Mode Selection Mechanism in B-Type Pulsators: Observational Clues

Details Mode Selection Mechanism in B-Type Pulsators: Observational Clues Mode Selection Mechanism in B-Type Pulsators: Observational Clues

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aspc..310..267j&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

Astronomy and Astrophysics

Astronomy

Scientific paper

Linear nonadiiabatic calculations for models of B-type pulsators predict many more unstable modes than actually observed, therefore a mode selection mechanism must operate in these stars. To investigate this problem quantitatively, available data for singly periodic and multi periodic β Cephei variables are compared. No clear cut differences are found. The slight difference in [m/H], noted recently by Daszynska et al. (2003), may indicate the solution.

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