NGC 6208

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NGC 6208
NGC 6208.png
NGC 6208 (taken from Stellarium)
Observation data (J2000 epoch)
Right ascension 16h 49m 28.(0)s [1]
Declination −53° 43′ 4(2)″ [1]
Distance 3,060  ly (939  pc) [2]
Apparent magnitude  (V)7.2 [3]
Apparent dimensions (V)18′ [3]
Physical characteristics
Estimated age1.17 [4]  Gyr
Other designations C1645-537, Collinder 313, VDBH 198
Associations
Constellation Ara
See also: Open cluster, List of open clusters
Map showing the location of NGC 6208 NGC 6208 map.png
Map showing the location of NGC 6208

NGC 6208 is an open cluster in the southern constellation of Ara. With an age of 1.17 Gigayears, it is one of the oldest known open clusters.

References

  1. 1 2 Xin, Y.; Deng, L. (February 2005), "Blue Stragglers in Galactic Open Clusters and Integrated Spectral Energy Distributions", The Astrophysical Journal, 619 (2): 824–838, arXiv: astro-ph/0410325 , Bibcode:2005ApJ...619..824X, doi:10.1086/426681, S2CID   2087723.
  2. ↑ Kharchenko, N. V.; et al. (August 2005), "Astrophysical parameters of Galactic open clusters", Astronomy and Astrophysics, 438 (3): 1163–1173, arXiv: astro-ph/0501674 , Bibcode:2005A&A...438.1163K, doi:10.1051/0004-6361:20042523, S2CID   9079873.
  3. 1 2 Inglis, Mike (2013), Observer's Guide to Star Clusters, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, p. 27, Bibcode:2013ogsc.book.....I, ISBN   978-1461475675.
  4. ↑ Piskunov, A. E.; et al. (January 2008), "Tidal radii and masses of open clusters", Astronomy and Astrophysics, 477 (1): 165–172, Bibcode:2008A&A...477..165P, doi: 10.1051/0004-6361:20078525 .


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