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Title: Observed and computed UV spectral distribution of A and F stars
Authors: Malagnini, M. L.; Faraggiana, R.; Morossi, C.; Crivellari, L.
Affiliation: AB(Osservatorio Astronomico; Trieste, Universita, Trieste, Italy) AD(Osservatorio Astronomico, Trieste, Italy)
Journal: Astronomy and Astrophysics, vol. 114, no. 1, Oct. 1982, p. 170-176. Research supported by the Consiglio Nazionale delle Ricerche. (A&A Homepage)
Publication Date: 10/1982
Category: Astrophysics
Origin: STI
NASA/STI Keywords: A STARS, F STARS, SPECTRAL ENERGY DISTRIBUTION, STELLAR SPECTRA, STELLAR TEMPERATURE, ULTRAVIOLET ASTRONOMY, TABLES (DATA), VISIBLE SPECTRUM, WAVELENGTHS
Bibliographic Code: 1982A&A...114..170M

Abstract

An automatic and fast procedure was implemented to determine Te and log g from the comparison of the UV S 2/68 spectra with the Kurucz models. The method has been applied to all A and F stars with (B-V)0 greater than or equal to 0 and luminosity classes III, IV, IV-V, and V, included in the Ultraviolet Bright-Star Spectrophotometric Catalogue. From the analysis, it appears that the models match the observed fluxes fairly well and that the effective temperatures derived from the UV data agree with those derived from Stromgren photometric indices within 200 K.

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