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Spectral and photometric study of Be Stars in the first exoplanet fields of CoRoT

Published online by Cambridge University Press:  12 July 2011

Thierry Semaan ,
Christophe Martayan ,
Yves Frémat ,
Anne-Marie Hubert ,
Juan Gutiérrez Soto ,
Coralie Neiner  and
Juan Zorec
Thierry Semaan
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, France
Christophe Martayan
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, France ESO, Alonso de Cordova, 3107, Vitacura, Santiago, Chile
Yves Frémat
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, France Royal observatory of Belgium, 3 avenue circulaire, 1180 Brussels, Belgium
Anne-Marie Hubert
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, France
Juan Gutiérrez Soto
Affiliation:
GEPI, Observatoire de Paris, CNRS, Université Paris Diderot, France Instituto de Astrofsica de Andalucía, Apartado 3004, 18080 Granada, Spain
Coralie Neiner
Affiliation:
LESIA, Observatoire de Paris, CNRS, Université Paris Diderot, UPMC, France
Juan Zorec
Affiliation:
Institut d'Astrophysique de Paris (IAP), CNRS, Université Pierre et Marie Curie, France
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Abstract

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First we investigate the spectral and photometric properties (colours, magnitudes) of a sample of faint Be stars observed in the first exoplanet fields of CoRoT (IR1, LRA1 and LRC1). We determine the fundamental parameters by fitting ESO-FLAMES/GIRAFFE spectra with synthetic models taking account for non-LTE effects. After that we correct these parameters from fast rotation effects. We also study the location of each star in the (logL vs logT) HR diagram. Second we start to analyse the CoRoT light curves to investigate further the possible correlation between the pulsating properties and the fundamental parameters of the stars.

Keywords

stars: emission-lineBestars: fundamental parameters
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 547 - 548
Copyright
Copyright © International Astronomical Union 2011

References

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