Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...37..367o&link_type=abstract
Astronomy and Astrophysics Supplement Series, vol. 37, Aug. 1979, p. 367-396. Research supported by the Danish Natural Science
Astronomy and Astrophysics
Astrophysics
54
A Stars, Dwarf Stars, Stellar Spectrophotometry, Supergiant Stars, Ubv Spectra, Astrometry, Astronomical Catalogs, Astronomical Spectroscopy, Electrophotometers, G Stars, K Stars, Stellar Luminosity
Scientific paper
This paper investigates the degree of success with which uvby photometry can be applied to predict spectral classifications for 947 A, F, and G stars brighter than an apparent magnitude of 8.3 and with four-color indices indicating some kind of interesting, unusual, or peculiar spectrum. One or several possible spectral classifications are estimated for each star from photometry alone, double stars are distinguished, and the estimates are compared with published classifications. The results show that the framework provided by uvby photometry can be extended to include most G and K stars, reddened stars, peculiar stars, and certain types of double star.
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