Spectral classification and UBV photometry of bright visual double stars

Details Spectral classification and UBV photometry of bright visual double stars Spectral classification and UBV photometry of bright visual double stars

Jun 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977aj.....82..431l&link_type=abstract

Astronomical Journal, vol. 82, June 1977, p. 431-434.

Astronomy and Astrophysics

Astronomy

27

Binary Stars, Stellar Luminosity, Stellar Spectrophotometry, Ubv Spectra, Astronomical Catalogs, B Stars, Classifications, O Stars, Stellar Magnitude

Scientific paper

Spectral types, luminosity classes, and photoelectric UBV magnitudes are presented for the components of 91 visual double-star systems. The spectrograms used for classification were obtained with a reciprocal dispersion of 128 A/mm, and the UBV observations were made at projected diaphragm sizes of 15, 20, and 33 arcsec. The problem of scattered light arising during photoelectric observations of visual binaries is discussed.

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