Asteroseismology of the β Cep star ν Eri: initial results

Details Asteroseismology of the β Cep star ν Eri: initial results Asteroseismology of the β Cep star ν Eri: initial results

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..310..221h&link_type=abstract

Variable Stars in the Local Group, IAU Colloquium 193, Proceedings of the conference held 6-11 July, 2003 at Christchurch, New Z

Physics

1

Scientific paper

We have acquired about 1200 hr of both spectroscopic and photometric measurements of the β Cep star v Eri with 22 telescopes around the world, detecting and identifying seven independent pulsation modes. They are the radial fundamental mode, an l = 1, g1 triplet, an l = 1, p1 doublet and an l = 1, p2 singlet. Seismic model calculations by two independent teams suggest that it is not possible to explain the pulsational behavior of v Eri with standard stellar models. Some modifications of the input physics are required.

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