NGC 6738

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NGC 6738
NGC 6738 PanS.jpg
NGC 6738 imaged by Pan-STARRS
Observation data (J2000 epoch)
Right ascension 19h 01m 1(8.0)s [1]
Declination +11° 37′ (00)″ [1]
Distance 2,283  ly (700  pc) [1]
Apparent magnitude  (V)8.3 [2]
Apparent dimensions (V)15.0′ [2]
Physical characteristics
Other designations Cr 396, C1859+115, OCL 101.0, KPR2004b. [3] 459
Associations
Constellation Aquila [2]
See also: Open cluster, List of open clusters

NGC 6738 is an astronomical feature that is catalogued as an NGC object. Although listed as an open cluster in some astronomical databases, it may be merely an asterism; a 2003 paper in the journal Astronomy and Astrophysics describes it as being an "apparent concentration of a few bright stars on patchy background absorption". [4] [5]

References

  1. 1 2 3 Kharchenko, N. V.; Piskunov, A. E.; Röser, S.; Schilbach, E.; 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.
  2. 1 2 3 Aranda, Ted (2011), 3,000 Deep-Sky Objects: An Annotated Catalogue, The Patrick Moore Practical Astronomy Series, Springer Science & Business Media, p. 429, ISBN   9781441994196
  3. ↑ "NGC 6738". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2006-12-21.
  4. ↑ Boeche, C.; Barbon, R.; Henden, A.; Munari, U.; Agnolin, P. (2003). "NGC 6738: Not a real open cluster". Astronomy and Astrophysics. 406 (3): 893–898. arXiv: astro-ph/0306093 . Bibcode:2003A&A...406..893B. doi:10.1051/0004-6361:20030834. S2CID   1433681.
  5. ↑ "DOCdb - NGC 6738". Deep Sky Observer's Companion. Retrieved 2012-12-17.
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