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Astronomy Colloquium - "Explosive Transients in the era of Time Domain Astronomy"

Event Type
Department of Astronomy
Astronomy 134
Sep 23, 2014   3:45 pm  
Raffaella Margutti, Harvard University
Originating Calendar
Astronomy Colloquium Speaker Calendar

Stellar explosions are at the intersection of several critical areas of modern Astronomy: as probes of the early Universe, as electromagnetic signposts of gravitational wave and neutrino emitters, as laboratories for extreme physics.  In this talk I present the recent results from my multi-wavelength effort designed to (i) constrain the stellar progenitors and their evolution in the years before the terminal explosion; (ii) shed light on the physical mechanism that enables only a small fraction of stellar explosions to harbor and launch a relativistic jet. By taking advantage from DISCOVERY -provided by observations of the transient sky- and DEEP-INSIGHT -that only a truly multi-wavelength perspective can offer-, I show how this study paves the way to the upcoming era of multi-messenger astronomy.

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