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Tidal evolution of stars hosting massive close-in planets

Published online by Cambridge University Press:  27 October 2016

S. Ferraz-Mello ,
L. F. R. Moda ,
J. D. do Nascimento Jr.  and
E. S. Pereira
S. Ferraz-Mello
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brasil email: [email protected]
L. F. R. Moda
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brasil email: [email protected]
J. D. do Nascimento Jr.
Affiliation:
Dep. Fisica Teórica e Experimental, Universidade Federal do Rio Grande do Norte, Natal 59072-970, Brasil
E. S. Pereira
Affiliation:
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brasil email: [email protected]
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Abstract

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Close-in massive planets transfer angular momentum to their host stars and influence their rotation through the torques associated with the tides raised on the star by the planet. For a star hosting a hot Jupiter, the limit of distance below which tidal torques cannot be neglected grows from a ~0.04 to a ~0.07 AU as the mass of the planet grows from 0.5 to 4MJup.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , General Assembly A29A: Astronomy in Focus , August 2015 , pp. 57 - 62
Copyright
Copyright © International Astronomical Union 2016 

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