IC 688
| Galaxy IC 688 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | cups |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 11 h 23 m 40.2 s |
| declination | -09 ° 47 ′ 44 ″ |
| Appearance | |
| Morphological type | S. |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.7 ′ × 0.3 ′ |
| Position angle | 110 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.005494 ± 0.000087 |
| Radial velocity | (1647 ± 26) km / s |
|
Stroke distance v rad / H 0 |
(67 ± 5) · 10 6 ly (20.5 ± 1.5) Mpc |
| history | |
| discovery | Ormond Stone |
| Discovery date | January 9, 1889 |
| Catalog names | |
| IC 688 • PGC 156572 • KUG 121-095 • 2MASX J11264427 + 5909197 • LDCE 0810 NED002 | |
IC 688 is a galaxy of Hubble type S in the constellation cup. It is estimated to be 67 million light years from the Milky Way .
The object was discovered on January 9, 1889 by the astronomer Ormond Stone .