NGC 2256
Galaxy NGC 2256 |
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AladinLite | |
Constellation | giraffe |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 06 h 47 m 14.0 s |
declination | + 74 ° 14 ′ 12 ″ |
Appearance | |
Morphological type | SAB0-? |
Brightness (visual) | 12.6 mag |
Brightness (B-band) | 13.6 mag |
Angular expansion | 2.3 ′ × 2 ′ |
Position angle | 72 ° |
Surface brightness | 14.3 mag / arcmin² |
Physical data | |
Redshift | 0.017519 ± 0.000193 |
Radial velocity | 5252 ± 58 km / s |
Stroke distance v rad / H 0 |
(240 ± 17) x 10 6 ly (73.7 ± 5.2) Mpc |
history | |
discovery | Wilhelm Temple |
Discovery date | August 1, 1883 |
Catalog names | |
NGC 2256 • UGC 3519 • PGC 19602 • CGCG 330-014 • MCG + 12-07-015 • 2MASX J06471396 + 7414114 • GALEX ASC J064714.16 + 741408.1 • LDCE 459 NED008 |
NGC 2256 is a lenticular galaxy of the Hubble type E / SB0 in the constellation Giraffe in the northern sky . It is estimated to be 240 million light years away from the Milky Way and has a diameter of around 125,000 ly.
In the same area of the sky is the galaxy NGC 2258 .
The object was discovered on August 1, 1883 by Ernst Wilhelm Leberecht Tempel .