Variable Sources from the SuperMACHO Project

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

The SuperMACHO project is a 5 year optical survey of the Large Magellanic Cloud to look for microlensing. A rich side-product of this investigation is a set of light curves of sources that varied during the course of the survey. Because the SuperMACHO project employs difference imaging to identify variable sources and it probes almost two magnitudes fainter than previous surveys such as the MACHO project (Alcock et al. 2000), this data set offers an unprecedented glimpse into LMC stellar populations. In addition, we have cross-matched the SuperMACHO variables with the IRSF catalog (Kato et al. 2007) to obtain infra-red colors for these sources. Here we present some initial findings.

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