NGC 89
| Galaxy data from NGC 89 |
|
|---|---|
 |
|
| Roberts Quartet consisting of NGC 87 (top right), NGC 88 (middle), NGC 89 (bottom) and NGC 92 (top left). | |
| AladinLite | |
| Constellation | Phoenix |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 21 m 24.3 s |
| declination | -48 ° 39 ′ 55 ″ |
| Appearance | |
| Morphological type | SB (s) 0 / a? pec LINER |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.2 mag |
| Angular expansion | 1.2 ′ × 0.6 ′ |
| Position angle | 148 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | Roberts Quartet |
| Redshift | 0.010964 ± 0.000033 |
| Radial velocity | 3287 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(144 ± 10) · 10 6 ly (44.1 ± 3.1) Mpc |
| history | |
| discovery | JFW Herschel |
| Discovery date | September 30, 1834 |
| Catalog names | |
| NGC 89 • PGC 1374 • ESO 194-11 • 2MASX J00212435-4839552 • SGC 001857-4856.6 • GC 45 • h 2318 • AM 0018-485 | |
NGC 89 is a lenticular galaxy in the constellation Phoenix . It is about 144 million light years away from the Milky Way , with a diameter of about 55,000 light years. NGC 89 is part of a galaxy group called the Roberts Quartet , which also includes NGC 87 , NGC 88, and NGC 92 .
discovery
The galaxy NGC 89 was discovered on September 30, 1834 by the British astronomer John Frederick William Herschel .