Stellar acoustics. III - Pulse propagation and bump features

Details Stellar acoustics. III - Pulse propagation and bump features Stellar acoustics. III - Pulse propagation and bump features

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...296..165a&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 296, Sept. 1, 1985, p. 165-168.

Astronomy and Astrophysics

Astrophysics

5

Acoustic Propagation, Cepheid Variables, Pulses, Stellar Models, Stellar Oscillations, Wave Propagation, Geometrical Acoustics, Propagation Velocity, Standing Waves

Scientific paper

The propagation of an acoustic pulse of short wavelength is shown to be well predicted by adiabatic geometric acoustics, and this fact is used to analyze the motions in several models of bump Cepheids. On the basis of the calculated acoustic fluxes, it is concluded that the mode-resonance model is more appropriate than the pulse-resonance model for bump Cepheids.

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