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Mode Discrimination in Nonradially Oscillating Stars From Light, Colour and Velocity Observations
Published online by Cambridge University Press: 12 April 2016
Abstract
Expressions for the amplitudes and phases of the light, colour and radial velocity variations are derived for a star in nonradial oscillation. For stars in the cepheid instability strip the spherical harmonic mode of the oscillation can be obtained from the phase difference between the light and colour variations. For 3 Cep stars the mode can be estimated from the amplitude ratio of the light and colour variations.
- Type
- IV. δ Scuti and Dwarf Cepheid Variables
- Information
- International Astronomical Union Colloquium , Volume 58: Stellar Hydrodynamics , August 1980 , pp. 371 - 376
- Copyright
- Copyright © Reidel 1980