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SUMMARY:Stellar interactions and transients - Dr. Silvia Toonen (Birmingha
 m)
DTSTART:20191104T140000Z
DTEND:20191104T150000Z
UID:TALK129199@talks.cam.ac.uk
CONTACT:Chris Hamilton
DESCRIPTION:Stars are the fundamental building blocks of galaxies and stel
 lar clusters. They are often part of small stellar systems\, such as binar
 ies and triples in which the stars can interact with each other. These int
 eractions give rise to some of the most energetic events in the universe\,
  e.g. supernovae Type Ia explosions and gravitational wave sources.\nThe a
 dvent and development of large-scale time domain surveys are revealing the
  existence of a large and diverse zoo of transients\, but their origin or 
 progenitor evolution is often unknown. Here I will present a novel evoluti
 onary channel for standard and peculiar supernova type Ia\, involving merg
 ers with hybrid white dwarfs. Secondly\, I will focus on the evolution of 
 triple star systems\, their evolution\, interactions and resulting transie
 nts. Even though\, the principles of binary evolution theory have been acc
 epted for a long time\, the evolution of triples is an uncharted territory
 . There is a need to understand the evolution of triples\, as they are com
 mon and often invoked to explain compact and exotic binaries.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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