MACHO Light Curve of IGR J05007-7047

Details MACHO Light Curve of IGR J05007-7047 MACHO Light Curve of IGR J05007-7047

May 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2601....1s&link_type=abstract

The Astronomer's Telegram, #2601

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Optical, X-Ray, Binaries, Neutron Stars

Scientific paper

Masetti et al. (ATel #783) identified the optical counterpart for X-ray source IGR J05007-7047 with an LMC star showing H-alpha emission and other Balmer lines in absorption, which suggests it may be a Be star. Coe et al. (ATel #2597) have analyzed this star in the OGLE-III database. We find that it is also coincident with MACHO star 23.3300.10, whose longterm light curve shows dips ranging in depth from 0.1 to 0.5 mag every 600-800 days.

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