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Title: Is macroturbulence in OB Sgs related to pulsations?
Authors: Simon-Diaz, Sergio
Herrero, Artemio
Uytterhoeven, Katrien
Castro, Norberto
Aerts, Conny
Puls, Joachim #
Issue Date: 2011
Publisher: Cambridge univ press
Host Document: Active ob stars: structure, evolution, mass-loss, and critical limits vol:272 pages:549-550
Series Title: IAU Symposium Proceedings Series
Conference: 272nd Symposium of the International-Astronomical-Union on Active OB Stars: Structure, Evolution, Mass-Loss, and Critical Limits Paris, FRANCE, JUL 19-23, 2010
Abstract: As part of a long term observational project, we are investigating the macroturbulent broadening in O and B supergiants (Sgs) and its possible connection with spectroscopic variability phenomena and stellar oscillations. We present the first results of our project, namely firm observational evidence for a strong correlation between the extra broadening and photospheric line-profile variations in a sample of 13 Sgs with spectral types ranging from O9.5 to B8.
ISBN: 978-0-52119-840-0
ISSN: 1743-9213
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Institute of Astronomy
# (joint) last author

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