NGC 4256
| Galaxy NGC 4256 |
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|---|---|
![NGC 4256 with LEDA 213973 [1] (u)](https://de.wikipedia.org/wiki/Datei:NGC4256_-_SDSS_DR14.jpg)
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| NGC 4256 with LEDA 213973 (u) | |
| AladinLite | |
| Constellation | Dragon |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 18 m 43.86 s |
| declination | + 65 ° 53 ′ 53.69 ″ |
| Appearance | |
| Morphological type | SA (s) b: |
| Brightness (visual) | 12.1 mag |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 4.5 'x 0.8' |
| Position angle | 42 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 4256 group LGG 277 |
| Redshift | 0.008432 ± 0.000047 |
| Radial velocity | 2528 ± 14 km / s |
|
Stroke distance v rad / H 0 |
(118 ± 8) · 10 6 ly (36.2 ± 2.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 20, 1790 |
| Catalog names | |
| NGC 4256 • UGC 7351 • PGC 39568 • CGCG 315-032 • MCG + 11-15-045 • IRAS 12163 + 6610 • 2MASX J12184303 + 6553530 • 2MASX J12184305 + 6553540 • GC 2839 • H II 846 • h 1174 • NSA 141112 • WISEA J121843.08 + 655353.7 | |
NGC 4256 is a spiral galaxy of Hubble type Sb in the constellation Draco the northern sky . It is estimated to be 118 million light years from the Milky Way and about 150,000 light years across. Together with NGC 4108 , NGC 4210 , NGC 4221 , NGC 4332 , NGC 4513 and PGC 38461 , it forms the NGC 4256 group ( LGG 277 ).
The object was discovered by Wilhelm Herschel on March 20, 1790 .
NGC 4256 group ( LGG 277 )
| Galaxy | Alternative name | Distance / million Lj |
|---|---|---|
| NGC 4256 | PGC 39568 | 118 |
| NGC 4210 | PGC 39184 | 127 |
| NGC 4221 | PGC 39266 | 65 |
| NGC 4332 | PGC 40133 | 129 |
| NGC 4108 | PGC 38423 | 117 |
| NGC 4513 | PGC 41527 | 108 |
| PGC 38461 | NGC 4108B | 125 |