An analysis of the atmosphere of T Vulpeculae

Details An analysis of the atmosphere of T Vulpeculae An analysis of the atmosphere of T Vulpeculae

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ap%26ss..77..369r&link_type=abstract

Astrophysics and Space Science, vol. 77, no. 2, July 1981, p. 369-381.

Astronomy and Astrophysics

Astrophysics

3

Abundance, Cepheid Variables, Line Spectra, Stellar Atmospheres, Stellar Spectra, Stellar Spectrophotometry, Electron Pressure, Gas Pressure, Iron, Light Curve, Opacity, Pressure Ratio, Radial Velocity, Stellar Magnitude, Stellar Motions

Scientific paper

Ten spectrograms of T Vu! at a dispersion of 8.47 A mm' have been used for an analysis of the parameters of stellar atmosphere during its pulsation cycle. A differential curve of growth method relative to the Sun has been used to evaluate atmospheric parameters. The range in Oexc ~S from 0.88 to 1.00. Mean abundances for twenty elements have been estimated relative to [NFe]. A deficiency by a factor of 2.4 has been found in s-process elements with respect to those formed by the e-process

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