Perspectives of thermal photon measurements in heavy ion collisions at NICA Evgeny Kryshen, Dmitry Ivanishchev, Dmitry Kotov, Mikhail Malaev, Victor Riabov and Yuriy Ryabov EPJ Web Conf., 222 (2019) 02006 Published online: 19 November 2019 DOI: 10.1051/epjconf/201922202006