Removing systematics from the CoRoT light curves. I. Magnitude-dependent zero point

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Removing systematics from the CoRoT light curves. I. Magnitude-dependent zero point

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dc.contributor.author Mazeh, T. en_GB
dc.contributor.author Guterman, P. en_GB
dc.contributor.author Aigrain, Suzanne en_GB
dc.contributor.author Zucker, S. en_GB
dc.contributor.author Grinberg, N. en_GB
dc.contributor.author Alapini, Aude en_GB
dc.contributor.author Alonso, R. en_GB
dc.contributor.author Auvergne, M. en_GB
dc.contributor.author Barbieri, M. en_GB
dc.contributor.author Barge, P. en_GB
dc.contributor.author Bordé, P. en_GB
dc.contributor.author Bouchy, F. en_GB
dc.contributor.author Deeg, H. J. en_GB
dc.contributor.author De la Reza, R. en_GB
dc.contributor.author Deleuil, M. en_GB
dc.contributor.author Dvorak, R. en_GB
dc.contributor.author Erikson, A. en_GB
dc.contributor.author Fridlund, M. en_GB
dc.contributor.author Gondoin, P. en_GB
dc.contributor.author Jorda, L. en_GB
dc.contributor.author Lammer, H. en_GB
dc.contributor.author Léger, A. en_GB
dc.contributor.author Llebaria, A. en_GB
dc.contributor.author Magain, P. en_GB
dc.contributor.author Moutou, C. en_GB
dc.contributor.author Ollivier, M. en_GB
dc.contributor.author Pätzold, M. en_GB
dc.contributor.author Pont, F. en_GB
dc.contributor.author Queloz, D. en_GB
dc.contributor.author Rauer, H. en_GB
dc.contributor.author Rouan, D. en_GB
dc.contributor.author Sabo, R. en_GB
dc.contributor.author Schneider, J. en_GB
dc.contributor.author Wuchterl, G. en_GB
dc.date.accessioned 2009-11-26T15:27:26Z en_GB
dc.date.accessioned 2011-01-25T11:54:46Z en_US
dc.date.accessioned 2013-03-20T13:01:58Z
dc.date.issued 2009 en_GB
dc.description.abstract This paper presents an analysis that searched for systematic effects within the CoRoT exoplanet field light curves. The analysis identified a systematic effect that modified the zero point of most CoRoT exposures as a function of stellar magnitude. We could find this effect only after preparing a set of learning light curves that were relatively free of stellar and instrumental noise. Correcting for this effect, rejecting outliers that appear in almost every exposure, and applying SysRem, reduced the stellar RMS by about 20%, without attenuating transit signals. en_GB
dc.identifier.citation 506 (1), pp. 431-434 en_GB
dc.identifier.doi 10.1051/0004-6361/200912037 en_GB
dc.identifier.uri http://hdl.handle.net/10036/86961 en_GB
dc.language.iso en en_GB
dc.publisher EDP Sciences en_GB
dc.relation.url http://dx.doi.org/10.1051/0004-6361/200912037 en_GB
dc.subject data analysis methods en_GB
dc.subject photometric techniques en_GB
dc.subject planetary systems en_GB
dc.title Removing systematics from the CoRoT light curves. I. Magnitude-dependent zero point en_GB
dc.type Article en_GB
dc.date.available 2009-11-26T15:27:26Z en_GB
dc.date.available 2011-01-25T11:54:46Z en_US
dc.date.available 2013-03-20T13:01:58Z
dc.identifier.issn 0004-6361 en_GB
dc.identifier.issn 1432-0746 en_GB
dc.description Copyright © The European Southern Observatory (ESO) en_GB
dc.identifier.journal Astronomy and Astrophysics en_GB


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