Data Mining for Double Stars in Astrometric Catalogs

Details Data Mining for Double Stars in Astrometric Catalogs Data Mining for Double Stars in Astrometric Catalogs

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aj....132...50w&link_type=abstract

The Astronomical Journal, Volume 132, Issue 1, pp. 50-60.

Astronomy and Astrophysics

Astronomy

5

Key Word: Stars: Binaries: Visual

Scientific paper

The US Naval Observatory has mined over 140 astrometric catalogs, including the Astrographic Catalogue and the Two Micron All Sky Survey, for measures of double stars. This resulted in 114,218 new measures of 47,007 different systems spanning 110 years; these are now included in the Washington Double Star catalog (WDS). This is the single largest data set ever added to the WDS. The measures are typically of wider pairs, most between 4" and 30" thus, their value in aiding orbit determination is limited. However, they have proven invaluable in the verification of systems and the determination of rectilinear motions of systems.

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