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Giant planets around AF and M stars

Published online by Cambridge University Press:  06 January 2014

Julien Rameau
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France email: julien.rameau@obs.ujf-grenoble.fr
Gaël Chauvin
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France email: julien.rameau@obs.ujf-grenoble.fr
Anne-Marie Lagrange
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France email: julien.rameau@obs.ujf-grenoble.fr
Philippe Delorme
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France email: julien.rameau@obs.ujf-grenoble.fr
Justine Lannier
Affiliation:
UJF-Grenoble 1 / CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France email: julien.rameau@obs.ujf-grenoble.fr
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Abstract

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We present the results of two three-year surveys of young and nearby stars to search for wide orbit giant planets. On the one hand, we focus on early-type and massive, namely β Pictoris analogs. On the other hand, we observe late type and very low mass stars, i.e., M dwarfs. We report individual detections of new planetary mass objects. According to our deep detection performances, we derive the observed frequency of giant planets between these two classes of parent stars. We find frequency between 6 to 12% but we are not able to assess a/no correlation with the host-mass.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013 

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