Periodic Activities of Fast Radio Burst Repeaters from Precessing Magnetars with Evolving Obliquity

Xin-Ming Feng, Yuan-Pei Yang, Qiao-Chu Li

Fast radio bursts (FRBs) are cosmological radio transients with millisecond durations and extremely high brightness temperatures. One FRB repeater, FRB 180916.J0158+65 (FRB 180916B…