Article Dans Une Revue Astronomy & Astrophysics - A&A Année : 2009

Asteroseismic analysis of the CoRoT delta Scuti star HD 174936

Résumé

We present an analysis of the delta-Scuti star HD 174936 (ID 7613) observed by CoRoT during the first short run SRc01 (27 days). A total number of 422 frequencies were extracted from the light curve using standard prewhitening techniques. This number of frequencies was obtained by considering a spectral significance limit of sig = 10 using the software package SigSpec. Our analysis of the oscillation frequency spectrum reveals a spacing periodicity around 52 muHz. Although modes considered here are not in the asymptotic regime, a comparison with stellar models confirms that this signature may stem from a quasi-periodic pattern similar to the so-called large separation in solar-like stars.

Dates et versions

hal-03796983 , version 1 (04-10-2022)

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Citer

A. García Hernández, Andrés Moya, Eric Michel, Rafael Garrido, Juan Carlos Suárez, et al.. Asteroseismic analysis of the CoRoT delta Scuti star HD 174936. Astronomy & Astrophysics - A&A, 2009, 506, pp.79-83. ⟨10.1051/0004-6361/200911932⟩. ⟨hal-03796983⟩
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