Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.0108j&link_type=abstract
American Astronomical Society, HEAD meeting #12, #1.08
Astronomy and Astrophysics
Astrophysics
Scientific paper
According to the no-hair theorem, black holes are fully described by their masses and spins. In this talk, I will discuss a new framework for an observational test of the no-hair theorem. Our method is formulated in terms of a Kerr-like spacetime containing a quadrupole moment which is independent of both mass and spin and which measures potential deviations from the Kerr metric. I will show how timing observations of quasi-periodic variability in galactic black hole binaries with upcoming missions, such as LOFT, as well as spectroscopic observations of fluorescent iron lines may lead to an astrophysical test of the no-hair theorem.
Johannsen Tim
Psaltis Dimitrios
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