NGC 637
|
|
| DSS recording | |
| AladinLite | |
| Constellation | Cassiopeia |
| Position Equinox: J2000.0 |
|
|---|---|
| Right ascension | 01h 43m 03,1s [1] |
| Declination | +64° 02′ 12″ [1] |
| Appearance
|
|
| Brightness (visual) | 8.2 mag [2] |
| Angular expansion | 3 [2] |
| Physical data
|
|
| Affiliation | Milky Way |
| Removal[3] | 7045 Lj (2160 pc) |
| History | |
| Discovered by | William Herschel |
| Discovery Time | 9. November 1787 |
| Catalog designations | |
| NGC 637 – OCl 329 – Cr 17 – Lund 51 – GC 378 – H VII 49 – | |
NGC 637 is an open star cluster in the constellation Cassiopeia in the northern starry sky.
The object was discovered in 1787 by William Herschel.[4]
Individual references
- ↑ NASA/IPAC EXTRAGALACTIC DATABASE
- ↑ a b SEDS: NGC 637
- ↑ Kharchenko, N. V.; Piskunov, A. E.; Röser, S.; Schilbach, E.; Scholz, R.-D.: Astrophysicalparameters of Galactic open clusters. In: Astronomy and Astrophysics. 438, no. 3, August 2005, pp. 1163-1173. arxiv:astro-ph/0501674. bibcode:2005A&A…438.1163K.doi:10.1051/0004-6361:20042523.
- ↑ Seligman
Categories
- Cassiopeia (constellation)
- Astronomical object (discovered 1787)
- Individual open star cluster
- Open star cluster in the NGC catalog