A new lepto-hadronic model applied to the first simultaneous multiwavelength data set for Cygnus X--1

D. Kantzas, S. Markoff, T. Beuchert +10

Cygnus X--1 is the first Galactic source confirmed to host an accreting black hole. It has been detected across the entire electromagnetic spectrum from radio to GeV $\gamma$-rays. The…