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Mode Identification in Subdwarf B Stars from Multi-Wavelength Observations
Randall, Suzanna K; Fontaine, Gilles; Brassard, Pierre et al.
2014In Astronomical Society of the Pacific Conference Series, 481, p. 139
 

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Abstract :
[en] We present several examples of partial mode identification for rapidly pulsating subdwarf B stars on the basis of multi-colour observations. Three targets (V391 Per, Balloon 090100001, and EC 11583−2708) were analysed from multi-colour photometry, while studies were conducted from time-series spectrophotometry for two further stars (EC 20338−1925 and EC 01541−1409). In all cases, periodicities strongly dominating the frequency spectrum are associated with radial modes, indicating a clear hierarchy according to visibility when integrating over the visible disk of the star.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Randall, Suzanna K
Fontaine, Gilles
Brassard, Pierre
Van Grootel, Valérie  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie
Charpinet, Stéphane
Language :
English
Title :
Mode Identification in Subdwarf B Stars from Multi-Wavelength Observations
Publication date :
2014
Event name :
Sixth meeting on hot subdwarfs and related objects
Event organizer :
Elizabeth M. Green
Event place :
Tucson, United States
Event date :
19-24 mai 2013
Audience :
International
Journal title :
Astronomical Society of the Pacific Conference Series
ISSN :
1050-3390
Publisher :
Astronomical Society of the Pacific, San Francisco, United States - California
Volume :
481
Pages :
139
Available on ORBi :
since 07 January 2014

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