Eclipsing binary stars in the Large and Small Magellanic Clouds from the MACHO project: The Sample

Faccioli, L; Alcock, C; Cook, K; Prochter, G; Protopapas, P; Syphers, D

doi:10.1086/521579

Eclipsing binary stars in the Large and Small Magellanic Clouds from the MACHO project: The Sample

Journal Article · Thu Mar 29 04:00:00 EDT 2007 · The Astronomical Journal, vol. 134, no. 5, November 1, 2007, pp. 1963-1993

DOI:https://doi.org/10.1086/521579· OSTI ID:940893

Faccioli, L; Alcock, C; Cook, K; Prochter, G; Protopapas, P; Syphers, D

We present a new sample of 4634 eclipsing binary stars in the Large Magellanic Cloud (LMC), expanding on a previous sample of 611 objects and a new sample of 1509 eclipsing binary stars in the Small Magellanic Cloud (SMC), that were identified in the light curve database of the MACHO project. We perform a cross correlation with the OGLE-II LMC sample, finding 1236 matches. A cross correlation with the OGLE-II SMC sample finds 698 matches. We then compare the LMC subsamples corresponding to center and the periphery of the LMC and find only minor differences between the two populations. These samples are sufficiently large and complete that statistical studies of the binary star populations are possible.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA

Sponsoring Organization:: USDOE

DOE Contract Number:: W-7405-ENG-48

OSTI ID:: 940893

Report Number(s):: UCRL-JRNL-236835

Journal Information:: The Astronomical Journal, vol. 134, no. 5, November 1, 2007, pp. 1963-1993, Journal Name: The Astronomical Journal, vol. 134, no. 5, November 1, 2007, pp. 1963-1993 Journal Issue: 5 Vol. 134

Country of Publication:: United States

Language:: English

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