LATOR: laser astrometric test of relativity

Jeffrey W. Yu; Michael Shao; Yekta Gursel; Ron Hellings

doi:10.1117/12.177250

9 June 1994 LATOR: laser astrometric test of relativity

Jeffrey W. Yu, Michael Shao, Yekta Gursel, Ron Hellings

Proceedings Volume 2200, Amplitude and Intensity Spatial Interferometry II; (1994) https://doi.org/10.1117/12.177250
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

LATOR is a space-based experiment to accurately measure the gravitational deflectional deflection of light. The experiment uses two laser bearing spacecraft at the opposite side of the Sun and a very long baseline heterodyne interferometer to measure the angle at an accuracy of 0.2 uas. Combining this measurement with laser ranging from Earth to both spacecraft, gravitational deflection can be made with an accuracy 5000 times better than previously done and will allow measurements of the second order and frame dragging effects.

Citation Download Citation

Jeffrey W. Yu, Michael Shao, Yekta Gursel, and Ron Hellings "LATOR: laser astrometric test of relativity", Proc. SPIE 2200, Amplitude and Intensity Spatial Interferometry II, (9 June 1994); https://doi.org/10.1117/12.177250

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