Journal of The Korean Astronomical Society (천문학회지)

The Korean Astronomical Society (한국천문학회)
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FUNDAMENTAL PARAMETERS OF NGC 2509 BASED ON 2MASS DATA

  • Tadross, A.L. (National Research Institute of Astronomy & Geophysics)
  • Published : 2005.09.01
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Abstract

A deep stellar analysis is introduced for the poorly studied open cluster NGC 2509. The Near-IR database of the digital Two Micron All Sky Survey (2MASS) has been used to re-estimate and refine the fundamental parameters of the cluster, i.e. age, reddening, distance, and diameter. As well as, luminosity function, mass function, total mass, relaxation time, and mass segregation of NGC 2509 have been estimated here for the first time..

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