NuSTAR Observations and multi-wavelength modeling of the high-redshift BL Lac Object 4FGL J2146.5-1344

M. Rajagopal, L. Marcotulli, M. Ajello +3

High synchrotron peak (HSP; ${\nu }_{sy}^{pk}>10^{15}$ Hz) BL Lacs are some of the most extreme accelerators in the Universe. Those found at high redshifts ($z>1$) challenge our under…