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The Atacama Cosmology Telescope: Dynamical masses for 44 SZ-selected galaxy clusters over 755 square degrees
Cristóbal Sifón, Nick Battaglia, Matthew Hasselfield +22
We present galaxy velocity dispersions and dynamical mass estimates for 44 galaxy clusters selected via the Sunyaev-Zel'dovich (SZ) effect by the Atacama Cosmology Telescope. Dynam…
Characterizing Atacama B-mode Search Detectors with a Half-Wave Plate
S. M. Simon, J. W. Appel, L. E. Campusano +11
The Atacama B-Mode Search (ABS) instrument is a cryogenic (10 K) crossed-Dragone telescope located at an elevation of 5190 m in the Atacama Desert in Chile that observed for…
On the redshift distribution and physical properties of ACT-selected DSFGs
T. Su, T. A. Marriage, V. Asboth +25
We present multi-wavelength detections of nine candidate gravitationally-lensed dusty star-forming galaxies (DSFGs) selected at 218GHz (1.4mm) from the ACT equatorial survey. Among…
Design and Deployment of a Multichroic Polarimeter Array on the Atacama Cosmology Telescope
R. Datta, J. Austermann, J. A. Beall +28
We present the design and the preliminary on sky performance with respect to beams and pass-bands of a multichroic polarimeter array covering the 90 and 146 GHz Cosmic Microwave Ba…
Evidence for the kinematic Sunyaev-Zeľdovich effect with ACTPol and velocity reconstruction from BOSS
Emmanuel Schaan, Simone Ferraro, Mariana Vargas-Magaña +43
We use microwave temperature maps from two seasons of data from the Atacama Cosmology Telescope (ACTPol) at 146 GHz, together with the Constant Mass CMASS galaxy sample from the Ba…
Advanced ACTPol Cryogenic Detector Arrays and Readout
S. W. Henderson, R. Allison, J. Austermann +54
Advanced ACTPol is a polarization-sensitive upgrade for the 6 m aperture Atacama Cosmology Telescope (ACT), adding new frequencies and increasing sensitivity over the previous ACTP…