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P. L. Shopbell, N. Z. Scoville (Caltech), COSMOS Collaboration
COSMOS is a cycle-12/13 HST Treasury program that is using the ACS camera to uniformly survey a two-square degree region of the sky. COSMOS is by far the largest contiguous area ever observed with HST, and as such will provide a critical data point in the two-dimensional phase space comprised of survey depth versus area. The wide spatial coverage of the COSMOS survey will enable us to map galaxy formation, the dark matter distribution, and the evolution of large-scale structure, up to and including the largest, most massive structures.
The COSMOS ACS survey, which is currently ~50% complete, is only one part of the project, which also involves multiwavelength observations of the field, including ground- and space-based radio, submillimeter, IR, optical, UV, and X-ray coverage. Spectra of some 50,000 individual objects will also be obtained to further elucidate the three-dimensional structures in the field. These datasets, while not particularly large by today's standards, are quite diverse, leading us to develop novel ways of examining and manipulating the data. In this paper, we present an overview of the visualization and data mining techniques that we have developed so far. We illustrate these tools within the framework of a quest to identify superwinds in early starbursting galaxies.
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Bulletin of the American Astronomical Society, 36 5
© 2004. The American Astronomical Society.