Other
Scientific paper
Jun 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991azh....68..501k&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 68, May-June 1991, p. 501-511. In Russian.
Other
1
Astronomical Catalogs, Energy Distribution, Stellar Spectra, Stellar Spectrophotometry, Far Ultraviolet Radiation, Stellar Luminosity, Stellar Magnitude, Visible Spectrum
Scientific paper
The new energy distribution in the spectra of seven standard stars (Beta Ari, Gamma Ori, Beta Tau, Alpha Leo, Eta UMa, Alpha Aql, and Alpha Peg) is compared with findings of other authors. In most cases, the data are in agreement within 2 to 3 percent for Beta Tau, Alpha Leo, Alpha Aql, and Alpha Peg. The largest mean differences (10 to 15 percent, in the 4000-5000 A region) are found in Beta Ari and Gamma Ori. Evidence for the small variability of Beta Ari, Gamma Ori, and Eta UMa as the cause of these discrepancies is considered. The investigation of the photometric homogeneity of the standard star system is based on observations made by the method developed by Nikonov (1976) for the sample stars. The uncertainty connected with using different standards is estimated at 2.5 percent.
Kharitonov A.. V.
Knyazeva L. N.
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