Binarity and multiperiodicity in high-amplitude delta Scuti stars

Details Binarity and multiperiodicity in high-amplitude delta Scuti stars Binarity and multiperiodicity in high-amplitude delta Scuti stars

2005-09-16

arxiv.org/abs/astro-ph/0509485v1

Mem.Soc.Ast.It.77:517-518,2006

Astronomy and Astrophysics

Astrophysics

2 pages, conference proceedings, Workshop on Stellar Pulsation and Evolution, Rome, June 2005

Scientific paper

We present our first results for a sample of southern high-amplitude delta
Scuti stars (HADS), based on a spectrophotometric survey started in 2003. For
CY Aqr and AD CMi, we found very stable light and radial velocity curves; we
confirmed the double-mode nature of ZZ Mic, BQ Ind and RY Lep. Finally, we
detected gamma-velocity changes in RS Gru and RY Lep

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