Orbital Solution of Some Contact Binaries

被引：0

作者：

M. M. Elkhateeb

机构：

[1] Northern Border University,Physics Department, College of Science

[2] National Research Institute of Astronomy and Geophysics,undefined

来源：

Astrophysics | 2020年 / 63卷

关键词：

eclipsing binaries; W UMa; evolution; light curve analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the present paper we use a complete set of CCD observations to model the light curves of the new W UMa systems, GSC 4835-1716 and USNO-A2.0_1275-10813091. The light curve modeling is performed by means of the W-D code where Kurucz (1993) model atmospheres are implemented. We treated the asymmetry of the observed curves using a spotted model. Physical parameters of the accepted model revealed that primary components of the studied systems are massive and hotter than the secondary ones. The components of the system GSC 4835-1716 are found to be on or near the TAMS track while the components of the system USNO-A2.0_1275-10813091, lie between the ZAMS and TAMS evolution tracks.

引用

页码：190 / 199

页数：9

共 28 条

[1]

Haroon A(2018)undefined Astrophysics 61 458-undefined

[2]

Essam A(2014)undefined New Astron. 32 10-undefined

[3]

Basurah H(2014)undefined New Astron. 28 85-undefined

[4]

Elkhateeb MM(2014)undefined New Astron. 26 102-undefined

[5]

Nouh MI(2015)undefined New Astron. 34 47-undefined

[6]

Saad S(2015)undefined New Astron. 35 1-undefined

[7]

Elkhateeb M(2016)undefined New Astron. 49 22-undefined

[8]

Saad S(2004)undefined AAS 201 7502-undefined

[9]

Nouh M(1969)undefined Acta Astron. 19 156-undefined

[10]

Elkhateeb MM(1993)undefined Astron. J. 106 2096-undefined

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