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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-34406

Coles, J; Saha, P; Schmid, H M (2010). Weak microlensing. Monthly Notices of the Royal Astronomical Society, 402(1):L21-L24.

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Abstract

A nearby star having a near-transit of a galaxy will cause a time-dependent weak lensing of the galaxy. Because the effect is small, we refer to this as weak microlensing. This could provide a useful method to weigh low-mass stars and brown dwarfs. We examine the feasibility of measuring masses in this way and find that a star causes measurable weak microlensing in a galaxy even at 10 Einstein radii away. Of the order of 1 mag I <= 25 galaxy comes close enough to one or the other of the ~100 nearest stars per year.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
DDC:530 Physics
Language:English
Date:February 2010
Deposited On:02 Mar 2011 16:09
Last Modified:13 Feb 2014 15:39
Publisher:Wiley-Blackwell
ISSN:0035-8711
Additional Information:The definitive version is available at www.blackwell-synergy.com
Publisher DOI:10.1111/j.1745-3933.2009.00791.x
Related URLs:http://arxiv.org/abs/0912.0515

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