The POINT-AGAPE survey - II. An unrestricted search for microlensing events towards M31

V. Belokurov, J. An, N.W. Evans, P. Hewett, P. Baillon, S.C. Novati, B.J. Carr, M. Creze, Y. Giraud-Heraud, A. Gould, P. Jetzer, J. Kaplan, E. Kerins, S. Paulin-Henriksson, Stephen Smartt, C.S. Stalin, Y. Tsapras, M.J. Weston

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Abstract

An automated search is carried out for microlensing events using a catalogue of 44 554 variable superpixel light curves derived from our 3-yr monitoring programme of M31. Each step of our candidate selection is objective and reproducible by a computer. Our search is unrestricted, in the sense that it has no explicit time-scale cut. So, it must overcome the awkward problem of distinguishing long time-scale microlensing events from long-period stellar variables.
Original languageEnglish
Pages (from-to)17-37
Number of pages21
JournalMonthly Notices of the Royal Astronomical Society
Volume357
Issue number1
DOIs
Publication statusPublished - 11 Feb 2005

ASJC Scopus subject areas

  • Space and Planetary Science

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    Belokurov, V., An, J., Evans, N. W., Hewett, P., Baillon, P., Novati, S. C., Carr, B. J., Creze, M., Giraud-Heraud, Y., Gould, A., Jetzer, P., Kaplan, J., Kerins, E., Paulin-Henriksson, S., Smartt, S., Stalin, C. S., Tsapras, Y., & Weston, M. J. (2005). The POINT-AGAPE survey - II. An unrestricted search for microlensing events towards M31. Monthly Notices of the Royal Astronomical Society, 357(1), 17-37. https://doi.org/10.1111/j.1365-2966.2005.08629.x