Optical spectral characterization of OP 313. Constraining the contribution of thermal and non-thermal optical emission

J. Otero-Santos, M. Nievas Rosillo, J. A. Acosta-Pulido +1

The quasar OP 313 was discovered in December 2023 in very-high-energy ${\hat{I}}^3$ rays above 100 GeV, enabling for the first time a complete characterization of its emission. However, the…