NGC 635
| Galaxy NGC 635 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 38 m 17.86 s |
| declination | -22 ° 55 ′ 44.1 ″ |
| Appearance | |
| Morphological type | Sb (s) ab / HII |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.3 mag |
| Angular expansion | 0.5 ′ × 0.5 ′ |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.046732 ± 0.000150 |
| Radial velocity | 14,010 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(625 ± 44) · 10 6 ly (191.6 ± 13.4) Mpc |
| history | |
| discovery | Francis P. Leavenworth |
| Discovery date | October 15, 1885 |
| Catalog names | |
| NGC 635 • PGC 6062 • MCG -04-05-002 • IRAS 01359-2310 • 2MASX J01381784-2255440 • WISEA J013817.92-225544.0 • NVSS J013818-225539 | |
NGC 635 is a spiral galaxy with extensive areas of Hubble-type Sb star formation in the constellation Whale south of the ecliptic . It is an estimated 625 million light years from the Milky Way and about 95,000 light years in diameter.
The object was discovered on October 15, 1885 by the American astronomer Francis Preserved Leavenworth .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf : NGC 635. Deep Sky Observer's Companion, accessed September 4, 2015 .