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, R. Poleski, K. Ulaczyk, J. Skowron, P. Pietrukowicz, P. Mr\'oz,, D. Skowron
TL;DR
This paper reports the discovery of OGLE-BLG182.1.162852, an eclipsing binary with a circumstellar disk, characterized by periodic dimming events similar to known disk-eclipse systems, highlighting its potential for further study.
Contribution
The paper introduces a new disk-eclipse binary system with periodic dimming, expanding the catalog of such systems and providing a basis for future spectroscopic and photometric investigations.
Findings
Three dimming episodes separated by 1277 days
Light curve shape similar to known disk-eclipse systems
Upcoming dimming event predicted for March 2018
Abstract
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 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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