1. Miller Lab - Columbia Currently in the lab…
The Sunyaev-Zel’dovich Array (SZA)
Collaboration with Chicago, OVRO, MSFC
Eight 3.5 m diameter dishes
30 GHz Receivers (cluster survey)
90 GHz Receivers (detailed cluster observations)
Broadband 8 GHz correlator
12 deg2 survey to begin end of 2003
SZA to be integrated with OVRO and BIMA telescopes (CARMA)
Upcoming…
Atacama Cosmology Telescope(ACT)
Multi-institution collaboration
6 m single-dish telescope
Large array of sensitive bolometers
Observing frequencies: 150, 217, 270 GHz.
Located at 17,000 ft. altitude in Atacama desert in Chile
Observe small-scale CMB anisotropy, SZE effect, OV effect, CMB lensing
Galaxy Cluster
SZA
ACT