Precise mass and spin measurements for a stellar-mass black hole through X-ray timing: the case of GRO J1655-40

  title={Precise mass and spin measurements for a stellar-mass black hole through X-ray timing: the case of GRO J1655-40},
  author={Sara E Motta and Tomaso Belloni and L.Stella and Teo Mu{\~n}oz-Darias and Robert P. Fender},
  journal={Monthly Notices of the Royal Astronomical Society},
We present a systematic analysis of the fast time variability properties of the transient black hole binary GRO J1655-40, based on the complete set of RossiXTE observations. We demonstrate that the frequencies of the quasi-periodic oscillations and of the broad band noise components and their variations match accurately the strong field general relativistic frequencies of particle motion in the close vicinity of the innermost stable circular orbit, as predicted by the relativistic precession… 

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