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

Alcock, C.; A. Allsman, R.; R. Alves, D.; S. Axelrod, T.; C. Becker, A.; P. Bennett, D.; H. Cook, K.; Dalal, Neal; J. Drake, A.; C. Freeman, K.; Geha, Marla; Griest, K.; J. Lehner, M.; L. Marshall, S.; Minniti, D.; A. Nelson, C.; A. Peterson, B.; Popowski, Piotr; R. Pratt, M.; J. Quinn, Peter; W. Stubbs, C.; J. Sutherland, William; Tomaney, A.; Vandehei, T.; L. Welch, D.

doi:10.1086/309512

Public

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

Published in The Astrophysical Journal • Oct 10, 2000

Authors:

C. Alcock

R. A. Allsman

D. R. Alves

Abstract

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 ...

Subject

Gravitational microlensing

Physics

Astrophysics

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