Is BZB J1450+5201 the most distant $\gamma$-ray BL Lacertae object?

N. H. Liao, J. M. Bai, J. G. Wang +5

BL Lacertae (BL Lac) objects at high redshifts ($z\ge 2$) are rarely detected. Through careful analysis of the SDSS spectrum, BZB J1450+5201 is confirmed to be a high-$z$ BL Lac o…