The 2nd-order Post-Newtonian Orbit Equation of Light

Based on the 2nd-order post-Newtonian approximation under the DSX frame of the general relativity theory, the 2nd-order post-Newtonian orbital equation of light in the axis-symmetrical stationary spacetime is derived, and from this, the angle of deflection of light propagating in the equatorial plan...

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Bibliographic Details
Published in:Chinese astronomy and astrophysics 2008-10, Vol.32 (4), p.423-428
Main Authors: Xiao, Yu, Fei, Bao-Jun, Sun, Wei-Jin, Ji, Cheng-Xiang
Format: Article
Language:English
Subjects:
celestial mechanics
relativity
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Summary:Based on the 2nd-order post-Newtonian approximation under the DSX frame of the general relativity theory, the 2nd-order post-Newtonian orbital equation of light in the axis-symmetrical stationary spacetime is derived, and from this, the angle of deflection of light propagating in the equatorial plane is derived. The obtained results are consistent with those of the Schwarzchild and Kerr metrics within the limits of measuring precision.
ISSN:0275-1062
1879-128X
DOI:10.1016/j.chinastron.2008.10.006