Black hole radiation of spin-1 particles in (1+2) dimensions

The radiation of vector particles by black holes in (1 + 2) dimensions is investigated within the WKB approximation. We consider the process of quantum tunneling of bosons through an event horizon of the black hole. The emission temperature for the Schwarzschild background geometry coincides with the Hawking temperature and for the Rindler spacetime the temperature is the Unruh temperature. We also obtain the radiation temperature for the de Sitter spacetime.