arXiv Open Access 2016

2MASS photometry and kinematical studies of open cluster NGC 188

W. H. Elsanhoury A. A. Haroon N. V. Chupina S. V. Vereshchagin Devesh P. Sariya +2 lainnya

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Abstrak

In this paper, we present our results for the photometric and kinematical studies of old open cluster NGC 188. We determined various astrophysical parameters like limited radius, core and tidal radii, distance, luminosity and mass functions, total mass, relaxation time etc. for the cluster using 2MASS catalog. We obtained the cluster's distance from the Sun as 1721+/-41 pc and log (age)= 9.85+/-0.05 at Solar metallicity. The relaxation time of the cluster is smaller than the estimated cluster age which suggests that the cluster is dynamically relaxed. Our results agree with the values mentioned in the literature. We also determined the cluster's apex coordinates as (281.88 deg, -44.76 deg) using AD-diagram method. Other kinematical parameters like space velocity components, cluster center and elements of Solar motion etc. have also been computed.

Topik & Kata Kunci

astro-ph.SR astro-ph.GA

Penulis (7)

W. H. Elsanhoury

A. A. Haroon

N. V. Chupina

S. V. Vereshchagin

Devesh P. Sariya

R. K. S. Yadav

Ing-Guey Jiang

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APA MLA BibTeX

Elsanhoury, W.H., Haroon, A.A., Chupina, N.V., Vereshchagin, S.V., Sariya, D.P., Yadav, R.K.S. et al. (2016). 2MASS photometry and kinematical studies of open cluster NGC 188. https://arxiv.org/abs/1606.06587

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Tahun Terbit: 2016
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓