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Resolved Magnetic-Field Structure and Variability Near the Event Horizon of Sagittarius A*
Michael D. Johnson, Vincent L. Fish, Sheperd S. Doeleman +45
Near a black hole, differential rotation of a magnetized accretion disk is thought to produce an instability that amplifies weak magnetic fields, driving accretion and outflow. The…
LoCuSS: Testing hydrostatic equilibrium in galaxy clusters
G. P. Smith, P. Mazzotta, N. Okabe +17
We test the assumption of hydrostatic equilibrium in an X-ray luminosity selected sample of 50 galaxy clusters at from the Local Cluster Substructure Survey (LoCuSS).…
First Results from COPSS: The CO Power Spectrum Survey
Garrett K. Keating, Geoffrey C. Bower, Daniel P. Marrone +11
We present constraints on the abundance of carbon-monoxide in the early Universe from the CO Power Spectrum Survey (COPSS). We utilize a data set collected between 2005 and 2008 us…
Next Generation Very Large Array Memo No. 9 Science Working Group 4: Time Domain, Fundamental Physics, and Cosmology
Geoffrey C. Bower, Paul Demorest, James Braatz +20
We report here on key science topics for the Next Generation Very Large Array in the areas of time domain, fundamental physics, and cosmology. Key science cases considered are puls…
Probing star formation in the dense environments of z~1 lensing halos aligned with dusty star-forming galaxies detected with the South Pole Telescope
N. Welikala, M. Béthermin, D. Guery +46
We probe star formation in the environments of massive dark matter halos at redshifts of . This star formation is linked to a sub-millimetre cl…
Stellar masses and star formation rates of lensed dusty star-forming galaxies from the SPT survey
Jingzhe Ma, Anthony H. Gonzalez, J. S. Spilker +18
To understand cosmic mass assembly in the Universe at early epochs, we primarily rely on measurements of stellar mass and star formation rate of distant galaxies. In this paper, we…
The Massive and Distant Clusters of WISE Survey: MOO J1142+1527, A 10 M Galaxy Cluster at z=1.19
Anthony H. Gonzalez, Bandon Decker, Mark Brodwin +19
We present confirmation of the cluster MOO J1142+1527, a massive galaxy cluster discovered as part of the Massive and Distant Clusters of WISE Survey. The cluster is confirmed to l…
Sub-kiloparsec Imaging of Cool Molecular Gas in Two Strongly Lensed Dusty, Star-Forming Galaxies
J. S. Spilker, M. Aravena, D. P. Marrone +20
We present spatially-resolved imaging obtained with the Australia Telescope Compact Array (ATCA) of three CO lines in two high-redshift gravitationally lensed dusty star-forming ga…
Star-Forming Brightest Cluster Galaxies at 0.25 < z < 1.25: A Transitioning Fuel Supply
M. McDonald, B. Stalder, M. Bayliss +23
We present a multi-wavelength study of 90 brightest cluster galaxies (BCGs) in a sample of galaxy clusters selected via the Sunyaev Zel'dovich effect by the South Pole Telescope, u…
230 GHz VLBI observations of M87: event-horizon-scale structure at the enhanced very-high-energy -ray state in 2012
Kazunori Akiyama, Ru-Sen Lu, Vincent L. Fish +45
We report on 230 GHz (1.3 mm) VLBI observations of M87 with the Event Horizon Telescope using antennas on Mauna Kea in Hawaii, Mt. Graham in Arizona and Cedar Flat in California. F…
First 230 GHz VLBI Fringes on 3C 279 using the APEX Telescope
J. Wagner, A. L. Roy, T. P. Krichbaum +52
We report about a 230 GHz very long baseline interferometry (VLBI) fringe finder observation of blazar 3C 279 with the APEX telescope in Chile, the phased submillimeter array (SMA)…
Fast Variability and mm/IR flares in GRMHD Models of Sgr A* from Strong-Field Gravitational Lensing
Chi-kwan Chan, Dimitrios Psaltis, Feryal Ozel +4
We explore the variability properties of long, high cadence GRMHD simulations across the electromagnetic spectrum using an efficient, GPU-based radiative transfer algorithm. We foc…
Measurements of Sub-degree B-mode Polarization in the Cosmic Microwave Background from 100 Square Degrees of SPTpol Data
R. Keisler, S. Hoover, N. Harrington +63
We present a measurement of the -mode polarization power spectrum (the spectrum) from 100 of sky observed with SPTpol, a polarization-sensitive receiver cu…
A Multi-Wavelength Mass Analysis of RCS2 J232727.6-020437, a ~3x10M Galaxy Cluster at z=0.7
K. Sharon, M. D. Gladders, D. P. Marrone +19
We present an initial study of the mass and evolutionary state of a massive and distant cluster, RCS2 J232727.6-020437. This cluster, at z=0.6986, is the richest cluster discovered…
Radio and Millimeter Monitoring of Sgr A*: Spectrum, Variability, and Constraints on the G2 Encounter
Geoffrey C. Bower, Sera Markoff, Jason Dexter +10
We report new observations with the Very Large Array, Atacama Large Millimeter Array, and Submillimeter Array at frequencies from 1.0 to 355 GHz of the Galactic Center black hole,…
The nature of the [CII] emission in dusty star-forming galaxies from the SPT survey
Bitten Gullberg, Carlos De Breuck, Joaquin Vieira +24
We present [CII] observations of 20 strongly lensed dusty star forming galaxies at 2.1 < z < 5.7 using APEX and Herschel. The sources were selected on their 1.4 mm flux (S_1.4mm >…