Astrometric-spectroscopic binary star orbits. I - HR 5273

Details Astrometric-spectroscopic binary star orbits. I - HR 5273 Astrometric-spectroscopic binary star orbits. I - HR 5273

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....93..683k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 93, March 1987, p. 683-687. NSERC-supported research.

Astronomy and Astrophysics

Astronomy

8

Astrometry, Binary Stars, Stellar Orbits, Astronomical Spectroscopy, Orbital Elements, Radial Velocity, Stellar Parallax

Scientific paper

By combining astrometric observations made at the Allegheny Observatory with radial-velocity observations at the David Dunlap Observatory, the author has obtained orbital elements and an improved parallax for the nearby G8 V star HR 5273. The period is found to be 9.90±0.02 yr, with a photocentric semimajor axis of 0arcsec.108±0arcsec.004 and an absolute parallax of 0arcsec.067±0arcsec.005. The pair should now be near maximum separation.

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