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Revisiting the WMAP - NVSS angular cross correlation. A skeptic's view
Carlos Hernandez-Monteagudo
In the context of the study of the ISW, we revisit the angular cross correlation of WMAP CMB data with the NVSS radio survey. We compute 2-point cross functions between the two sur…
Simulations of the Microwave Sky
Neelima Sehgal, Paul Bode, Sudeep Das +5
We create realistic, full-sky, half-arcminute resolution simulations of the microwave sky matched to the most recent astrophysical observations. The primary purpose of these simula…
Non-Gaussian Distribution and Clustering of Hot and Cold Pixels in the WMAP Five-Year Sky
Graziano Rossi, Ravi K. Sheth, Changbom Park +1
We present measurements of the clustering of hot and cold patches in the microwave background sky as measured from the Wilkinson Microwave Anisotropy Probe (WMAP) five-year data. T…
Galaxy Clusters as mirrors of the distant Universe. Implications for the kSZ and ISW effects
Carlos Hernandez-Monteagudo, Rashid A. Sunyaev
It is well known that Thomson scattering of CMB photons in galaxy clusters introduces new anisotropies in the CMB radiation field, but however little attention is payed to the frac…
Impact of Scale Dependent Bias and Nonlinear Structure Growth on the ISW Effect: Angular Power Spectra
Robert E. Smith, Carlos Hernandez-Monteagudo, Uros Seljak
We investigate the impact of nonlinear evolution of the gravitational potentials in the LCDM model on the Integrated Sachs-Wolfe (ISW) contribution to the CMB temperature power spe…
On the peculiar momentum of baryons after Reionization
Carlos Hernandez-Monteagudo, Shirley Ho
The peculiar motion of ionized baryons is known to introduce temperature anisotropies in the CMB by means of the kinetic Sunyaev-Zel'dovich effect (kSZ). In this work, we present a…
Observing the Evolution of the Universe
James Aguirre, Alexandre Amblard, Amjad Ashoorioon +172
How did the universe evolve? The fine angular scale (l>1000) temperature and polarization anisotropies in the CMB are a Rosetta stone for understanding the evolution of the univers…
The Origin of the Universe as Revealed Through the Polarization of the Cosmic Microwave Background
S. Dodelson, R. Easther, S. Hanany +61
Modern cosmology has sharpened questions posed for millennia about the origin of our cosmic habitat. The age-old questions have been transformed into two pressing issues primed for…