Ray tracing in relativistic astrometry: the boundary value problem

Details Ray tracing in relativistic astrometry: the boundary value problem Ray tracing in relativistic astrometry: the boundary value problem

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cqgra..20.2251b&link_type=abstract

Classical and Quantum Gravity, Volume 20, Issue 11, pp. 2251-2259 (2003).

Astronomy and Astrophysics

Astronomy

4

Scientific paper

Relativistic astrometry has recently become an active field of research owing to new observational technologies which allow for accuracies of a microarcsecond. To assure this accuracy in data analysis, one has to perform ray tracing in a general relativistic framework including terms of the order of (v/c)3 in the weak field treatment of Einstein equations applied to the solar system. Basic to the solution of a ray tracing problem are the boundary conditions that one has to fix from the observational data. In this paper we solve this problem to (v/c)3 in a fully analytical way.

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