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Astrophysics and Space Science

, Volume 120, Issue 1, pp 107–113 | Cite as

Photometry of open cluster NGC 1931

  • A. K. Pandey
  • H. S. Mahra
Article

Abstract

PhotoelectricUBV magnitudes and colours have been determined for stars in the field of NGC 1931. The reddening across the cluster varies from 0 . m 33 to 1 . m 20. A distance of 2.16 kiloparsecs has been estimated for the cluster. It is concluded that the age of the cluster lies between the ages of NGC 6231 and NGC 2362 groups.

Keywords

Colour Open Cluster 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. Burki, G.: 1975,Astron. Astrophys. 43, 37.Google Scholar
  2. Johnson, H. L. and Morgan, W. W.: 1953,Astrophys. J. 117, 313.Google Scholar
  3. Mermilliod, J. C.: 1981,Astron. Astrophys. 97, 235.Google Scholar
  4. Moffat, A. F. J. and Schmidt-Kaler, Th.: 1976,Astron. Astrophys. 48, 115.Google Scholar
  5. Moffat, A. F. J., Fitzgerald, M., and Jackson, P. D.: 1979,Astron. Astrophys. Suppl. 38, 197.Google Scholar

Copyright information

© D. Reidel Publishing Company 1986

Authors and Affiliations

  • A. K. Pandey
    • 1
  • H. S. Mahra
    • 1
  1. 1.Uttar Pradesh State ObservatoryNaini TalIndia

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