HEXIT-SAT: a mission concept for X-ray grazing incidence telescopes from 0.5 to 70 keV

F. Fiore, G. C. Perola, G. Pareschi +3

While the energy density of the Cosmic X-ray Background (CXB) provides a statistical estimate of the super massive black hole (SMBH) growth and mass density in the Universe, the la…