NOAO >   Observing Info >   Approved Programs >   2005B-0043

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Program Information for 2005B-0043


PI: Joseph Mohr, U. of Illinois Urbana-Champaign, jmohr@usm.lmu.de
Address: Department of Astronomy, 1002 West Green St, Urbana, IL 61801 USA

CoI: Adam Stanford, Lawrence Livermore National Laboratory
CoI: Yen-Ting Lin, U. of Illinois Urbana-Champaign
CoI: Huan Lin, FNAL
CoI: James Annis, FNAL
CoI: R Chris Smith, CTIO
CoI: Hernan Quintana, Pontificia Universidad Catolica de Chile
CoI: Josh Frieman, FNAL
CoI: Douglas L Tucker, FNAL
CoI: Wayne Barkhouse, Harvard-Smithsonian Center for Astrophysics
CoI: Chris Stoughton, FNAL
CoI: Mark Brodwin, NOAO
CoI: Peter Eisenhardt, CalTech-JPL
CoI: Anthony H Gonzalez, U. of Florida
CoI: Christopher Stubbs, Harvard-Smithsonian Center for Astrophysics
CoI: Armin Rest, CTIO
CoI: Francisco Valdes, NOAO
CoI: John Carlstrom, U. of Chicago
CoI: William Holzapfel, UC Berkeley
CoI: Arthur Kosowsky, Rutgers U.
CoI: A Lee, UC Berkeley
CoI: Stephen S Meyer, U. of Chicago
CoI: S Padin, U. of Chicago
CoI: L Page, Princeton U.
CoI: J Ruhl, Case Western Reserve U.
CoI: Antony Stark, Harvard-Smithsonian Center for Astrophysics

Title: SZE+Optical Studies of the Cosmic Acceleration

Abstract: We propose to study the cosmic acceleration through a precise measurement of the expansion history of the universe (Hubble parameter as a function of redshift) out to redshift z=1. This measurement will result from detailed study of the evolution of the galaxy cluster population over cosmic time using (1) forefront mm-wave instruments to detect galaxy clusters through their Sunyaev-Zel\'dovich effect (SZE) and (2) multiband optical data to measure their photometric redshifts. All major mm-wave survey teams that are operating (ACBAR; or soon will operate: APEX, SPT and ACT) in the southern hemisphere have coordinated their mm-wave observing plans, ensuring the maximum scientific return from the proposed MOSAIC imaging. The proposed 100 deg$^2$ $griz$ survey will push about two magnitudes deeper than SDSS, providing photo- z estimates for galaxies with $L\ge L_*$ at z=1 and $L\ge 0.5L_*$ at lower z. This mm-wave+optical survey will open a unique, large solid angle window on the intermediate to high redshift universe, enabling many other investigations: galaxy based cluster finding, correlations of CMB and optical structure, evolution of galaxy clustering, weak and strong lensing studies and discovery of luminous, high redshift QSO\'s.

Program Type: Survey

Scheduled Nights:
Run 1 (2005B):  CT-4m/MOSAIC -- 15n on Nov 18 - Nov 20 2005, Nov 22 2005, Nov 24 2005, Nov 26 2005, Nov 28 2005, Nov 30 2005, Dec 02 2005, Dec 04 - Dec 06 2005, Dec 08 2005, Dec 10 - Dec 11 2005
Run 1 (2006B):  CT-4m/MOSAIC -- 15n on Oct 23 2006, Oct 25 2006, Oct 27 - Oct 31 2006, Dec 12 - Dec 23 2006
Run 1 (2007B):  CT-4m/MOSAIC -- 15n on Sep 11 - Sep 17 2007, Oct 11 - Oct 12 2007, Oct 30 - Nov 08 2007
Run 1 (2008B):  CT-4m/MOSAIC -- 15n on Nov 14 - Nov 28 2008


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