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NGC 2002

From Wikipedia, the free encyclopedia
Open cluster in the constellation Dorado
NGC 2002
Hubble Space Telescope image of NGC 2002
Observation data (J2000epoch)
Right ascension05h 30m 20.4s[1]
Declination−66° 53′ 03″[1]
Apparent dimensions (V)10.84[2]
Physical characteristics
Other designationsESO 86-SC3
Associations
ConstellationDorado
See also:Open cluster,List of open clusters

NGC 2002 (also known asESO 86-SC3) is anopen cluster located in theDorado constellation and is part of theLarge Magellanic Cloud. It was discovered byJames Dunlop on September 24, 1826. Its apparent magnitude is 10.1, and its size is 2.0arc minutes.[1][3]

NGC 2002 contains fivered supergiants, prominent in deep images of the cluster. Together with themain sequence turnoff, these tightly constrain the age of the cluster to 18 million years. The cluster shows strong stellar stratification with the brightest stars concentrated at the centre of the cluster and fainter stars dominating further out.[4]

References

[edit]
  1. ^abc"Object: NGC 2002 (*)".Seds. Retrieved23 October 2017.
  2. ^"NGC 2002".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved23 October 2017.
  3. ^"NGC 2002 (= an OCL in the Large Magellanic Cloud)".cseligman. Retrieved23 October 2017.
  4. ^Gouliermis, Dimitrios A; MacKey, Dougal; Xin, Yu; Rochau, Boyke (2010). "Assessment of Stellar Stratification in Three Young Star Clusters in the Large Magellanic Cloud".The Astrophysical Journal.709 (1):263–277.arXiv:1001.0135.Bibcode:2010ApJ...709..263G.doi:10.1088/0004-637X/709/1/263.S2CID 119278804.

External links

[edit]
  • Media related toNGC 2002 at Wikimedia Commons


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