The MACHO Project: Microlensing Results from 5.7 Years of Large Magellanic Cloud Observations

@article{Alcock2000TheMP,
  title={The MACHO Project: Microlensing Results from 5.7 Years of Large Magellanic Cloud Observations},
  author={T. M. C. C. Alcock and R. Allsman and D. Alves and T. Axelrod and A. Becker and D. Bennett and K. Cook and N. Dalal and A. Drake and K. Freeman and M. Geha and K. Griest and M. Lehner and S. Marshall and D. Minniti and C. Nelson and B. A. Peterson and P. Popowski and M. Pratt and P. Quinn and C. Stubbs and W. Sutherland and A. Tomaney and T. Vandehei and D. Welch},
  journal={The Astrophysical Journal},
  year={2000},
  volume={542},
  pages={281-307}
}
  • T. M. C. C. Alcock, R. Allsman, +22 authors D. Welch
  • Published 2000
  • Physics
  • The Astrophysical Journal
  • We report on our search for microlensing toward the Large Magellanic Cloud (LMC). Analysis of 5.7 yr of photometry on 11.9 million stars in the LMC reveals 13-17 microlensing events. A detailed treatment of our detection efficiency shows that this is significantly more than the ~2-4 events expected from lensing by known stellar populations. The timescales () of the events range from 34 to 230 days. We estimate the microlensing optical depth toward the LMC from events with 2 < < 400 days to be… CONTINUE READING
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