IC 1689
| Galaxy IC 1689 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | fishes |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 23 m 47.8 s |
| declination | + 33 ° 03 ′ 19 ″ |
| Appearance | |
| Morphological type | S0: / LINER |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.90 × 0.5 |
| Position angle | 165 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC 507 group LGG 26 |
| Redshift | 0.015231 ± 0.000023 |
| Radial velocity | (4566 ± 7) km / s |
|
Stroke distance v rad / H 0 |
(210 ± 15) · 10 6 ly (64.5 ± 4.5) Mpc |
| history | |
| discovery | Stephane Javelle |
| Discovery date | November 29, 1899 |
| Catalog names | |
| IC 1689 • PGC 5108 • CGCG 502-070 • MCG + 05-04-046 • 2MASX J01234783 + 3303192 • GALEX J012347.90 + 330319.6 • LDCE 74 NED073 | |
IC 1689 is a lenticular galaxy with an active nucleus of the Hubble type S0 in the constellation Pisces on the ecliptic . It is estimated to be 210 million light years from the Milky Way and about 55,000 ly in diameter.
In the same area of the sky are u. a. the galaxies NGC 504 , NGC 507 , IC 1688 , IC 1690 .
The object was discovered by Stéphane Javelle on November 29, 1899 .