A SIMPLE CALCULATION OF GRAVITATIONAL LENSING ON THE ROTATING STARS

Authors

  • Norma Sidik Risdianto
  • Agung Laksana
  • Asih Melati

Keywords:

gravitational lensing, rotating stars, Lagrangian, Kerr metric, Deflection angle

Abstract

We propose a simple calculation to obtain the gravitational lensing on rotating stars. The calculation has been made by using a Lagrangian of Kerr metric and getting  for deflection angle. The calculation has been reduced to slow-rotating stars and equatorials case ()  for maximum deflection angle.

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Published

2018-11-25

Issue

Vol. 5 No. 1 (2017)

Section

Artikel
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