The color signature of the transit of HD209458: discrepancies between stellar atmospheric models and observations
Date
2006
Authors
Tingley, Brandon
Thurl, Christine
Sackett, Penny
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Volume Title
Publisher
Springer
Abstract
Exoplanetary transits produce a double-homed color signature that is distinct from both binaries and blends and can thus be used to separate exoplanets from false positives in transit searches. Color photometry with precision sufficient to detect this signal in transits of HD 209458 is available in the literature. Analysis of these observations reveals that, while the signature does exhibit the expected shape, it is significantly stronger than PHOENIX atmospheric models predict.
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Keywords
Astronomy, Atmospherics, Photometry, Planets, Double-homed color signature, Exoplanetary transits, Occultations, stars: atmospheres, Stars: planetary systems, Color image processing Occultations, stars: atmospheres, Stars: planetary systems
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Source
Astronomy and Astrophysics
Type
Journal article
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Restricted until
2037-12-31
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