IC 2689
| Galaxy IC 2689 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | lion |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 17 m 19.5 s |
| declination | + 12 ° 57 ′ 36 ″ |
| Appearance | |
| Brightness (visual) | 15.2 mag |
| Brightness (B-band) | 16.0 mag |
| Angular expansion | 0.5 ′ × 0.1 ′ |
| Position angle | 45 ° |
| Surface brightness | 11.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.020135 ± 0.000095 |
| Radial velocity | 6036 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(266 ± 19) · 10 6 ly (81.5 ± 5.7) Mpc |
| diameter | 50,000 ly |
| history | |
| discovery | Max Wolf |
| Discovery date | March 27, 1906 |
| Catalog names | |
| IC 2689 • PGC 1419739 • | |
IC 2689 is a spiral galaxy in edge position of the Hubble type Sc? in the constellation Leo on the ecliptic . It is around 280 million light years away from the Milky Way and has a diameter of around 50,000 light years . It forms an optical double with IC 2690 in the sky.
The object was discovered by Max Wolf on March 27, 1906 .