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10th of June 2020
Localising Fast Radio Bursts with ASKAP
by Shivani Bhandari
When Fast Radio Bursts (FRBs) arrived at the Australian Square Kilometre Array Pathfinder (ASKAP) telescope, they were identified in less than half a second. The last 3 seconds of data from every operational ASKAP antenna were then frozen and saved. Data were streamed off-site for offline supercomputer processing ("correlation"), turning raw voltages into visibilities. These data were then imaged at the dispersion measure (DM) and time of the FRB for localisation. The astrometry of FRB position is carried out using the Australia Compact Array Telescope (ATCA), refining the position of the FRB. Once, a reliable position is obtained, optical telescopes were triggered to study the global properties of FRB host galaxies. More details are given in the paper by Bhandari et al., published in Astrophysical Journal Letters. (Image credit: Alex Cherney).

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