Abstract
We present a photometric study for three rarely studied open star clusters; Juchert-Saloranta 1, Teutsch 1 and Teutsch 5 using the 2MASS-JHKs photometric data. Their structural and photometric parameters are determined. We obtained the distance from the Sun of 3.30±0.30 kpc, 3.82±0.25 kpc and 2.91±0.34 kpc and their log(age) of 9.15, 8.75 and 8.9 at solar metallicity and the total mass of 215, 807 and 165 M ⊙ for Juchert-Saloranta 1, Teutsch 1 and Teutsch 5 respectively. The three clusters lie in the galactic plane and about 11 kpc from the galactic center. The relaxation times of the clusters are smaller than the estimated cluster ages (∼0.01) that may be reflect the dynamical relaxation of these clusters.
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Acknowledgements
This publication makes use of data products from the Two Micron All Sky Survey, which is a joint project of the University of Massachusetts and the Infrared Processing and Analysis Center/California Institute of Technology, funded by the National Aeronautics and Space Administration and the National Science Foundation.
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Ismail, H.A., Haroon, A.A. & Alsslegy, N.T. Photometry of three open star clusters: Juchert-Saloranta 1, Teutsch 1 and Teutsch 5. Astrophys Space Sci 358, 2 (2015). https://doi.org/10.1007/s10509-015-2401-9
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DOI: https://doi.org/10.1007/s10509-015-2401-9