IC 256
Galaxy IC 256 |
|
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AladinLite | |
Constellation | Perseus |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 02 h 49 m 40.3 s |
declination | + 46 ° 57 ′ 17 ″ |
Appearance | |
Morphological type | E / S0 o. C? |
Brightness (visual) | 16.9 mag |
Brightness (B-band) | 17.9 likes |
Angular expansion | 0.5 ′ × 0.3 ′ |
Position angle | 10 ° |
Surface brightness | 14.7 mag / arcmin² |
Physical data | |
Redshift | 0.029200 ± 0.000063 |
Radial velocity | 8754 ± 19 km / s |
Stroke distance v rad / H 0 |
(397 ± 28) · 10 6 ly (121.7 ± 8.5) Mpc |
history | |
discovery | Lewis Swift |
Discovery date | September 6, 1888 |
Catalog names | |
IC 256 • PGC 10737 • 2MASX J02494026 + 4657162 • LDCE 0201 NED013 |
IC 256 is a galaxy of Hubble type E / S0 in the constellation Perseus in the northern sky . It is estimated to be 397 million light years from the Milky Way . The latest research suggests that the galaxy observed is PGC 10729 .
The object was discovered by Lewis A. Swift on September 6, 1888 .