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Laura Driessen (CSIRO)

Laura Driessen Colloquium: Commensal searches for variable radio sources with MeerKAT

The Australia Telescope National Facility Colloquium
15:00-16:00 Wed 03 Nov 2021

Kensington Auditorium/Online


New wide-field, sensitive radio instruments are enabling us to search and investigate the dynamic radio sky like never before. Previous untargeted radio searches in the image plane have been limited by small fields of view, combining observations from mismatched surveys and instruments, and large gaps between epochs. Now instruments such the MeerKAT, ASKAP, the Karl G. Janksy VLA, LOFAR, and the MWA are uncovering large samples of dynamic radio sources without performing targeted searches. ThunderKAT is the MeerKAT large science project for searching for and investigating variable and transient radio sources in the image plane, and has already revealed exciting results on relativistic binaries, cataclysmic variables and more. A key part of ThunderKAT's goals is to perform untargeted, image-plane searches for variable and transient sources. I will present MKT J170456.2-482100, the first transient discovered with MeerKAT, and 25 new variable radio sources discovered with MeerKAT in the image-plane.


Andrew Zic

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