| タイトル | Measurement of the PPN Parameter (gamma) with radio signals from the Cassini Spacecraft at X- and Ka-Bands |
| 著者（英） | Giampieri, Giacomo; Anderson, John D.; Lau, Eunice L. |
| 発行日 | 2005-12-13 |
| 言語 | eng |
| 内容記述 | Radio Doppler data from the Cassini spacecraft during its solar conjunction in June 2002 can be used to measure the bending of light by solar gravitation. In terms of the standard post-Newtonian parameter (gamma), we find that (gamma) - 1 = (-1.3 +/- 5.2)x10^-5 in agreement with the theory of General Relativity. This result implies that the parameter (omega) in the Brans-Dicke theory is greater than 9000 at a 95% confidence level. |
| NASA分類 | Astrophysics |
| 権利 | Copyright |
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