A comprehensive search for the radio counterpart of GW190814 with the Australian Square Kilometre Array Pathfinder

Understand

We present results from a search for the radio counterpart to the possible neutron star-black hole merger GW190814 with the Australian Square Kilometre Array Pathfinder.

• We have carried out 10 epochs of observation spanning 2-655 days post-merger at a frequency of 944 MHz.
• Each observation covered 30 deg$^2$, equivalent to 87% of the event localisation.
• We conducted an untargeted search for radio transients in the field, as well as a targeted search for transients associated with known galaxies.