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Various applications of multicolour photometry and radial velocity data for multimode $\delta$ Scuti stars

Published online by Cambridge University Press:  02 March 2005

J. Daszyńska-Daszkiewicz ,
W.A. Dziembowski ,
A.A. Pamyatnykh ,
M. Breger  and
W. Zima
J. Daszyńska-Daszkiewicz
Affiliation:
Astronomical Institute of Wrocław University, ul. Kopernika 11, Poland, email: daszynska@astro.uni.wroc.pl Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland
W.A. Dziembowski
Affiliation:
Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland Warsaw University Observatory, Al. Ujazdowskie 4, Poland
A.A. Pamyatnykh
Affiliation:
Copernicus Astronomical Center, ul. Bartycka 18, 00-716 Warsaw, Poland Institute of Astronomy, Russian Academy of Science, Pyatnitskaya 48, Moscow, Russia
M. Breger
Affiliation:
Institute of Astronomy, University of Vienna, Türkenschanzstr. 17, Austria
W. Zima
Affiliation:
Institute of Astronomy, University of Vienna, Türkenschanzstr. 17, Austria
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Abstract

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In addition to revealing spherical harmonic degrees, $\ell$, of excited modes, pulsational amplitudes and phases from multicolour photometry and radial velocity data yield valuable constraints on stellar atmospheric parameters and on subphotospheric convection. Multiperiodic pulsators are of particular interest because each mode yields independent constraints. We present an analysis of data on the twelve modes observed in FG Vir.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Stars: oscillations$\delta$ Scutistars: fundamental parametersconvectionstars: individual: (FG Vir)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS224 , July 2004 , pp. 853 - 859
Copyright
© 2004 International Astronomical Union