124 citations · 325 across the 14 of their papers we have counts for
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astro-ph.CO2011★ 54 cited
Testing black hole no-hair theorem with OJ287
M. J. Valtonen, S. Mikkola, H. J. Lehto +3
We examine the ability to test the black hole no-hair theorem at the 10% level in this decade using the binary black hole in OJ287. In the test we constrain the value of the dimens…
astro-ph.CO2010★ 24 cited
Measuring Black Hole Spin in OJ287
M. Valtonen, S. Mikkola, H. J. Lehto +8
We model the binary black hole system OJ287 as a spinning primary and a non-spinning secondary. It is assumed that the primary has an accretion disk which is impacted by the second…