Shadows of CPR black holes and tests of the Kerr metric

M. Ghasemi-Nodehi, Zilong Li, Cosimo Bambi

We study the shadow of the Cardoso-Pani-Rico (CPR) black hole for different values of the black hole spin $a_{\ast }$, the deformation parameters ${\epsilon }_3^t$ and ${\epsilon }_3^r$, and the viewing ang…