5 ′ |
| Position angle | 35 ° |
| Surface brightness | 12.9 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 4291 group NGC 4386 group NGC 4589 group LGG 284 |
| Redshift | 0.005791 ± 0.000137 |
| Radial velocity | (1736 ± 41) km / s |
|
Stroke distance v rad / H 0 |
(84 ± 6) · 10 6 ly (25.7 ± 1.9) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | December 12, 1797 |
| Catalog names | |
| NGC 159 • UGC 7174 • PGC 38777 • CGCG 352-022 • MCG + 13-09-015 • IRAS 12085 + 7624 • 2MASX J12105363 + 7607329 • GC 2763 • H III 941 • h 1116 • WISEA J121053.63 + 760733.2 • NVSS J121053 + 760744 | |
NGC 4159 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Giraffe in the northern sky . It is an estimated 84 million light years from the Milky Way and about 30,000 light years across. It is a member of the eleven galaxies NGC 4589 group ( LGG 284 ).
The object was discovered by Wilhelm Herschel on December 12, 1797 .