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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*
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: roman@astro.spbu.ru
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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.

Type
Contributed Papers
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