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NGC 2002

Summary

NGC 2002 (also known as ESO 86-SC3) is an open cluster located in the Dorado constellation and is part of the Large Magellanic Cloud. It was discovered by James Dunlop on September 24, 1826. Its apparent magnitude is 10.1, and its size is 2.0 arc minutes.[1][3]

NGC 2002
Hubble Space Telescope image of NGC 2002
Observation data (J2000 epoch)
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 contains five red supergiants, prominent in deep images of the cluster. Together with the main 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. ^ a b c "Object: NGC 2002 (*)". Seds. Retrieved 23 October 2017.
  2. ^ "NGC 2002". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 23 October 2017.
  3. ^ "NGC 2002 (= an OCL in the Large Magellanic Cloud)". cseligman. Retrieved 23 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 to NGC 2002 at Wikimedia Commons