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The mysterious high-latitude O-star HD 93521: new results from XMM-Newton observations
Rauw, Grégor; Morel, Thierry
2011In Neiner, Coralie; Wade, G.; Meynet, G. et al. (Eds.) Active OB stars: structure, evolution, mass loss and critical limits
 

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Keywords :
stars: early-type; stars: individual (HD 93521); X-rays: stars
Abstract :
[en] The O9.5 Vp star HD 93521 is a well known non-radial pulsator located at a high Galactic latitude. The nature (Population I vs. II) of this star has been the subject of controversy for many years. We report on an XMM-Newton observation of the star that sheds new light on its nature.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Rauw, Grégor  ;  Institut d'Astrophysique & Géophysique, University of Liège, Allée du 6 Août 17, B-4000, Liège, Belgium
Morel, Thierry  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE)
Language :
English
Title :
The mysterious high-latitude O-star HD 93521: new results from XMM-Newton observations
Publication date :
01 July 2011
Audience :
International
Main work title :
Active OB stars: structure, evolution, mass loss and critical limits
Main work alternative title :
[en] Proceedings IAU Symposium no. 272
Editor :
Neiner, Coralie
Wade, G.
Meynet, G.
Peters, G.
Pages :
612-613
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