Galaxies 09: Assembly, Gas Content and Star Formation History of Galaxies

Min Yun
University of Massachusetts, Amherst

Nature of the Sources Identified by the AzTEC 1100 micron Surveys

During the last three years, we have surveyed over 3 sq. degree of the "blank" and biased regions of the sky using the AzTEC 1100 micron camera on the JCMT and the ASTE telescopes, detecting over 1000 sources. As already discussed by our recent papers on the analysis of their number counts and spatial distribution, we found intriguing evidence for significant cosmic variance and possible association with large scale structure for these so-called "submillimeter galaxy" population. In this talk, I will discuss the properties of individual AzTEC sources derived from the complementary multi-wavelength data and the significance of the AzTEC selected galaxy population in the context of the overall galaxy evolution and mass build-up history.

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