Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...128..375m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 128, no. 2, Dec. 1983, p. 375-383. Research supported by the Consiglio Naziona
Astronomy and Astrophysics
Astronomy
25
B Stars, Early Stars, Spectral Energy Distribution, Stellar Spectra, Ultraviolet Astronomy, Visible Spectrum, A Stars, Abundance, Calibrating, Stellar Luminosity
Scientific paper
The automatic and fast procedure described in Malagnini et al (1982) has been applied to a comparison of UV and visual spectral distributions with Kurucz' (1979) models. The 48 stars of spectral types B-A0 and luminosity classes III-V that are included both in the Ultraviolet Bright Star Spectrophotometric Catalog and in the Breger Catalog have been analyzed. The complete set of observations permits fairly accurate effective temperature and angular diameter determinations. Comparisons with other sources are also presented. The comparison between computed and observed fluxes shows that the residuals are always very small in the visual region, while residuals in the region 1360-1500 A, at 1760 A, and at 2740 A, are fairly large and independent of spectral types.
Faraggiana Rosanna
Malagnini Maria Lucia
Morossi Carlo
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