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Astrophysics and Space Science

, Volume 336, Issue 2, pp 303–313 | Cite as

Searching for star-planet magnetic interaction in CoRoT observations

  • A. F. LanzaEmail author
Invited Review

Abstract

Close-in massive planets interact with their host stars through tidal and magnetic mechanisms. In this paper, we review circumstantial evidence for star-planet interaction as revealed by the photospheric magnetic activity in some of the CoRoT planet-hosting stars, notably CoRoT-2, 4, and 6. The phenomena are discussed in the general framework of activity-induced features in stars accompanied by hot Jupiters. The theoretical mechanisms proposed to explain the activity enhancements possibly related with hot Jupiters are also briefly reviewed with an emphasis on the possible effects at the photospheric level. The unique advantages of CoRoT and Kepler observations to test these models are pointed out.

Keywords

Stars: planetary systems Stars: activity Stars: late-type Stars: magnetic fields Stars: general 

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.INAF-Osservatorio Astrofisico di CataniaCataniaItaly

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