A periodically repeating Fast Radio Burst.

Ketan Sand ( Université McGill )

Fast Radio Bursts (FRBs) are millisecond duration radio pulses of extragalactic origin ubiquitous over the sky. Earlier thought to be one-off events, additional bursts were detected from some of these sources now known as repeaters. The CHIME/FRB project is responsible for detecting 20 out of 24 of these repeaters, the most unique of which is FRB 20180916B. This source is active every 16.3 days with an activity window lasting about 5 days. This unique periodicity and its relative proximity (150 Mpc) have made it an excellent source to understand the mysterious origins of FRBs. I will present here the synopsis of research so far on the source. This involves an extensive study using numerous radio facilities mainly CHIME/FRB as well as optical and other high energy estimates. I will discuss the consequences of these studies on possible progenitor scenarios and how multiwavelength observations are helping us to unveil the origins of this source and FRBs in general.