Photographic astrometry of binary and proper-motion stars. VI

Details Photographic astrometry of binary and proper-motion stars. VI Photographic astrometry of binary and proper-motion stars. VI

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991aj....101.1071h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 101, March 1991, p. 1071-1074. Research supported by Swarthmore College and Keck Fou

Astronomy and Astrophysics

Astronomy

12

Astrometry, Astronomical Photography, Binary Stars, Stellar Motions, Stellar Parallax, Astronomical Catalogs, Sky Surveys (Astronomy), Stellar Luminosity, Stellar Mass

Scientific paper

Results are reported from observations of 85 parallax stars, obtained on photographic plates on over 5000 nights using the Sproul refractor at Swarthmore College Observatory. The trigonometric parallaxes determined from the plates are presented in tables and briefly characterized. Also provided are the calculated mass ratios for 13 binary stars in the sample.

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