Radioscience simulations in General Relativity and in alternative theories of gravity

Aurelien Hees, Peter Wolf, Brahim Lamine, Serge Reynaud, Marc-Thierry Jaekel, Christophe Le Poncin-Lafitte, Valery Lainey, Andre Fuzfa, Veronique Dehant

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Résumé

In this communication, we focus on the possibility to test GR with radioscience experiments. We present a new software that in a first step simulates the Range/Doppler signals directly from the space time metric (thus in GR and in alternative theories of gravity). In a second step, a least-squares fit of the involved parameters is performed in GR. This software allows one to get the order of magnitude and the signature of the modifications induced by an alternative theory of gravity on radioscience signals. As examples, we present some simulations for the Cassini mission in Post-Einsteinian gravity and with the MOND External Field Effect.
langue originaleAnglais
titreProceedings of the XLVIth Rencontres de Moriond and GPhys Colloquium 2011: Gravitational Waves and Experimental Gravity
Pages259
Nombre de pages4
Volume1105
Etat de la publicationPublié - 2011

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    Hees, A., Wolf, P., Lamine, B., Reynaud, S., Jaekel, M-T., Le Poncin-Lafitte, C., Lainey, V., Fuzfa, A., & Dehant, V. (2011). Radioscience simulations in General Relativity and in alternative theories of gravity. Dans Proceedings of the XLVIth Rencontres de Moriond and GPhys Colloquium 2011: Gravitational Waves and Experimental Gravity (Vol 1105, p. 259) http://adsabs.harvard.edu/abs/2011arXiv1105.5927H