Photometric study of close binary stars in the M35, M67, and M71 Galactic clusters. (arXiv:2002.05159v1 [astro-ph.SR])

Photometric study of close binary stars in the M35, M67, and M71 Galactic clusters. (arXiv:2002.05159v1 [astro-ph.SR])
<a href="http://arxiv.org/find/astro-ph/1/au:+Kocak_D/0/1/0/all/0/1">Dolunay Ko&#xe7;ak</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Icli_T/0/1/0/all/0/1">Tu&#x11f;&#xe7;e &#x130;&#xe7;li</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Yakut_K/0/1/0/all/0/1">Kadri Yakut</a>

We obtained new multicolour photometry of close binary stars in the young
open cluster M35, the solar-age open cluster M67, and the globular cluster M71.
New observations have been carried out at the T”{U}B.{I}TAK National
Observatory (TUG) by using the 100cm (T100) telescope. We present observational
results for eclipsing binary systems in the selected Galactic clusters. New
accurate light curves for 2MASS J19532554 + 1851175, 2MASS J19533427 + 1844047,
2MASS J06092044 + 2415155, and AH Cnc were obtained. The light curves were
analysed and we derived some of the orbital parameters of the systems.

We obtained new multicolour photometry of close binary stars in the young
open cluster M35, the solar-age open cluster M67, and the globular cluster M71.
New observations have been carried out at the T”{U}B.{I}TAK National
Observatory (TUG) by using the 100cm (T100) telescope. We present observational
results for eclipsing binary systems in the selected Galactic clusters. New
accurate light curves for 2MASS J19532554 + 1851175, 2MASS J19533427 + 1844047,
2MASS J06092044 + 2415155, and AH Cnc were obtained. The light curves were
analysed and we derived some of the orbital parameters of the systems.

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