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Astronomy Tea Talks at Caltech

Mondays, Robinson 106
Tea:  4.00pm
Talk: 4.15pm

Organised by:

2007 - 2008 season:
19 May 2008 Daniel Kasen (UC, Santa Cruz)

"Modeling the Transient Universe"


New optical surveys should discover huge numbers of supernovae of all types, along with
some smaller number of rarer and dimmer (and sometimes unexpected) kinds of transient
phenomena. The role of theoretical modeling is to aid our understanding and
interpretation of such data sets, and perhaps predict the signatures of yet undiscovered
classes of events. I will introduce the relevant physics behind the light curves and
spectra of transients, and present results from multi-dimensional numerical simulations,
focusing here on the observable properties of Type~Ia supernovae and some other (more
exotic) kinds of thermonuclear explosions. Besides being the sites of interesting high
energy processes, transients may also inform a diverse range of astrophysical topics,
such as the first generation of stars, the existence of intermediate mass black holes,
the expansion of the universe, and more.
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Last modified on 20th Jul 2011 by Johan Richard.  

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