The First Eclipsing Binary Catalogue from the MOA-II database

M. C. A. Li , N. J. Rattenbury , A. Bond , T. Sumi , D. P. Bennett , N. Koshimoto , F. Abe , Y. Asakura

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R. Barry A. Bhattacharya M. Donachie P. Evans M. Freeman A. Fukui Y. Hirao Y. Itow C. H. Ling K. Masuda Y. Matsubara Y. Muraki M. Nagakane K. Ohnishi To. Saito A. Sharan D. J. Sullivan D. Suzuki P. J. Tristram A. Yonehara

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classification 🌌 astro-ph.SR

keywords binariescandidateseclipsingcataloguecurvesfirstidentifiedaddition

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We present the first catalogue of eclipsing binaries in two MOA fields towards the Galactic bulge, in which over 8,000 candidates, mostly contact and semi-detached binaries of periods < 1 d, were identified. In this paper, the light curves of a small number of interesting candidates including eccentric binaries, binaries with noteworthy phase modulations and eclipsing RS CVn type stars are shown as examples. In addition, we identified three triple object candidates by detecting the light-travel-time effect in their eclipse time variation curves.

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The First Eclipsing Binary Catalogue from the MOA-II database

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