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The Impact of Red Noise in Radial Velocity Planet Searches

Published online by Cambridge University Press:  23 April 2012

Roman V. Baluev
Roman V. Baluev*
Affiliation:
Pulkovo Astronomical Observatory, Pulkovskoje sh. 65/1, Saint Petersburg 196140, Russia Sobolev Astronomical Institute, Saint Petersburg State University, Universitetskij pr. 28, Petrodvorets, Saint Petersburg 198504, Russia email: [email protected]
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Abstract

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We demonstrate that moderate exoplanet radial velocity searches are often subject to the effect of the correlated (red) radial velocity noise. When disregarded, this effect may induce strong distortions in the results of the time series analysis and, ultimately, can even lead to false planet detections. We construct a maximum-likelihood algorithm, which is able to manage this issue rather efficiently.

Keywords

methods: data analysismethods: statisticaltechniques: radial velocities
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S282: From Interacting Binaries to Exoplanets: Essential Modeling Tools , July 2011 , pp. 119 - 120
Copyright
Copyright © International Astronomical Union 2012

References

Baluev, R. V. 2011, Celest. Mech. Dyn. Astron., 111, 235CrossRefGoogle Scholar
Vogt, R. V. 2010, ApJ, 723, 954CrossRefGoogle Scholar