Observed p-mode spectra of AP stars and the Sun

Details Observed p-mode spectra of AP stars and the Sun Observed p-mode spectra of AP stars and the Sun

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.286..547m&link_type=abstract

In ESA, Seismology of the Sun and Sun-Like Stars p 547-549 (SEE N89-25819 19-92)

Physics

1

Helioseismology, P Waves, Stellar Oscillations, Stellar Spectra, Acoustic Frequencies, Stellar Luminosity, Velocity Distribution

Scientific paper

Five rapidly oscillating Ap (roAp) stars show evidence of multiple p-mode pulsations in their light or radial velocity variations for which estimates of their fundamental frequency spacing delta V0 can be made. These stars and the Sun have ratios of delta V0/V which fall near 0.025 and 0.04. Since delta V0/V should be roughly proportional to 1/(n + l/2), it is possible that there are common selected overtone regimes for the pulsations of the roAp stars and the Sun.

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