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Detailed Line-Profile Modeling of B Stars with Chemical Inhomogeneities1

Published online by Cambridge University Press:  12 April 2016

M. Briquet ,
R. Scuflaire ,
C. Aerts  and
P. De Cat
M. Briquet
Affiliation:
Institut d’Astrophysique et Géophysique, Université de Liège, Belgium
R. Scuflaire
Affiliation:
Institut d’Astrophysique et Géophysique, Université de Liège, Belgium
C. Aerts
Affiliation:
Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium
P. De Cat
Affiliation:
Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Belgium

Abstract

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We report monoperiodic variability for the four B-type stars HD 131120, HD 105382, HD 138769 and HD 55522, which we explain by rotational modulation rather than by pulsation. Consequently these variables are removed from the list of candidate Slowly Pulsating B stars.

Type
Part 2.3. Chemically Peculiar Stars
Information
International Astronomical Union Colloquium , Volume 185: Radial and Nonradial Pulsations as Probes of Stellar Physics , 2002 , pp. 266 - 269
Copyright
Copyright © Astronomical Society of the Pacific 2002

Footnotes

1

Based on observations obtained with the Swiss photometric telescope and ESO’s CAT/CES telescope, both situated at La Silla, Chile

References

Aerts, C., De Pauw, M., Waelkens, C., 1992, A&A, 266, 294 Google Scholar
Briquet, M., De Cat, P., Aerts, C., Scuflaire, R., 2001, A&A, in pressGoogle Scholar
De Cat, P., 2001, PhD Thesis, Katholieke Universiteit Leuven, Belgium Google Scholar