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Deep Lens Survey

Tony Tyson (Bell Labs), PI
Ian Dell'Antonio (KPNO), Co-PI
David Wittman (Bell Labs), Co-PI
Andy Becker (U. Washington)
Gary Bernstein (U. Michigan)
Ted Bowell (Lowell)
Alejandro Clocchiatti (U. Catolica)
Judy Cohen (Caltech)
Renyue Cen (Princeton)
Alan Diercks (Caltech)
Anthony Gonzalez (UCSC)
Raja Guhathakurta (UCSC)
Wayne Hu (IAS)
Nick Kaiser (U. Hawaii)
David Kirkman (Bell Labs)
Vera Margoniner (Bell Labs)
Jordi Miralda-Escude (Ohio State)
Rob Pike (Bell Labs)
Bob Schommer (CTIO)
David Spergel (Princeton)
Gordon Squires (Caltech)
Chris Stubbs (U. Washington)
Gillian Wilson (U. Hawaii)
Dennis Zaritsky (U. Arizona)

This Survey will produce the first unbiased maps of the large-scale structure of the mass distribution beyond the local Universe. We will obtain very deep multicolor imaging of seven 2 degree fields, which we will use to measure the shear of distant galaxies induced by the mass of foreground structures. These weak-lensing observations are sensitive to all forms of clumped mass and will yield unbiased mass maps with resolution of 1 arcmin in the plane of the sky (~120 h-1 kpc at z = 0.2), in multiple redshift ranges (with Delta z = 0.5 z). These maps will measure for the first time the change in large scale structure from z=1 to the present epoch, and test the current theories of structure formation, which predict that mass in the low-redshift Universe has a particular filamentary/sheetlike structure. These unique observations will constrain the clustering properties of matter, most notably Omega_matter and Omega_Lambda, and, when compared with the results from microwave background anisotropy missions, will test the basic theory of structure formation via gravitational instability.

In addition, optical transient events (including moving objects) and supernova candidates are released in REAL TIME.

See also this article in the NOAO Newsletter.