Article (Scientific journals)
Models of rotating stars constrained by asteroseismic measurements of red giants
Eggenberger, P.; Lagarde, N.; Miglio, A. et al.
2016In Astronomische Nachrichten, 337 (8-9), p. 832-836
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Abstract :
[en] Solar-like oscillations have now been characterized for a large number of stars, thanks to asteroseismic data obtained recently by space missions. This has led to the determination of the global and internal properties of these stars. In particular, core rotation rates have been obtained for red-giant stars, which is of prime importance to progress in the modelling of the dynamical processes at work in stellar interiors. In this presentation, we discuss which constraints can be brought by these asteroseismic measurements on stellar models that include rotational effects. Similarly to the solar case, we show that an efficient mechanism is required for the transport of angular momentum in the radiative zones of red giants. The efficiency of this transport process can be determined by asteroseismic observations of red-giant stars.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Eggenberger, P.
Lagarde, N.
Miglio, A.
Montalban, J.
Ekström, S.
Georgy, C.
Salmon, Sébastien ;  Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Meynet, G.
Maeder, A.
Language :
English
Title :
Models of rotating stars constrained by asteroseismic measurements of red giants
Publication date :
01 September 2016
Journal title :
Astronomische Nachrichten
ISSN :
0004-6337
eISSN :
1521-3994
Publisher :
Wiley, Berlin, Germany
Volume :
337
Issue :
8-9
Pages :
832-836
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 January 2016

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