Physics
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21840812b&link_type=abstract
American Astronomical Society, AAS Meeting #218, #408.12; Bulletin of the American Astronomical Society, Vol. 43, 2011
Physics
Scientific paper
I will present results from an ongoing project which is constructing virtual Universes tuned to CCAT science. These consist of catalogs of galaxies in square degree fields of view out to the highest redshifts that CCAT will be able to probe. Galaxy properties are computed using a combination of high resolution N-body simulations of large scale structure and physical models of galaxy formation and radiative transfer of starlight through dust. This results in a virtual universe within which galaxies have fully specified spatial (comoving positions, angular coordinates, redshift including peculiar velocity), spectral (full SED from UV to radio wavelengths, including PAH features) and physical (star and gas masses and metallicities, star formation rate, merger history etc.) properties. These datasets will be invaluable for assessing the ability of CCAT to measure galaxy properties and make inferences about the underlying physics of galaxy formation. Once complete, the full datasets will be made available to the community.
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