Image of Alice in Wonderland at the Mad Hatter's tea party You are cordially invited to afternoon tea and biscuits wine and chocolate

Astronomy Tea Talks at Caltech

Mondays, Hameetman auditorium (Cahill)
Tea:  4.00pm
Talk: 4.15pm

Organized by:

2009 - 2010 season:
11 January 2010 Desika Narayanan (CfA)

'The Formation and Evolution of High-Redshift Submillimeter Galaxies'

Submillimeter Galaxies at z~2 are the most luminous, heavily
star-forming galaxies in the Universe. While observers have been
rapidly amassing clues regarding this enigmatic population, the mere
existence of these galaxies has remained a sticking point for
theoretical models. In explaining their observed properties, theorists
have required varied physical deviancies from local Universe
phenomena. I will argue that extraordinary physics is unnecessary to
explain this population. In this talk, I will present a merger-driven
model that describes the formation and evolution of SMGs which
accurately reproduces the observed UV-mm wave SED, the inferred
physical properties of the population, and the observed number counts.
This model provides a natural connection between SMGs, 24 micron
sources, and BzK galaxies, thus providing some synthesis to the zoo of
galaxies being detected at high-z. Finally, I will describe model
distinguishing tests which will be feasible with the next generation
of telescopes (Herschel, JWST and ALMA).

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Last modified on 20th Jul 2011 by Dominik A. Riechers.  

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