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arxiv: 0905.1846 · v1 · pith:JAU2F7REnew · submitted 2009-05-12 · 🌌 astro-ph.SR

Photometric analysis of the eclipsing binary 2MASS 19090585+4911585

St. Raetz (1) , M. Vanko (1) , M. Mugrauer (1) , T. O. B. Schmidt (1) , T. Roell (1) , T. Eisenbeiss (1) , M. M. Hohle (1 , 3)
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A. Koeltzsch (1) Ch. Ginski (1) C. Marka (1) M. Moualla (1) N. Tetzlaff (1) Ch. Broeg (2) R. Neuh\"auser (1) ((1) Astrophysikalisches Institut und Universit\"ats-Sternwarte Jena Schillerg\"asschen 2-3 Jena Germany (2) Space Research Planetary Sciences Physikalisches Institut University of Bern Sidlerstrasse 5 Bern Switzerland (3) Max Planck Institute for Extraterrestrial Physics Giessenbachstrasse Garching Germany)
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classification 🌌 astro-ph.SR
keywords binarymasseclipsinganalysisphotometricauxiliarybrightercurves
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We report on observations of the eclipsing binary 2MASS 19090585+4911585 with the 25 cm auxiliary telescope of the University Observatory Jena. We show that a nearby brighter star (2MASS 19090783+4912085) was previously misclassified as the eclipsing binary and find 2MASS 19090585+4911585 to be the true source of variation. We present photometric analysis of VRI light curves. The system is an overcontact binary of W UMa type with an orbital period of (0.288374 +/- 0.000010) d.

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