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Rotational Velocity Distributions of A-Type Main-Sequence Stars

Published online by Cambridge University Press:  26 May 2016

F. Royer ,
J. Zorec  and
Y. Frémat
F. Royer
Affiliation:
Observatoire de Genève, CH-1290 Sauverny, Switzerland GEPI, Observatoire de Paris-Meudon, F-29195 Meudon, France
J. Zorec
Affiliation:
Institut d'Astrophysique de Paris, F-75014 Paris, France
Y. Frémat
Affiliation:
GEPI, Observatoire de Paris-Meudon, F-29195 Meudon, France

Abstract

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The different velocity distributions (v sin i, and v) are determined for single, non peculiar, A-type main-sequence stars, using homogeneous data. These distributions, together with synthetic corrections on stellar magnitudes due to the rotation, are used to quantify the global effect of rotation on a simulated A-type main-sequence in the H-R diagram. The resulting effect is lower than (0.03, 0.006) in (B – V, MV) for 95% of the stars.

Information

Type
Session 1 Observations of Rotating Stars
Information
Symposium - International Astronomical Union , Volume 215: Stellar Rotation , 2004 , pp. 55 - 56
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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