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Planets and brown dwarfs around A–F main-sequence stars: performances of radial-velocity surveys with HARPS and first detections

Published online by Cambridge University Press:  06 January 2010

M. Desort
Affiliation:
Laboratoire d'Astrophysique de Grenoble, UMR 5571 CNRS, Université Joseph Fourier, BP. 53, 38041 Grenoble Cedex 9, France
A.-M. Lagrange
Affiliation:
Laboratoire d'Astrophysique de Grenoble, UMR 5571 CNRS, Université Joseph Fourier, BP. 53, 38041 Grenoble Cedex 9, France
F. Galland
Affiliation:
Laboratoire d'Astrophysique de Grenoble, UMR 5571 CNRS, Université Joseph Fourier, BP. 53, 38041 Grenoble Cedex 9, France
S. Udry
Affiliation:
Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
M. Mayor
Affiliation:
Observatoire de Genève, Université de Genève, 51 Chemin des Maillettes, 1290 Sauverny, Switzerland
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Abstract

Due to their high vsini, early-type main-sequence stars have been considered as unsuitable targets for radial-velocity surveys. Knowing about the presence of planets around those stars is however a key issue to understand the impact of the mass of the central star on the way planets form and evolve. We developped in recent years a method that allows to search for planets around those stars and started radial-velocity surveys focused on these targets. We report here some results obtained so far in terms of performances and detection.

Type
Research Article
Copyright
© EAS, EDP Sciences, 2010

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References

Bonfils, X., et al., 2005, A&A, 443, L15
Butler, R.P., et al., 2006, A&A, 458, 609
Desort, M., et al., 2008, A&A, submitted
Galland, F., et al., 2005a, A&A, 443, 337
Galland, F., et al., 2005b, A&A, 444, L21
Ida, S., & Lin, D.N.C., 2005, ApJ, 626, 1045 CrossRef
Kennedy, G.M., & Kenyon, S.J., 2008, ApJ, 673, 502 CrossRef
Lagrange, A.-M., et al., 2008, A&A, submitted
Marcy, G., et al., 2003, in Scient. Front. Res. Extrasol. Planets, ASP Conf. Ser.
Udry, S., et al., 2003, in Scient. Front. Res. Extrasol. Planets, ASP Conf. Ser.

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Planets and brown dwarfs around A–F main-sequence stars: performances of radial-velocity surveys with HARPS and first detections
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Planets and brown dwarfs around A–F main-sequence stars: performances of radial-velocity surveys with HARPS and first detections
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Planets and brown dwarfs around A–F main-sequence stars: performances of radial-velocity surveys with HARPS and first detections
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