NGC 685
| Galaxy NGC 685 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 47 m 42.8 s |
| declination | -52 ° 45 ′ 43 ″ |
| Appearance | |
| Morphological type | SB (rs) d |
| Brightness (visual) | 11.2 mag |
| Brightness (B-band) | 11.9 likes |
| Angular expansion | 3.6 ′ × 3.1 ′ |
| Position angle | 74 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.004546 ± 0.000010 |
| Radial velocity | 1363 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(56 ± 4) · 10 6 ly (17.2 ± 1.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 3, 1834 |
| Catalog names | |
| NGC 685 • PGC 6581 • ESO 152-24 • IRAS 01458-5300 • 2MASX J01474280-5245423 • SGC 014549-5300.6 • GC 407 • h 2438 • HIPASS J0147-52 • 2MIG 200 | |
NGC 685 is a bar-spiral galaxy in the constellation Eridanus in the southern sky. It is estimated to be 56 million light years away from the Milky Way and approximately 60,000 light years in diameter.
The object was discovered by John Herschel on October 3, 1834 .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 685. Deep Sky Observer's Companion, accessed on September 15, 2015 .