Photo-z's in the optical and the submillimeter
Dec 2, 2008 (Tuesday)
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Event details: Photo-z's in the optical and the submillimeter
Description
Seminar | December 2 | 1:10-2 p.m. | 544 Campbell Hall
Speaker/Performer: Fritz Stabenau, Penn.
Sponsor: Astronomy, Department of
Recent measurements have shown that the expansion of the universe is accelerating. In order to extrapolate GR to fit the properties of the
universe on horizon scales, a strange form of energy density (dark
energy&39;&39;) is required. An alternative to dark energy is a modification of
GR that accounts for accelerating expansion. In this talk, I will discuss
my work on predicting large-scale structure formation in an alternative
gravity model by N-body simulation. A related problem that I have worked on is efficiently obtaining accurate redshifts for galaxies using
photometric redshifts with surface brightness priors. Finally I will talk
briefly about my ongoing work on analyzing data from the Balloon-borne Large Aperture Submillimeter Telescope (BLAST) experiment.
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