Supermassive black hole binaries at high energies

GUSTAVO E. ROMERO; DANIELA PÉREZ; GABRIELA S. VILA

International Journal of Modern Physics: Conference Series

World Scientific Publishing Company

Lugar: London, UK; Año: 2014 vol. 28 p. 14601831 - 14601836

An accretion disk around a supermassive black hole may be strongly perturbed bythe presence of a secondary black hole. Recent simulations have shown that, under certainconditions, the tidal torques exerted by the secondary black hole may open an annulargap in the disk. In this regime, matter overflows across the secondary´s orbit to accreteonto the primary and may feed a pair of relativistic jets.In this work we study the radiative properties of a binary system of supermassiveblack holes, assuming that a relativistic jet is launched from the primary and the migra-tion of the secondary across the disk proceeds in the overflowing regime. The modifiedradiative spectrum of the disk is calculated accounting for strong gravitational effects inthe innermost region. The jet emits non-thermal radiation all along the electromagneticspectrum by interaction of locally accelerated electrons with the jet´s magnetic field andinternal and external radiation. In particular, we investigate whether the interaction ofthe relativistic electrons with the photons emitted by the accretion disk induces anysignature in the spectral energy distribution of the jet that may reveal the presence ofthe secondary black hole.