Error characterization of the Gaia astrometric solution

Author: Holl B.   Lindegren L.   Hobbs D.  

Publisher: Edp Sciences

E-ISSN: 1432-0746|543|issue|A15-A15

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.543, Iss.issue, 2012-06, pp. : A15-A15

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Abstract

Context. To use the data in the future Gaia catalogue it is important to have accurate estimates of the statistical uncertainties and correlations of the errors in the astrometric data given in the catalogue.