Microlensing of Unresolved Stars as a Brown Dwarf Detection Method

Abstract : We describe a project of brown dwarf detection in the dark halo of a galaxy using the microlensing effect. We argue that monitoring pixels instead of stars could provide an enhancement in the number of detectable events. We estimate the detection efficiency with a Monte-Carlo simulation. We expect a ten-fold increase with respect to current experiments. To assess the feasibility of this method we have determined the photometric precision of a pixel by comparing several pictures of a same field in the LMC. To be published in the Proceeding of the workshop 'The dark side of the universe...', Roma, Juin 1993,
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Preprints, Working Papers, ...
8 pages and 4 figures available by fax Latex 1. 1993


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Contributor : Dominique Girod <>
Submitted on : Wednesday, July 19, 2006 - 2:00:16 PM
Last modification on : Wednesday, July 19, 2006 - 2:00:16 PM

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A. Bouquet, J. Kaplan, A.-L. Melchior, Y. Giraud-Héraud, P. Baillon. Microlensing of Unresolved Stars as a Brown Dwarf Detection Method. 8 pages and 4 figures available by fax Latex 1. 1993. <in2p3-00086687>

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