Light curve analysis for eclipsing systems with exoplanets. The system HD 209458

Details Light curve analysis for eclipsing systems with exoplanets. The system HD 209458 Light curve analysis for eclipsing systems with exoplanets. The system HD 209458

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010arep...54.1105a&link_type=abstract

Astronomy Reports, Volume 54, Issue 12, pp.1105-1124

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We have analyzed precision light curves for HD 209458, a binary with an exoplanet. The parameters obtained at different epochs and different wavelengths are in good mutual agreement when confidence regions are used to calculate the uncertainty intervals. We demonstrate the effectiveness and reliability of our new method for estimating the uncertainty intervals. Reliable estimates are provided for the linear and quadratic limb-darkening coefficients of the star and their confidence intervals (uncertainties). We find that the wavelength dependence for the limb-darkening coefficients at λ = 3201-9708 Å differs significantly from the corresponding theoretical relation based on thin model stellar atmospheres.

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