Published in

Close Binaries in the 21st Century: New Opportunities and Challenges, p. 353-355

DOI: 10.1007/978-1-4020-5027-5_88

Springer Verlag, Astrophysics and Space Science, 1-4(304), p. 355-357

DOI: 10.1007/s10509-006-9262-1

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Hα Photometry of Two Contact Binaries

Journal article published in 2006 by Szilárd Csizmadia, Pé ter Klagyivik, Zsolt Kővári ORCID, Péter Klagyivik
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We carried out optical and Hα photometry of two contact binaries (V861 Herculis, EQ Tauri). The light curve modeling revealed stellar spots in both contact systems and strong Hα excess in the position of the observed stellar spots. A correlation was found between the V−R and R−Hα colour indices of V861 Her.