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Limits for the application of spectroscopic mode ID methods
Zima, W.; Kolenberg, K.; Briquet, Maryline et al.
2004In IAU Symposium, No. 224, The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004.
 

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Keywords :
Line: profiles; methods: numerical; techniques: spectroscopic; stars: individual: (FG Vir; 44 Tau); stars: oscillations.
Abstract :
[en] Spectroscopic mode identification techiques, which monitor intensity variations across an absorption line, provide the possibility of determining the quantum numbers l and m, the inclination and the intrinsic pulsation amplitude of a star. Of course, the uncertainties of the mode identification are dependent on the quality of the observations and the identification method applied. We have focused on the Pixel-by-pixel method/Direct line profile fitting (Mantegazza 2000) and the Moment method (Balona 1987, Briquet & Aerts 2003) for pinpointing mode parameters and tested the impact of various observational effects and stellar properties on the identification.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Zima, W.
Kolenberg, K.
Briquet, Maryline ;  Katholieke Universiteit Leuven - KUL > Instituut voor Sterrenkunde
Breger, M.
Language :
English
Title :
Limits for the application of spectroscopic mode ID methods
Publication date :
01 December 2004
Event name :
IAU Symposium 224, The A-Star Puzzle
Event date :
from 08-07-2004 to 13-07-2004
Audience :
International
Main work title :
IAU Symposium, No. 224, The A-Star Puzzle, held in Poprad, Slovakia, July 8-13, 2004.
Pages :
780-785
Commentary :
ISBN: <ISBN>0521850185</ISBN> 0521850185
Available on ORBi :
since 04 July 2012

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