NGC 856
Galaxy NGC 856 / NGC 859 |
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SDSS recording | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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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.