Journal Article

New observable for gravitational lensing effects during transits

Shinta Kasuya, Mitsuhiko Honda and Risa Mishima

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 411, issue 3, pages 1863-1868
Published in print March 2011 | ISSN: 0035-8711
Published online February 2011 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2010.17809.x
New observable for gravitational lensing effects during transits

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We investigate gravitational lensing effects of an extrasolar planet transiting its host star. We focus on the ‘rising spikes’ of the light curve just before and after the transit, which is a peculiar feature of the gravitational lensing, and find that it could be a novel observable for determining physical parameters. Detectability of such an effect is also discussed.

Keywords: gravitational lensing: micro; eclipses; occultations

Journal Article.  3739 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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