Observability of spectroscopic double stars by HIPPARCOS

Details Observability of spectroscopic double stars by HIPPARCOS Observability of spectroscopic double stars by HIPPARCOS

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.234..165d&link_type=abstract

In ESA The European Astrometry Satellite HIPPARCOS: Scientific Aspects of the Input Catalog Preparation p 165-170 (SEE N86-1838

Astronomy and Astrophysics

Astronomy

Binary Stars, Hipparcos Satellite, Stellar Spectra, Astronomical Catalogs, Spaceborne Astronomy, Stellar Spectrophotometry

Scientific paper

Spectroscopic binaries were proposed for observation by HIPPARCOS. Their admittance in the Input Catalog is subordinated to the behavior of their photocenters of which the orbital oscillation on the sky must remain inside narrow limits bound to the accuracy of the HIPPARCOS observation technique. It is shown that at least 90% of the known spectroscopic orbital binaries fulfill this requirement.

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