Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-08-05
First Middle East and Aerica IAU- Regional Meeting Proceeding MEARIM No.1,2008
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
7 pages conference
Scientific paper
10.1017/977403330200102
Solar-Limb Effect is an observational phenomena connected to the solar gravitational red-shift. It shows a variation of the magnitude of the gravitational red-shift from the center to the limb of the solar disc. In the present work an attempt, for interpreting this phenomena using a general relativistic red-shift formula, is given . This formula takes into account the effect of the the Sun's gravitational field, the effect of the solar rotation, the effect of inclination of the line of sight and the motion of the observer. In this study the gravitational field of the Sun is assumed to be given by Lense-Thirring field instead of the Schwarzschild one. The Earth is assumed to move along an elliptic orbit. Comparison with a previous relativistic study and with observation is given.
El Gammal S. I.
Morcos A. B.
Wanas M. I.
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