Observational effects of banded repeating FRBs

Understand

Recent observations have shown that repeating Fast Radio Bursts (FRBs) exhibit band-limited emission, whose frequency-dependent amplitude can be modeled using a Gaussian function.

• In this analysis, we show that banded emission of FRBs can lead to incompleteness across the observing band.
• This biases the detected sample of bursts and can explain the various shapes of cumulative energy distributions seen for repeating FRBs.
• We assume a Gaussian shape of the burst spectra and used simulations to demonstrate the above bias using an FRB 121102-like example.