TY - JOUR AU - Paliya, Vaidehi S. AU - Domínguez, A. AU - Cabello, C. AU - Cardiel López, Nicolás AU - Gallego Maestro, Jesús AU - Siana, Brian AU - Ajello, M. AU - Hartmann, D. AU - Gil de Paz, Armando AU - Stalin, C.S. PY - 2020 DO - 10.3847/2041-8213/abbc06 SN - 2041-8205 UR - https://hdl.handle.net/20.500.14352/7567 T2 - Astrophysical journal letters AB - One of the major challenges in studying the cosmic evolution of relativistic jets is the identification of the high-redshift (z > 3) BL Lacertae objects, a class of jetted active galactic nuclei characterized by their quasi-featureless optical... LA - eng PB - IOP Publishing KW - Emir KW - View TI - The first gamma-ray emitting BL lacertae object at the cosmic dawn TY - journal article VL - 903 ER -