Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....75..193c&link_type=abstract
Astronomy and Astrophysics, vol. 75, no. 1-2, May 1979, p. 193-196.
Astronomy and Astrophysics
Astrophysics
18
Analogs, Radiation Distribution, Solar Flux, Solar Spectra, Stellar Spectrophotometry, Ubv Spectra, Electrophotometry, Monochromatic Radiation, Stellar Luminosity, Stellar Models
Scientific paper
A summary is presented of the methods used to determine the B-V and U-B colors of the sun. Determinations of B-V are found to group around 0.635 m and 0.670 m which appears to be a significant discrepancy probably due to systematic errors. A method employing photoelectric spectrophotometry of the sun and stars for selecting solar analogs is presented. Results show HR 483 to be the closest match to the sun; seven other stars are almost as close a match. The mean spectral type of this set of stars is G2.4 V and mean B-V and U-B are 0.63 m plus or minus 0.01 m and 0.12 m plus or minus 0.02 m, respectively.
Clements G. L.
Neff John S.
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