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arxiv: astro-ph/9710365 · v1 · submitted 1997-10-31 · 🌌 astro-ph

Optical Gravitational Lensing Experiment. Photometry of the MACHO-SMC-1 Microlensing Candidate

A. Udalski , M. Szymanski , M. Kubiak , G. Pietrzynski , P. Wozniak , K. Zebrun This is my paper
classification 🌌 astro-ph
keywords opticalstaramplitudecandidatecompanionlensedlightmacho-smc-1
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We present photometric observations of the MACHO-SMC-1 microlensing candidate collected by the OGLE-2 project. We show light curves of both components of the 1.6 arcsec blend: microlensed star and its optical companion. We find the contribution of the optical companion to the total flux to be 24% and confirm presence of the small amplitude periodic oscillations in the light curve of the lensed star with the period of 5.096 days and amplitude 0.05 mag. The lensed star is probably an ellipsoidal binary system.

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