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Exploding stars and catastrophic collisions

Apr. 13 - 14:30 - 2023

Speaker: Kate Maguire (Trinity College Dublin)

Title: Exploding stars and catastrophic collisions


Supernovae and stellar collisions are the sometimes incredibly luminous, and sometimes not so luminous, deaths of stars that play a vital role in chemical enrichment, galaxy feedback mechanisms, and our understanding of stellar evolution. Type Ia supernovae, the explosions of white dwarfs in binary systems, are vital for constraining the cosmological parameters. In this talk, I will focus on the latest results on the progenitors and explosion mechanisms of Type Ia supernovae from the state-of-the-art transient survey, the Zwicky Transient Facility, and describe how their diversity may impact future precision measurements of dark energy. I will also highlight recent advances in the related area of stellar collisions, which are testing the boundaries of current theoretical models, as well as discuss the link to kilonovae from neutron-star mergers (with and without associated gravitational-wave detections).

Room: Sala de Reuniões e Seminários (2-8.3) (2nd Floor of Physics Building)

An importable CVS/ICS calendar with all of CENTRA's events is available here