The Laser Astrometric Test of Relativity: Science, Technology, and Mission Design

Details The Laser Astrometric Test of Relativity: Science, Technology, and Mission Design The Laser Astrometric Test of Relativity: Science, Technology, and Mission Design

2007-01-18

arxiv.org/abs/gr-qc/0701102v1

Int.J.Mod.Phys.D16:2191-2203,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

12 pages, 4 figures. To appear in the proceedings of the International Workshop "From Quantum to Cosmos: Fundamental Physics R

Scientific paper

10.1142/S0218271807011747

The Laser Astrometric Test of Relativity (LATOR) experiment is designed to explore general theory of relativity in the close proximity to the Sun -- the most intense gravitational environment in the solar system. Using independent time-series of highly accurate measurements of the Shapiro time-delay (interplanetary laser ranging accurate to 3 mm at 2 AU) and interferometric astrometry (accurate to 0.01 picoradian), LATOR will measure gravitational deflection of light by the solar gravity with accuracy of 1 part in a billion -- a factor ~30,000 better than currently available. LATOR will perform series of highly-accurate tests in its search for cosmological remnants of scalar field in the solar system. We present science, technology and mission design for the LATOR mission.

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