NGC 5489
| Galaxy NGC 5489 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | centaur |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 12 m 00.7 s |
| declination | -46 ° 05 ′ 19 ″ |
| Appearance | |
| Morphological type | SA (s) 0 ^ + |
| Brightness (visual) | 12.2 mag |
| Brightness (B-band) | 13.1 mag |
| Angular expansion | 1.5 ′ × 1.0 ′ |
| Position angle | 129 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.009907 +/- 0.000170 |
| Radial velocity | 2970 +/- 51 km / s |
|
Stroke distance v rad / H 0 |
(126 ± 9) · 10 6 ly (38.7 ± 2.8) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | July 1, 1834 |
| Catalog names | |
| NGC 5489 • PGC 50701 • ESO 271-21 • SGC 140850-4551.3 • GC 3797 • h 3559 • | |
NGC 5489 is a 12.2 mag bright spiral galaxy of the Hubble type Sa in the constellation Centaur . It is estimated to be 126 million light years from the Milky Way .
It was discovered on July 1, 1834 by John Herschel with an 18-inch reflector telescope, who noted "F, S, R, psbM, 10 arcseconds" and "eF, R, glbM, 20 arcseconds" at two observations.