Article

Read

NGC 637

from Wikipedia, the free encyclopedia
Open star cluster
NGC 637
DSS-Aufnahme
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

  1. NASA/IPAC EXTRAGALACTIC DATABASE
  2. a b SEDS: NGC 637
  3. 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.
  4. Seligman