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Towards a fully automated eclipsing binary solver for Gaia

Published online by Cambridge University Press:  01 May 2008

Brandon Tingley
Affiliation:
Institut d'Astronomie et d'AstrophysiqueUniversité Libre de BruxellesCP226Boulevard du TriompheB-1050 BrusselsBelgium email: [email protected], [email protected], [email protected]
Gilles Sadowski
Affiliation:
Institut d'Astronomie et d'AstrophysiqueUniversité Libre de BruxellesCP226Boulevard du TriompheB-1050 BrusselsBelgium email: [email protected], [email protected], [email protected]
Christos Siopis
Affiliation:
Institut d'Astronomie et d'AstrophysiqueUniversité Libre de BruxellesCP226Boulevard du TriompheB-1050 BrusselsBelgium email: [email protected], [email protected], [email protected]
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Abstract

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Gaia, an ESA cornerstone mission, will obtain of the order of 100 high-precision photometric observations and lower precision radial velocity measurements over five years for around a billion stars – several hundred thousand of which will be eclipsing binaries. In order to extract the characteristics of these systems, a fully automated code must be available. During the process of this development, two tools that may be of use to the transit community have emerged: a very fast, simple, detached eclipsing binary simulator/solver based on a new approach and an interacting eclipsing binary simulator with most of the features of the Wilson-Devinney and Nightfall codes, but fully documented and written in easy-to-follow and highly portable Java. Currently undergoing development and testing, this code includes an intuitive graphical interface and an optimizer for the estimation of the physical parameters of the system.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2009