The astrometric core solution for the Gaia mission: Overview of models, algorithms, and software implementation

Astronomy and Astrophysics

Volumn 538, Issue , 2012, Pages

  Lindegren, L ^a   Lammers, U ^b   Hobbs, D ^a   O'Mullane, W O'Mullane ^b   Bastian, U ^c   Hernandez J ^b  

^a LUND UNIVERSITY   (Sweden)

^b EUROPEAN SPACE AGENCY   (Spain)

^c ASTRONOMISCHES RECHEN INSTITUT   (Germany)

Author keywords

Astrometry; Methods: data analysis; Methods: numerical; Space vehicles: instruments

Indexed keywords

ALGORITHMIC FRAMEWORK; ASTROMETRY; ATTITUDE REPRESENTATION; AUXILIARY PROCESS; B SPLINES; BROKEN DOWN; CHOLESKY; CORE SOLUTIONS; EFFICIENT IMPLEMENTATION; GAIA MISSION; GAIA SATELLITE; GLOBAL ITERATIVE SOLUTION; GLOBAL SOLUTIONS; ITERATIVE APPROACH; LEAST-SQUARES ESTIMATION; MATHEMATICAL TOOLS; METHODS: DATA ANALYSIS; METHODS: NUMERICALS; NUMERICAL SOLUTION METHOD; OBSERVATION EQUATION; PHYSICAL MODEL; PRIMARY SOURCES; PROPER MOTION; SATELLITE ATTITUDE; SIMULATED DATA; SOFTWARE IMPLEMENTATION; SOFTWARE SYSTEMS; SPACE VEHICLES: INSTRUMENTS; SYSTEM OF EQUATIONS;

ALGORITHMS; GEOMETRICAL OPTICS; INFORMATION MANAGEMENT; MATHEMATICAL MODELS; MODELS; NUMERICAL METHODS;

PROBLEM SOLVING;

EID: 84856714107     PISSN: 00046361     EISSN: 14320746     Source Type: Journal    
DOI: 10.1051/0004-6361/201117905     Document Type: Article

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