NGC 1331
| Galaxy NGC 1331 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 03 h 26 m 28.3 s |
| declination | -21 ° 21 ′ 19 ″ |
| Appearance | |
| Morphological type | E2: |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 3 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Affiliation |
Eridanus Group LGG 97 |
| Redshift | +0.004386 ± 0.000330 |
| Radial velocity | 1211 ± 23 km / s |
|
Stroke distance v rad / H 0 |
(50 ± 4) x 10 6 ly (15.4 ± 1.1) Mpc |
| diameter | 15,000 ly |
| history | |
| discovery | William Herschel |
| Discovery date | December 19, 1799 |
| Catalog names | |
| NGC 1331 • IC 324 • PGC 12846 • ESO 548-019 • MCG -04-09-012 • 2MASX J03262835-2121203 • SGC 032415-2131.8 • GC 708 • H III 959 • GALEX ASC J032628.46-212118.7 • LDCE 251 NED010 | |
NGC 1331 = IC 324 is an elliptical galaxy of the Hubble type E2 in the constellation Eridanus in the southern sky . It is estimated to be 50 million light years away from the Milky Way and about 15,000 light years in diameter .
In the same area of the sky are u. a. the galaxies NGC 1319 , NGC 1325 , NGC 1332 , IC 1928 .
The object was discovered by the astronomer William Herschel on December 19, 1799 (listed as NGC 1331 ) and rediscovered on December 3, 1888 by Guillaume Bigourdan (listed as IC 324 ).