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Combining magnetic and seismic studies to constrain processes in massive stars
Neiner, C.; Degroote, P.; Coste, B. et al.
2014In IAUS 302 - Magnetic Fields Throughout Stellar Evolution
 

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Keywords :
Astrophysics - Solar and Stellar Astrophysics
Abstract :
[en] The presence of pulsations influences the local parameters at the surface of massive stars and thus it modifies the Zeeman magnetic signatures. Therefore it makes the characterisation of a magnetic field in pulsating stars more difficult and the characterisation of pulsations is thus required for the study of magnetic massive stars. Conversely, the presence of a magnetic field can inhibit differential rotation and mixing in massive stars and thus provides important constraints for seismic modelling based on pulsation studies. As a consequence, it is necessary to combine spectropolarimetric and seismic studies for all massive classical pulsators. Below we show examples of such combined studies and the interplay between physical processes.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Neiner, C.
Degroote, P.
Coste, B.
Briquet, Maryline ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Mathis, S.
Language :
English
Title :
Combining magnetic and seismic studies to constrain processes in massive stars
Publication date :
August 2014
Event name :
IAUS 302 - Magnetic Fields Throughout Stellar Evolution
Event date :
from 25-08-2013 to 30-08-2013
Audience :
International
Main work title :
IAUS 302 - Magnetic Fields Throughout Stellar Evolution
Pages :
2262
Commentary :
2 pages, proceedings of IAUS 302, in press
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