Time-dependent convection seismic study of δ Sct stars

被引：19
|
作者：
Dupret, MA
Grigahcène, A
Garrido, R
De Ridder, J
Scuflaire, R
Gabriel, M
机构：
[1] CSIC, Inst Astrofis Andalucia, E-18080 Granada, Spain
[2] Observ Paris, LESIA, F-92195 Meudon, France
[3] Univ Liege, Inst Astrophys & Geophys, Liege, Belgium
[4] Katholieke Univ Leuven, Inst Sterrenkunde, B-3001 Louvain, Belgium
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2005年 / 361卷 / 02期
关键词：
convection; stars : interiors; stars : oscillations; delta Scuti;
D O I：
10.1111/j.1365-2966.2005.09187.x
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We apply for the first time the time-dependent convection (TDC) treatment of Gabriel and Grigahcene et al. to the mode identification and seismic study of 6 Set stars. We consider the influence of this treatment on the photometric amplitude ratios and phase differences, and compare our TDC results to frozen convection (FC) results. We also compare the results obtained with different values of the mixing-length (ML) parameter a. Finally, we identify the modes and perform a seismic study of the stars V784 Cassiopeae (Cas), 1 Monocerotis (Mon) and 28 Andromedae (And), and show that our TDC models agree better with observations than FC models.
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页码：476 / 486
页数：11
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