A Multiwavelength Study of the Most Distant Gamma-ray Detected BL Lacertae Object 4FGL J1219.0+3653 ($z=3.59$)

Srijita Hazra, Vaidehi S. Paliya, A. Domínguez +3

BL Lac objects are a class of jetted active galactic nuclei that do not exhibit or have weak emission lines in their optical spectra. Recently, the first ${\hat{I}}^3$-ray emitting BL Lac b…