Astrometric Data for Southern Double Stars

Details Astrometric Data for Southern Double Stars Astrometric Data for Southern Double Stars

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ala..conf..191l&link_type=abstract

Astronomy in Latin America, Second Meeting on Astrometry in Latin America and Third Brazilian Meeting on Fundamental Astronomy,

Astronomy and Astrophysics

Astronomy

1

Scientific paper

Double stars are very important for astronomy since their orbital motion offers the posssibility of determining the mass of the system. In order to accomplish this goal, a series of measurements -through the yearsof the paramenters angular distance and separation of the components of the system have to be obtained. We propose the determination of these parameters by making use of already existing astrometric catalogues available from the different Data Centers as well as the re-reduction of images obtained from the digitization of old photographic sky surveys and new digital sky surveys (a process we propose to call image mining) also available from a number of places. We also expect to make modern observations for those pairs whose parameters have appreciably changed since the last observation. The objects to be studied will be selected from the neglected star lists of theWashington Double Stars (WDS) Catalogue.

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