Secondary spectrophotometric standards - Mean energy distribution in the spectra of A stars

Details Secondary spectrophotometric standards - Mean energy distribution in the spectra of A stars Secondary spectrophotometric standards - Mean energy distribution in the spectra of A stars

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992azh....69.1062g&link_type=abstract

Astronomicheskij Zhurnal (ISSN 0004-6299), vol. 69, no. 5, p. 1062-1068.

Astronomy and Astrophysics

Astronomy

4

A Stars, Spectral Energy Distribution, Stellar Spectra, Standards, Stellar Atmospheres, Stellar Spectrophotometry

Scientific paper

Forty-nine A stars of IV and V luminosity classes are used to obtain mean spectral energy distributions of stars of different subtypes. Forty-six are in the catalog of 238 secondary spectrophotometric standards, which are characterized by good agreement between the spectrophotometric data of the Moscow and Alma-Ata catalogs. Three stars are primary standards. Mean energy distributions for all the subtypes of the A type in the range 3200-7600 A are presented. The effective temperatures obtained from a comparison with the theoretical model atmospheres of Kurucz (1979) are in satisfactory agreement with the T(eff) scale constructed on the basis of total flux determinations.

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