Galactic Bulge Microlensing Optical Depth from EROS-2

Details Galactic Bulge Microlensing Optical Depth from EROS-2 Galactic Bulge Microlensing Optical Depth from EROS-2

2006-01-23

arxiv.org/abs/astro-ph/0601510v2

Astron.Astrophys. 454 (2006) 185-199

Astronomy and Astrophysics

Astrophysics

accepted A&A, minor revisions

Scientific paper

10.1051/0004-6361:20064893

We present a new EROS-2 measurement of the microlensing optical depth toward the Galactic Bulge. Light curves of $5.6\times 10^{6}$ clump-giant stars distributed over $66 \deg^2$ of the Bulge were monitored during seven Bulge seasons. 120 events were found with apparent amplifications greater than 1.6 and Einstein radius crossing times in the range $5 {\rm d}

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