Complexity of the Gaia astrometric least-squares problem and the (non-)feasibility of a direct solution method

Author： Bombrun A.   Lindegren L.   Holl B.   Jordan S.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|516|issue|A77-A77

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.516, Iss.issue, 2010-07, pp. : A77-A77

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