NGC 2947
| Galaxy NGC 2947 / IC 547 / IC 2494 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 36 m 05.8 s |
| declination | -12 ° 26 ′ 12 ″ |
| Appearance | |
| Morphological type | SAB (r) bc |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.5 '× 1.4' |
| Position angle | 25 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.009356 ± 0.000020 |
| Radial velocity | 2805 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(117 ± 8) x 10 6 ly (35.9 ± 2.5) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | May 6, 1886 |
| Catalog names | |
| NGC 2947 • IC 547 • IC 2494 • PGC 27309 • MCG -02-25-004 • IRAS 09336-1212 • 2MASX J09360583-1226120 • GALEX ASC J093605.83-122611.5 • LDCE 657 NED003 | |
NGC 2947 = IC 547 = IC 2494 is a bar-spiral galaxy of the Hubble type SBbc in the constellation Hydra south of the ecliptic . It is estimated to be 117 million light years from the Milky Way and about 50,000 light years in diameter.
The property was discovered by Francis Preserved Leavenworth on May 6, 1886 .