Modeling line profiles in Beta Cephei stars including temperature and pressure effects

Details Modeling line profiles in Beta Cephei stars including temperature and pressure effects Modeling line profiles in Beta Cephei stars including temperature and pressure effects

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aca....43...27c&link_type=abstract

Acta Astronomica (ISSN 0001-5237), vol. 43, no. 1, p. 27-38.

Statistics

Computation

8

Cepheid Variables, Line Spectra, Pressure Effects, Stellar Temperature, Computational Astrophysics, H Gamma Line, Spectral Line Width, Stellar Models, Stellar Oscillations

Scientific paper

Effects of temperature and pressure changes during pulsation cycle on line profiles in Beta Cephei stars are investigated. We find significant changes in residual intensities, FWHM and equivalent widths for radial pulsations when both these effects are included in model calculations. Radial velocity curves are also discussed. The presented approach may be useful for simultaneous analysis of continuum and line profiles variations in pulsating stars.

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