Center for Astrophysics Research and Technologies Seminar Series
Capturing the radio transient activity in the image-plane
Presented by Lilia Tremou (NRAO)
The time-variable radio sky may hold the key to the most violent events. The extremes of physics, density, temperature, pressure, velocity, gravitational and magnetic fields observed in astrophysical events such as relativistic flows, cataclysmic explosions,extreme magnetospheric event and black hole accretion can be used as a natural laboratory to study fundamental physics. Nearly all such events are associated with transient radio emission, a tracer of the acceleration of particles to relativistic energies and their interaction with the local magnetic field. Approaching the era of mega-telescopes (SKA, ngVLA),the combination of increased sensitivity, large field of view and broad frequency range will allow us to probe the physical mechanisms that drive these explosions and outflows. In this talk,I will discuss recent work on high energy compact objects and radio transients using imaging data from SKA (Square Kilometre Array) precursors such as the MeerKAT radio telescope.
2:00 pm, Thursday, November 3, 2022
PAIS-3205, PAIS
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