NGC 1287
| Galaxy NGC 1287 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 18 m 33.5 s |
| declination | -02 ° 43 ′ 51 ″ |
| Appearance | |
| Morphological type | Sa? / pec |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.8 ′ × 0.7 ′ |
| Position angle | 130 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.028636 ± 0.000080 |
| Radial velocity | 8585 ± 24 km / s |
|
Stroke distance v rad / H 0 |
(383 ± 27) · 10 6 ly (117.3 ± 8.2) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | September 20, 1784 |
| Catalog names | |
| NGC 1287 • PGC 12310 • IRAS 03160-0254 • KUG 0316-029 • 2MASX J03183347-0243510 • GC 684 • H III 195 • GALEX ASC J031833.42-024350.1 • LDCE 234 NED020 | |
NGC 1287 is a spiral galaxy of the Hubble type Sa in the constellation Eridanus in the southern sky . It is estimated to be 383 million light-years away from the Milky Way and has a diameter of about 50,000 ly
. a. the galaxies NGC 1266 , NGC 1289 , NGC 1298 , IC 314 .
The object was discovered on September 20, 1784 by the astronomer William Herschel .