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arXiv · 1312.1821

Towards sub-microarcsecond models for relativistic astrometry

S. Zschocke·S. A. Klioner·M. H. Soffel
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Abstract

Astrometric space missions like Gaia have stimulated a rapid advance in the field of relativistic astrometry. Present investigations in that field aim at accuracies significantly less than a microarcsecond. We review the present status of relativistic astrometry. As far as the problem of light propagation is concerned we face two problems: the form of the BCRS metric and solutions to the light-ray equation. Finally, work in progress in that field is briefly mentioned.

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S. Zschocke, S. A. Klioner, M. H. Soffel. 2013-12-06. Towards sub-microarcsecond models for relativistic astrometry. https://arxiv.org/abs/1312.1821

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