paper

Optical depth evaluation in pixel microlensing

arXiv:astro-ph/9811027 · doi:10.1086/311787

Abstract

We propose an estimator of the microlensing optical depth from pixel lensing data that involves only measurable quantities. In comparison to the only previously proposed estimator, it has the advantage of not being limited to events with large magnification at maximum, and it applies equally well to satellite and ground-based observations.

13 pages, 2 figures, Ap J Lett (accepted)

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