Publication date: Dec 2014
Abstract:
The imprints of the tidal-charge parameter b are determined for the spectral line profiles generated by radiation from the surface of optically thick perfect-fluid tori orbiting a spherically symmetric braneworld black holes. We assume that each point on the surface radiates isotropically at a fixed spectral line frequency. We give the direct and indirect image of a torus and the spectral line profile in dependence on the impact parameter for a large inclination angle to the distant observer when the relativistic effects are strongest. We give the map of the frequency shift across the surface and dependence of the maximal and minimal frequency shift of the radiation from the tori surface, giving thus a relevant information on the tidal charge parameter b.
Authors:
Schee, Jan; Adámková, Pavlína; Stuchlík, Zdeněk;