Singular values σi of the normal matrix for the different types of direct solutions.
|σ 1||5.6 × 10-6||0.015||0.017||0.017|
|. . .||. . .||. . .||. . .||. . .|
Notes. The singular values are sorted lowest to highest. The different solutions are denoted by the parameters included in the fit: S, B and A stand respectively for the astrometric (star) parameters, basic angle, and attitude angles.
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