Astrometric-spectroscopic binary star orbits. III - Alpha Ophiuchi and Delta Aquilae

Details Astrometric-spectroscopic binary star orbits. III - Alpha Ophiuchi and Delta Aquilae Astrometric-spectroscopic binary star orbits. III - Alpha Ophiuchi and Delta Aquilae

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....98..686k&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 98, Aug. 1989, p. 686-691.

Astronomy and Astrophysics

Astronomy

9

Astrometry, Binary Stars, Ophiuchi Clouds, Stellar Orbits, Cross Correlation, Infrared Interferometers, Radial Velocity, Stellar Parallax

Scientific paper

Improved orbits are derived for the well-known astrometric binaries Alpha Ophiuchi and Delta Aquilae from a combination of photographic astrometric observations and cross-correlation radial velocities. In addition, for Alpha Ophiuchi, infrared speckle observations have made possible the derivation of complete orbital elements and an estimate of the component masses.

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