The role of pre-Gaia positional data in determining binary orbits with Gaia data†

Details The role of pre-Gaia positional data in determining binary orbits with Gaia data† The role of pre-Gaia positional data in determining binary orbits with Gaia data†

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..248...16r&link_type=abstract

A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Vol

Astronomy and Astrophysics

Astronomy

Stars: Fundamental Parameters, Binaries: General, Methods: Data Analysis

Scientific paper

Simulations show that incorporating the pre-Gaia positional data into
the Gaia astrometric data can significantly improve the efficiency of
determining binary orbits, especially for those binaries with periods
from 8 to 25 years.

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