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Measuring the mass of Kepler-78b using nonparametric Gaussian process estimation

Published online by Cambridge University Press:  27 October 2016

Samuel K. Grunblatt ,
Andrew W. Howard  and
Raphaëlle D. Haywood
Samuel K. Grunblatt
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822 email: [email protected]
Andrew W. Howard
Affiliation:
Institute for Astronomy, University of Hawaii, 2680 Woodlawn Drive, Honolulu, HI 96822 email: [email protected]
Raphaëlle D. Haywood
Affiliation:
SUPA School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, United Kingdom
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Abstract

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Measuring the masses of rocky planets is quite difficult, as the relevant signal produced by such planets is often dwarfed by stellar activity by an order of magnitude or more. Developing a more robust way to isolate the stellar activity in these measurements is crucial to the search for Earth-like planets. We estimate the mass of Earth-size planet Kepler-78b using a Gaussian process estimator to describe the stellar activity in both photometric and radial velocity (RV) data, confirming previous results with a more robust technique that can be extended toward Earth analogues.

Keywords

eta-EarthGaussian processradial velocityetc.
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29A: Astronomy in Focus , August 2015 , pp. 208
Copyright
Copyright © International Astronomical Union 2016 

References

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