NGC 1989
| Galaxy NGC 1989 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Dove |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 05 h 34 m 23.4 s |
| declination | -30 ° 48 ′ 04 ″ |
| Appearance | |
| Morphological type | SA (s) 0 - :; E / D |
| Brightness (visual) | 13.1 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.4 ′ × 1.1 ′ |
| Position angle | 106 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | Abell S0536 |
| Redshift | 0.035755 +/- 0.000087 |
| Radial velocity | 10719 +/- 26 km / s |
|
Stroke distance v rad / H 0 |
(471 ± 33) · 10 6 ly (144.5 ± 10.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | January 28, 1835 |
| Catalog names | |
| NGC 1989 • PGC 17464 • ESO 423-021 • MCG -05-14-004 • 2MASX J05342343-3048035 • SGC 053229-3050.0 • | |
NGC 1989 is an elliptical galaxy of the Hubble type E-S0 in the constellation Dove in the southern sky . It is estimated to be 471 million light-years away from the Milky Way and has a diameter of about 200,000 ly
. a. the galaxy NGC 1992 .
The object was discovered by John Herschel on January 28, 1835 .