Constraining the redshift of PG 1553+113 using the photohadronic model

Sarira Sahu, R. de J. Pacheco-Aké, G. Sánchez-Colón +3

Between 2005 and 2015, the BL Lacertae object PG 1553+113 exhibited multiple very high-energy (VHE; > 100 GeV) gamma-ray flares, which were detected by the Cherenkov telescopes, Hi…