NGC 856
| Galaxy NGC 856 / NGC 859 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 13 m 38.3 s |
| declination | -00 ° 43 ′ 02 ″ |
| Appearance | |
| Morphological type | (R ') SA (rs) 0 / a: / BLAGN / Sy1 / 2 |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.3 ′ × 0.9 ′ |
| Position angle | 20 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.019927 +/- 0.000075 |
| Radial velocity | 5974 +/- 22 km / s |
|
Stroke distance v rad / H 0 |
(268 ± 19) · 10 6 ly (82.2 ± 5.8) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | October 3, 1886 |
| Catalog names | |
| NGC 856 • NGC 859 • UGC 1713 • PGC 8526 • CGCG 387-058 • MCG + 00-06-054 • IRAS F02110-0056 • 2MASX J02133833-0043022 • GALEX ASC J021338.33-004303.8 | |
NGC 856 = NGC 859 is a spiral galaxy with an active nucleus of the Hubble type Sa in the constellation Whale south of the ecliptic . It is estimated to be 268 million light years away from the Milky Way and has a diameter of about 105,000 ly
. a. the galaxy NGC 850 , NGC 863 , NGC 866 , NGC 868 .
The object was on 3 October 1886 by the astronomer Lewis A. Swift using a 16-inch - telescope discovered.