Mathematics – Logic
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21933505b&link_type=abstract
American Astronomical Society, AAS Meeting #219, #335.05
Mathematics
Logic
Scientific paper
The BigBOSS Key Project is a 14,000 square degree survey that will be carried out using 500 nights over fi ve years. Using data from imaging surveys that are already underway, we will select spectroscopic targets that trace the underlying dark matter distribution. In particular, we will measure the redshifts of luminous red galaxies (LRGs) up to z = 1:0. To probe the universe out to even higher redshift, we will target bright [OII] emission line galaxies (ELGs) up to z = 1:7. In total, approximately 20 million galaxy redshifts will be obtained to measure the BAO feature, trace the matter power spectrum at smaller scales, and detect redshift space distortions. BigBOSS represents at least an order of magnitude improvement over BOSS both in the co-moving volume it probes and the number of galaxies it will map. In addition to the cosmological constraints coming from the galaxy survey, BigBOSS will provide additional constraints on early dark energy and on the curvature of the universe by measuring the Ly-alpha forest in the spectra of over 600,000 2:2 < z < 3:5 quasars.
Bebek Chris
BigBOSS Collaboration
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