NGC 637
|
|
| DSS recording | |
| AladinLite | |
| Constellation | Cassiopeia |
|
Position equinox : J2000.0 |
|
|---|---|
| Right ascension | 01 h 43 m 03.1 s |
| declination | + 64 ° 02 ′ 12 ″ |
| Appearance
|
|
| Brightness (visual) | 8.2 likes |
| Angular expansion | 3 |
| Physical data
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|
| Affiliation | Milky Way |
| distance | 7045 ly (2160 pc ) |
| history | |
| Discovered by | William Herschel |
| Discovery time | November 9, 1787 |
| Catalog names | |
| NGC 637 • OCl 329 • Cr 17 • Lund 51 • GC 378 • H VII 49 • | |
NGC 637 is an open star cluster in the constellation Cassiopeia , which was observed by William Herschel in 1787 .
Individual evidence
- ↑ NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b SEDS : NGC 637
- ↑ Kharchenko, NV; Piskunov, AE; Röser, S .; Schilbach, E .; Scholz, R.-D .: Astrophysical parameters 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