NGC 7489
| Galaxy NGC 7489 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Pegasus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 07 m 32.7 s |
| declination | + 22 ° 59 ′ 53 ″ |
| Appearance | |
| Morphological type | Sd |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 2.1 ′ × 1.1 ′ |
| Position angle | 170 ° |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.020811 ± 0.000030 |
| Radial velocity | 6239 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(287 ± 20) x 10 6 ly (88.0 ± 6.2) Mpc |
| history | |
| discovery | William Lassell |
| Discovery date | September 14, 1863 |
| Catalog names | |
| NGC 7489 • UGC 12378 • PGC 70532 • CGCG 475-038 • MCG + 04-54-028 • IRAS 23050 + 2243 • 2MASX J23073271 + 2259527 • NSA 150665 | |
NGC 7489 is a spiral galaxy of Hubble type Scd in the constellation Pegasus at the northern sky . It is estimated to be 289 million light-years away from the Milky Way and has a diameter of about 175,000 ly
. a. the galaxy IC 5285 .
The object was discovered by William Lassell on September 14, 1863 .