University of Minnesota
School of Physics & Astronomy

Physics and Astronomy Calendar

Friday, December 7th 2018
Speaker: Tracy Clarke, Naval Research Lab
Subject: Low Frequency Astrophysics: From FRBs to Surveys

Low frequency interferometry is re-emerging as powerhouse for astrophysical studies. Hot-topic areas include the search for extrasolar planets, detecting fingerprints of the first stars, localizing and identifying the hosts of fast radio bursts (FRBs), and tracing shocks, turbulence and feedback in clusters of galaxies. In this talk I will discuss the revitalization of low frequency interferometry, including a discussion of current interferometers and capabilities. I will specifically highlight a new commensal low frequency system we developed on the NRAO VLA that provides data 24/7 from this powerful interferometer. I will discuss several individual programs where low frequencies play a leading role in the research and end with a look to the future of low radio frequency with ngLOBO (a complementary system to the ngVLA) and the SKA. Authors: T. E. Clarke (Naval Research Laboratory)

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