Acceleration and Stochastic
نویسنده
چکیده
The Hipparcos astrometric parameters were obtained through the merging of abscissae data obtained by FAST and NDAC Consortia. Using a diierent weighting scheme, close but diierent astrometric solutions may be obtained. The resulting innuence on acceleration (G) and stochastic (X) solutions is discussed; these solutions are studied from the point of view of the possible signature of astrometric binaries.
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