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Evidence for anomalous dust-correlated emission at 8 GHz
Michelle Lu, Joanna Dunkley, Lyman Page
In 1969 Edward Conklin measured the anisotropy in celestial emission at 8 GHz with a resolution of 16.2 degrees and used the data to report a detection of the CMB dipole. Given the…
The Atacama Cosmology Telescope: ACT-CL J0102-4915 "El Gordo," a Massive Merging Cluster at Redshift 0.87
Felipe Menanteau, John P. Hughes, Cristobal Sifon +24
We present a detailed analysis from new multi-wavelength observations of the exceptional galaxy cluster ACT-CL J0102-4915 "El Gordo," likely the most massive, hottest, most X-ray l…
Power-Law Template for IR Point Source Clustering
Graeme E. Addison, Joanna Dunkley, Amir Hajian +15
We perform a combined fit to angular power spectra of unresolved infrared (IR) point sources from the Planck satellite (at 217, 353, 545 and 857 GHz, over angular scales 100 < l <…
The Atacama Cosmology Telescope: a measurement of the primordial power spectrum
Renée Hlozek, Joanna Dunkley, Graeme Addison +37
We present constraints on the primordial power spectrum of adiabatic fluctuations using data from the 2008 Southern Survey of the Atacama Cosmology Telescope (ACT). The angular res…
Evidence for dark energy from the cosmic microwave background alone using the Atacama Cosmology Telescope lensing measurements
Blake D. Sherwin, Joanna Dunkley, Sudeep Das +35
For the first time, measurements of the cosmic microwave background radiation (CMB) alone favor cosmologies with dark energy over models without dark energy at a 3.2-sigma l…
Large-Scale Polarized Foreground Component Separation for Planck
Charmaine Armitage-Caplan, Joanna Dunkley, Hans Kristian Eriksen +1
We use Bayesian component estimation methods to examine the prospects for large-scale polarized map and cosmological parameter estimation with simulated Planck data assuming simpli…