Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2012-04-14
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
4 pages, 2 figures, conference proceedings, to appear in ASSP
Scientific paper
We present the results of complex seismic modelling of the Slowly Pulsating B-type star HD74560. The star pulsates in five frequencies detected in photometric observations. For all these frequencies, we identify the mode degree, $\ell$. For two of them, found also in spectroscopic data, we are able to derived the empirical values of the complex nonadiabatic parameter $f$. We test effects of chemical composition and opacity data. Our results show that the properties of seismic models of SPB stars differ significantly from those of the more massive $\beta$ Cephei stars.
Daszy{ń}ska-Daszkiewicz Jadwiga
Szewczuk Wojciech
Walczak Przemysław
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