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The OGLE Collection of Variable Stars. Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge

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arxiv 1701.03105 v1 pith:NGOEAWR7 submitted 2017-01-11 astro-ph.SR

The OGLE Collection of Variable Stars. Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge

classification astro-ph.SR
keywords binarysystemscollectioneclipsingoglestarsbinariesbulge
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We present a collection of 450 598 eclipsing and ellipsoidal binary systems detected in the OGLE fields toward the Galactic bulge. The collection consists of binary systems of all types: detached, semi-detached, and contact eclipsing binaries, RS CVn stars, cataclysmic variables, HW Vir binaries, double periodic variables, and even planetary transits. For all stars we provide the I- and V-band time-series photometry obtained during the OGLE-II, OGLE-III, and OGLE-IV surveys. We discuss methods used to identify binary systems in the OGLE data and present several objects of particular interest.

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  1. Detached Post-Algol Eclipsing Binaries Caught Between Case A and Case AB Mass Transfer

    astro-ph.SR 2026-06 unverdicted novelty 7.0

    Discovery of detached post-Algol eclipsing binaries in the LMC with measured subgiant Roche-lobe fill factors of 73-89% that match the predicted TAMS contraction phase between Case A and Case AB mass transfer.