Journal Article

Light-curve modelling for mutual transits

András Pál

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 420, issue 2, pages 1630-1635
Published in print February 2012 | ISSN: 0035-8711
Published online January 2012 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2011.20151.x
Light-curve modelling for mutual transits

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In this paper we describe an algorithm and deduce the related mathematical formulae that allow the computation of observed fluxes in stellar and planetary systems with an arbitrary number of bodies that are part of a transit or occultation event. The method presented does not have any limits or constraints on the geometry and can be applied for almost all of the available limb-darkening models as well. As a demonstration, we apply this scheme to gather information about the orbital inclinations from multiple transiting planetary systems in cases in which mutual transits occur. We also show here that these mutual events constrain the inclinations unambiguously, yielding a complete picture for the whole system.

Keywords: methods: analytical; techniques: photometric; celestial mechanics; binaries: eclipsing; planetary systems

Journal Article.  3921 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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