1. 10 meter South Pole Telescope Low noise, precision telescope 20 um rms surface accuracy 1 arc second pointing 1.0 arcminute at 2 mm ‘chop’ entire telescope 3 levels of shielding Key Observations - 4000 sq deg SZE survey - deep CMB anisotropy fields - deep CMB Polarization fields 1000 Element Bolometer Array - 3 to 4 interchangeable bands (90) 150, 250 & 270 GHz - cooled to 250mK by closed cycle cooler – no cryogens Science goals - investigate properties of the ‘Dark Energy’ that pervades the universe and accelerates its expansion - constrain the mass of the neutrino - search for the signature of primordial Gravitational waves and test models for the origin of the universe

2. SPT Collaborators Principals: John Carlstrom (U. Chicago) Bill Holzapfel (UCB) Adrian Lee (UCB) Erik Leitch (Chicago) Stephan Meyer (Chicago) Joe Mohr (UIUC) Steve Padin (Chicago) Clem Pryke (Chicago) John Ruhl (Case-Western) Helmuth Spieler (UCB) Tony Stark (CfA) With help from: Wayne Hu (Chicago) Andrey Kravtsov (Chicago) Josh Frieman (Chicago) Martin White (UCB) Postdocs: Tom Crawford (Chicago) Sherry Cho (UCB) Matt Dobbs (UCB) Nils Halverson (UCB) Subharbrata Majumdar (UIUC) Marcus Runyan (KICP Fellow) Students: Chris Greer, Mathew Sharp, Sarah Hansen (Chicago) Po Kin Leung & Yen-Ting Lin (UIUC) Jon Leong & Z. Staniszewski (Case) Martin Lueker, Tom Plagge, Trevor Lanting, Jared Mehl, Dan Schwan, Erik Shirkoff (UCB) KICP NSF – OPP Raytheon PSC

3. Predicted dN/dz for SPT 4000 sq degree SZE Cluster Survey ~25,000 clusters!

4. SPT Polarization Simulations Simulations by Tom Crawford

5. SPT Impact on SP Logistics Timeline: –FY05:Foundation –FY06:Infrastructure and Shields –FY07: Telescope and start observations –FY08: Polarimeter deployment? FY08 – FY20 tbd Weight: –Foundation and Shields: >750klbs; Telescope: 450 klbs Power: –170 kW peak, 60 kW average observing South Pole Population: –Summer: 4-6 steady state (+12 for FY07 deployment) –Winter: 2 dedicated winterovers DSL Space: –SPT RX lab space is about 25% of 1 st floor DSL 1 st floor filled by SPT RX room, machine shop, IT Room, building mechanics, power distribution, mini-cryofacility –SPT computer/control is about 25% of 2 nd floor much of 2 nd floor still unassigned Data transmission: –30 GBytes/day after compression