Long-term project observations for project P1101 semester 2025APRS_06

We propose a long-term project to monitor a very active repeater, FRB 20190520B, with Murriyang's UWL system. Our previous observations show that FRB 20190520B is not only among the most active FRBs that can be observed with Murriyang, but also shows extreme rotation measure (RM) and dispersion measure (DM) evolution, along with distinctive behavior at 3GHz frequency. This makes the UWL receiver uniquely suited for detailed studies and long-term monitoring of this repeating FRB. Through this program, we anticipate detecting a large sample of bursts from this FRB. In collaboration with FAST, we aim to investigate the time evolution of various properties of FRB 20190520B, enhance our understanding of polarisation across an extremely wide bandwidth with high sensitivity, and gain deeper insights into the local environment and emission mechanisms of FRBs.

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Published (Metadata Record) 03/03/2026
Last updated 04/03/2026
Organisation Australian Federal Government
License License Not Specified
Update Frequency Unknown