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ZEUS-2: a second generation submillimeter grating spectrometer for exploring distant galaxies
Carl Ferkinhoff, Thomas Nikola, Stephen C. Parshley +4
ZEUS-2, the second generation (z)Redshift and Early Universe Spectrometer, like its predecessor is a moderate resolution (R~1000) long-slit, echelle grating spectrometer optimized…
The Atacama Cosmology Telescope: Cosmology from Galaxy Clusters Detected via the Sunyaev-Zel'dovich Effect
Neelima Sehgal, Hy Trac, Viviana Acquaviva +66
We present constraints on cosmological parameters based on a sample of Sunyaev-Zel'dovich-selected galaxy clusters detected in a millimeter-wave survey by the Atacama Cosmology Tel…
The Atacama Cosmology Telescope: Sunyaev Zel'dovich Selected Galaxy Clusters at 148 GHz in the 2008 Survey
T. A. Marriage, V. Acquaviva, P. A. R. Ade +68
We report on twenty-three clusters detected blindly as Sunyaev-Zel'dovich (SZ) decrements in a 148 GHz, 455 square-degree map of the southern sky made with data from the Atacama Co…
Noise Performance of Lumped Element Direct Current Superconducting Quantum Interference Device Amplifiers in the 4 GHz-8 GHz Range
Lafe Spietz, Kent Irwin, Minhyea Lee +1
We report on the noise of a lumped element Direct Current Superconducting Quantum Interference Device amplifier. We show that the noise temperature in the 4 GHz-8 GHz range over ra…
Antenna-coupled TES Bolometer Arrays for BICEP2/Keck and SPIDER
A. Orlando, R. W Aikin, M. Amiri +28
BICEP2/Keck and SPIDER are cosmic microwave background (CMB) polarimeters targeting the B-mode polarization induced by primordial gravitational waves from inflation. They will be u…
The Atacama Cosmology Telescope: Cosmological Parameters from the 2008 Power Spectra
J. Dunkley, R. Hlozek, J. Sievers +64
We present cosmological parameters derived from the angular power spectrum of the cosmic microwave background (CMB) radiation observed at 148 GHz and 218 GHz over 296 deg^2 with th…