Catching Stars in the Act of Dying

Anthony Piro (Carnegie Observatories ) - April 25, 2016 at 12:10 pm

Supernovae are amazing cosmic explosions where for a few weeks to months a single star can become as bright as a billion stars combined. Even though supernovae are crucial to a wide range of areas in astrophysics, from producing the elements to galactic evolution to measuring the accelerating expansion of our Universe, the actual progenitors are frustratingly elusive in many cases. One of the exciting developments in recent years is the growth of transient surveys that are able to find supernovae in the days after the explosion first takes place. I will discuss theoretical work that utilizes this unique information to measure fundamental properties of the stars in their moments before death, such as their mass, radius, and circumstellar material.

The seminar will be held in 131A Campbell Hall.

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