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Magnetic fields in classical Be stars

Published online by Cambridge University Press:  01 November 2008

Ruslan Yudin ,
S. Hubrig ,
M. Pogodin ,
I. Savanov ,
M. Schöller ,
G. Peters  and
M. Cure
Ruslan Yudin
Affiliation:
Pulkovo Observatory, St.-Petersburg, Russia; email: ruslan61@hotmail.com
S. Hubrig
Affiliation:
ESO, Santiago, Chile
M. Pogodin
Affiliation:
Pulkovo Observatory, St.-Petersburg, Russia; email: ruslan61@hotmail.com
I. Savanov
Affiliation:
Institute of Astronomy, Russian Academy of Science, Moscow, Russia
M. Schöller
Affiliation:
ESO, Garching, Germany
G. Peters
Affiliation:
Univ. Southern California, USA
M. Cure
Affiliation:
Univ. de Valparaiso, Chile
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Abstract

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We report the results of our study of magnetic fields in a sample of Be stars using spectropolarimetric data obtained at the European Southern Observatory with the multi-mode instrument FORS 1 installed at the 8m Kueyen telescope. The detected magnetic fields are rather weak, not stronger than ~150G. A few classical Be stars display cyclic variability of the magnetic field with periods of tens of minutes.

Keywords

Stars: Be – polarization – magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S259: Cosmic Magnetic Fields: From Planets, to Stars and Galaxies , November 2008 , pp. 397 - 398
Copyright
Copyright © International Astronomical Union 2009

References

Hubrig, S., Yudin, R., Pogodin, M., Schöller, M., & Peters, G. 2007, AN 238, 1133Google Scholar
McSwain, M. V., 2008, ApJ 686, 1269CrossRefGoogle Scholar