Review of "Transit mapping of a starspot on CoRoT-2: Probing a stellar surface by planetary transits"

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Date/Time:Friday, 15 Oct 2010 from 4:10 pm to 5:00 pm
Location:Room 3 Physics
URL:http://arxiv.org/pdf/0906.4140v1
Contact:Massimo Marengo
Phone:515-294-2958
Channel:Astronomy
Categories:Lectures
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Riley Smith, ISU Physics and Astronomy Department Graduate Student

In my talk I will review a paper by Wolter et al. (2009, A&A, 504, 561) who analyzed variations in the transit lightcurves of CoRoT-2b, a massive hot Jupiter orbiting a highly active G star. This group used one transit lightcurve to eclipse-map a photospheric spot occulted by the planet, and determined the size and longitude of the eclipsed portion of the starspot. I will summarize the observations and data analysis techniques used in this study, as well as discuss the future potential of eclipse mapping by planetary transits for the high-resolution analysis of stellar surface features.