Close visual binaries. I - MK classifications

Details Close visual binaries. I - MK classifications Close visual binaries. I - MK classifications

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apjs...55..657c&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 55, Aug. 1984, p. 657-677.

Astronomy and Astrophysics

Astrophysics

35

Binary Stars, Stellar Spectra, Ubv Spectra, Visible Spectrum, Error Analysis, Mass To Light Ratios, Stellar Evolution, Stellar Magnitude, Stellar Spectrophotometry, Tables (Data)

Scientific paper

Each component of 170 close visual binaries has been classified with new procedures for controlling contamination problems. These classifications are presented and are shown to be on the MK system. Two sources of area scanner UBV photometry were compared in order to establish homogeneous photometric as well as spectroscopic data. From a consideration of systematic errors in the V magnitude difference (Delta V) between components the photometry of Hurly and Warner (1983) is to be preferred. Absolute magnitudes for each binary are derived from Delta V via a tested MK - M(v) map.

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