Masses Mass Ratios and Parallaxes from Astrometric Studies of Seven Visual Binaries

Details Masses Mass Ratios and Parallaxes from Astrometric Studies of Seven Visual Binaries Masses Mass Ratios and Parallaxes from Astrometric Studies of Seven Visual Binaries

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1237l&link_type=abstract

ASTRONOMICAL JOURNAL V. 87, P.1237, 1982

Astronomy and Astrophysics

Astronomy

7

Scientific paper

Long-interval series of plates on visual binaries taken with the Sproul 61-cm refractor are analyzed for parallax, mass, and mass ratio. The results are all the first astrometric mass-ratio determinations to be published. All are presumed to be main-sequence stars with spectral types later than F0V, except for the ADS 8939 system whose primary is classified as A6III. Three of the visual systems have a component that is a spectroscopic binary.

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