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Removing systematics from the CoRoT light curves: I. Magnitude-Dependent Zero Point

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, red...

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Publication status:
Published

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Publisher copy:
10.1051/0004-6361/200912037

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
ASTRONOMY and ASTROPHYSICS
Volume:
506
Issue:
1
Pages:
431-434
Publication date:
2009-07-13
DOI:
ISSN:
0004-6361
Keywords:
Pubs id:
pubs:158744
UUID:
uuid:37087889-8977-48bd-9f17-c3c4b3294312
Local pid:
pubs:158744
Source identifiers:
158744
Deposit date:
2012-12-19

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