Thursday, April 19, 2007, 3:00 pm — Small Seminar Room, Bldg. 510
I will describe a new method of measuring optimal photometry of faint galaxies in blended, undersampled, dithered observations. I will also describe random and systematic uncertainties associated with the method and application of the method to mid-infrared-wavelength observations obtained by the Spitzer Space Telescope over the GOODS survey region. The method is computationally intensive, but the method (or some similar variant) is absolutely necessary to maximize the return on the significant resources that have been committed to acquisition of the observations. The method is of direct applicability to the next generation of deep galaxy surveys that will be obtained with the next generation of ground- and space-based telescopes. The primary scientific object of the current analysis is to measure evolution of the comoving stellar mass density of the universe at all redshifts z < 6.
Hosted by: James Frank
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