Mathematics – Logic
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21732101k&link_type=abstract
American Astronomical Society, AAS Meeting #217, #321.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Mathematics
Logic
Scientific paper
Near the conclusion of the first Sloan Digital Sky Survey, the development of optical cluster detection algorithms, quantification of their selection functions, and mass and redshift calibration hit full swing. Catalogs typically include thousands of massive (>1x1014 Msun) clusters reaching z 0.5, with selection functions that are routinely calibrated with realistic mock galaxy simulations, and cluster mass proxies that are cross-calibrated against X-ray, weak-lensing, dynamical, and SZ observations. All of this is folded into analyses that offer cosmological constraints competitive with catalogs created at other wavelengths.
In this talk, these developments are reviewed from the perspective of the MaxBCG cluster catalog. The lessons learned from optical cluster-finding efforts are then turned to the next generation of optical/NIR surveys soon to come online, using the Dark Energy Survey (DES) as an example. In DES, this past experience guides the coordination of vast resources that will culminate in well-understood cluster catalogs specifically tailored to cosmological applications reaching z 1.
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