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Frequency of moving photons around Schwarchild BH

  1. Dec 14, 2008 #1
    please I was trying to solve this question in Black hole and General relativity
    an observer is moving on a circuler orbit (r) around a Schwarchild blackHole of mass (M) ,He emits 3 photons of the frequency ω0 in 3 direction of motion ,Orthogonal ,along and opposite to plane of motion

    what are the frequency of these 3 photons as measured by observer at rest at infinty (find these frequency for emission from the last stable circuler orbit)

    Thank you very much your help is really apperciated
  2. jcsd
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