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arxiv: 1410.2643 · v1 · pith:SF3ZL2YJnew · submitted 2014-10-09 · 🌌 astro-ph.SR

OGLE-BLG182.1.162852: An Eclipsing Binary with a Circumstellar Disk

N. J. Rattenbury , {\L}. Wyrzykowski , Z. Kostrzewa-Rutkowska , A. Udalski , S. Koz{\l}owski , M. K. Szyma\'nski , G. Pietrzy\'nski , I. Soszy\'nski
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R. Poleski K. Ulaczyk J. Skowron P. Pietrukowicz P. Mr\'oz D. Skowron
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classification 🌌 astro-ph.SR
keywords dimmingogle-blg182curvediskeventlightsystembinary
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We present the discovery of a plausible disk-eclipse system OGLE-BLG182.1.162852. The OGLE light curve for OGLE-BLG182.1.162852 shows three episodes of dimming by $I \simeq 2 - 3$ magnitudes, separated by 1277 days. The shape of the light curve during dimming events is very similar to that of known disk eclipse system OGLE-LMC-ECL-11893 (Dong et al. 2014). The event is presently undergoing a dimming event, predicted to end on December 30th, 2014. We encourage spectroscopic and multi-band photometric observations now. The next dimming episode for OGLE-BLG182.1.162852 is expected to occur in March 2018.

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