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Evolutionary State of “Field” Be Stars Deduced from BCD Parameters

Published online by Cambridge University Press:  26 May 2016

J. Zorec ,
Y. Frémat ,
L. Cidale ,
A. M. Hubert  and
M. Floquet
J. Zorec
Affiliation:
Institut d'Astrophysique de Paris, UMR7095/CNRS, 98bis bd. Arago, F-75014 Paris, France (zorec@iap.fr)
Y. Frémat
Affiliation:
Observatoire de Paris-Meudon, GEPI, FRE/2459, 92195 Meudon, France
L. Cidale
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, UN La Plata, Argentina
A. M. Hubert
Affiliation:
Observatoire de Paris-Meudon, GEPI, FRE/2459, 92195 Meudon, France
M. Floquet
Affiliation:
Observatoire de Paris-Meudon, GEPI, FRE/2459, 92195 Meudon, France

Abstract

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BCD (λ1, D) parameters of 49 “field” Be Stars are used to show that the Be phenomenon may appear over the whole main sequence evolutionary span. Models of rotating B stars are used to estimate the incidence of the fast rotation in the (λ1, D) parameters.

Type
Session 1 Observations of Rotating Stars
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 87 - 88
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

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