A rigorous method of calculating the deflection of light in the gravitational field of the sun

Details A rigorous method of calculating the deflection of light in the gravitational field of the sun A rigorous method of calculating the deflection of light in the gravitational field of the sun

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984acasn..25..168p&link_type=abstract

(Acta Astronomica Sinica, vol. 25, no. 2, 1984, p. 168-176) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 8, Dec. 19

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Computational Astrophysics, Deflection, Gravitational Fields, Light (Visible Radiation), Solar Gravitation, Astrometry, Photons, Schwarzschild Metric

Scientific paper

Starting from the equation for the path of a photon in a gravitational field, a method of calculating the deflection of starlight in the solar field is derived. The transformation from the noninertial system at the sun to the locally inertial system of the observer is considered. Calculation was made under the Schwarzschild metric. The results for the deflection before making coordinate transformation agree well with the results according to the IAU formulas (1981); but when an accuracy of 0.001 arcsec is required, then the coordinate transformation must be included.

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