204 citations · 396 across the 4 of their papers we have counts for
4 papers
Constraining the Johannsen deformation parameter with black hole X-ray data
Ashutosh Tripathi, Askar B. Abdikamalov, Dimitry Ayzenberg +2
We extend our previous work on tests of the Kerr black hole hypothesis using X-ray reflection spectroscopy and we infer observational constraints on the Johannsen deformation param…
Testing the Kerr hypothesis using X-ray reflection spectroscopy with NuSTAR data of Cygnus X-1 in the soft state
Honghui Liu, Askar B. Abdikamalov, Dimitry Ayzenberg +4
We continue exploring the constraining capabilities of X-ray reflection spectroscopy to test the Kerr-nature of astrophysical black holes and we present the results of our analysis…
Black hole mimicker hiding in the shadow: Optical properties of the -metric
Askar B. Abdikamalov, Ahmadjon A. Abdujabbarov, Dimitry Ayzenberg +3
Can the observation of the "shadow" allow us to distinguish a black hole from a more exotic compact object? We study the motion of photons in a class of vacuum static axially-symme…
Slowly-Rotating Black Holes in Einstein-Dilaton-Gauss-Bonnet Gravity: Quadratic Order in Spin Solutions
Dimitry Ayzenberg, Nicolas Yunes
We derive a stationary and axisymmetric black hole solution in Einstein-Dilaton-Gauss-Bonnet gravity to quadratic order in the ratio of the spin angular momentum to the black hole…