Two MASS photometry of open star clusters: King 13 and Berkeley 53 |
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Authors: | A. A. Haroon H. A. Ismail F. Y. Alnagahy |
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Affiliation: | 1. Astronomy Department, Faculty of Science, King Abdul Aziz University, Jeddah, Kingdom of Saudi Arabia 2. National Research Institute of Astronomy and Geophysics, Helwan, Cairo, Egypt
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Abstract: | In the present work, we used the near-infrared JHKs photometric data from the 2-Micron All Sky Survey (2MASS) to determine the morphological and photometric parameters for two rarely studied open star clusters; King 13 and Berkeley 53. Luminosity function, mass function and dynamical relaxation time have been determined for the two clusters. We estimated the distances of 2.11±0.25 Kpc and 3.51±0.21 Kpc for King 13 and Berkeley 53 respectively, and both clusters have the same age 1.00±0.12 Gyr at solar metallicity; z=0.019. |
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