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Magnetic field studies of massive main sequence stars
Schöller, M.; Hubrig, S.; Ilyin, I. et al.
2012In American Institute of Physics Conference Series
 

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Abstract :
[en] We report on the status of our spectropolarimetric observations of massive stars. During the last years, we have discovered magnetic fields in many objects of the upper main sequence, including Be stars, β Cephei and Slowly Pulsating B stars, and a dozen O stars. Since the effects of those magnetic fields have been found to be substantial by recent models, we are looking into their impact on stellar rotation, pulsation, and stellar winds. Accurate studies of the age, environment, and kinematic characteristics of the magnetic stars are also promising to give us new insight into the origin of the magnetic fields. Furthermore, longer time series of magnetic field measurements allow us to observe the temporal variability of the magnetic field and to deduce the stellar rotation periods and the magnetic field geometry. Studies of the magnetic field in massive stars are indispensable to understand the conditions controlling the presence of those fields and their implications for the stellar physical parameters and evolution.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Schöller, M.;  European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching, Germany
Hubrig, S.;  Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
Ilyin, I.;  Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany
Kharchenko, N. V.;  Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam and Main Astronomical Observatory, 27 Academica Zabolotnogo Str., 03680 Kiev, Ukraine
Briquet, Maryline ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Oskinova, L. M.;  Universität Potsdam, Institut für Physik und Astronomie, 14476 Potsdam, Germany
MAGORI Collaboration;  )
Bjorkman, Jon
Whitney, Barbara
Language :
English
Title :
Magnetic field studies of massive main sequence stars
Publication date :
01 May 2012
Event name :
STELLAR POLARIMETRY: FROM BIRTH TO DEATH.
Event date :
from 27-06-2011 to 30-06-2011
Audience :
International
Main work title :
American Institute of Physics Conference Series
Pages :
106-109
Commentary :
1429
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