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Issue A&A
Volume 407, Number 3, September I 2003
Page(s) 1097 - 1101
Section Formation and evolution of planetary systems
DOI http://dx.doi.org/10.1051/0004-6361:20030930



A&A 407, 1097-1101 (2003)
DOI: 10.1051/0004-6361:20030930

Atmospheric properties and abundances of the $\delta$ Scuti star FG Virginis

P. Mittermayer and W. W. Weiss

Department of Astronomy, University of Vienna, Türkenschanzstr. 17, 1180 Vienna, Austria
(Received 17 March 2003 / Accepted 12 June 2003 )

Abstract
Spectroscopic methods were used to investigate atmospheric parameters of FG Virginis to pinpoint the position of this $\delta$ Scuti variable in the HR diagram and to derive abundances. It was claimed in the literature that this $\delta$ Scuti star is slightly metal overabundant compared to the sun, but this could not be confirmed by us. The chemical composition of FG Vir turned out to be solar. Temperature and $\log{g}$ values are in good agreement with the models which fit the observed pulsation frequencies best.


Offprint request: P. Mittermayer, p.mittermayer@astro.univie.ac.at

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