NGC 637
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DSS recording | |
AladinLite | |
Constellation | Cassiopeia |
Position Equinox: J2000.0 |
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Right ascension | 01h 43m 03,1s [1] |
Declination | +64° 02′ 12″ [1] |
Appearance
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Brightness (visual) | 8.2 mag [2] |
Angular expansion | 3 [2] |
Physical data
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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