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Title: An asteroseismic study of the beta Cephei CoRoT main target HD 180642: results from the ground-based campaign
Authors: Briquet, Maryline
Uytterhoeven, K
Morel, T
Aerts, Conny
De Cat, P
Mathias, P
Miglio, A
Poretti, E
Martin-Ruiz, S
Paparo, M
Rainer, M
Carrier, Fabien
Gutierrez-Soto, J
Valtier, J. C
Benko, J. M
Bognar, Zs
Niemczura, E
Amado, P. J
Suarez, J. C
Moya, A
Rodriguez-Lopez, C
Garrido, R
Lefever, Karolien
Issue Date: 2009
Publisher: Amer inst physics
Host Document: Stellar pulsation: challenges for theory and observation vol:1170 pages:394-396
Series Title: AIP Conference Proceedings
Conference: International Conference on Stellar Pulsation - Challenges for Theory and Observation Santa Fe, NM, MAY 31-JUN 05, 2009
Abstract: The beta Cephei star HD 180642 was observed by the CoRoT satellite during a run of 156 days in 2007. The space white light photometry revealed the rich frequency spectrum of the star (Degroote et al. 2009). In the present study, we provide additional information on the target, based on both ground-based multi-colour photometry and high-resolution spectroscopy. We place our object in the (T-eff, logg) diagram. In addition, we derive the chemical abundances of several elements as well as the metallicity of HD 180642. Finally, we put constraints on the identification of some modes. All these observational constraints will be used to compute stellar models of the target.
ISBN: 978-0-7354-0707-7
ISSN: 0094-243X
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Institute of Astronomy
Research Unit KU Leuven Centre for IT & IP Law (CiTiP)

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