Radial and nonradial periods and growth rates of an AI Velorum model

Details Radial and nonradial periods and growth rates of an AI Velorum model Radial and nonradial periods and growth rates of an AI Velorum model

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.210..321g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 210, no. 1-2, p. 321-323 (IAU Colloquium 134)

Astronomy and Astrophysics

Astrophysics

Periodic Variations, Stellar Luminosity, Stellar Mass, Stellar Models, Stellar Oscillations, Harmonics, Nonadiabatic Conditions, Stellar Spectrophotometry

Scientific paper

Walraven, Walraven and Balona recently discovered several new periodicities in addition to the well-known fundamental and first overtone periods of the high-amplitude delta Scuti star AI Velorum. Linear nonadiabatic pulsation calculations were performed for an AI Velorum model of mass 1.96 solar mass, 24.05 solar luminosity, and Teff 7566 K for the radial and low-degree nonradial modes to help verify the tentative indentifications made by Walraven, et al. Comparison of the calculated periods with the observations suggests some alternatives to the identifications proposed by Walraven, et al.

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