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2006MNRAS.368..571B - Mon. Not. R. Astron. Soc., 368, 571-578 (2006/May-2)
Amplitude variability or close frequencies in pulsating stars – the δ Scuti star FG Vir.
BREGER M. and PAMYATNYKH A.A.
Abstract (from CDS):
If we examine these three close frequency pairs together with other (usually more widely separated) close frequencies in FG Vir, 18 pairs of frequencies with separations closer than 0.10 cycle/d have been detected. It is shown that the majority of the pairs occur near the theoretically expected frequencies of radial modes. Mode identifications are available for only a few modes: the only detected radial mode at 12.15 cycle/d is part of a close pair.
It is shown that accidental agreements between the frequencies of excited modes can be ruled out because of the large number of detected close frequency doublets.
Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS
Journal keyword(s): techniques: photometric - stars: individual: FG Vir - stars: oscillations - δ Scuti
Simbad objects: 6
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