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Cosmology from Large Scale Structure
Andrew Hamilton, Nick Gnedin, Max Tegmark +1
We report on the linear matter power spectrum reconstructed from the Lyman alpha forest, on baryonic wiggles in the galaxy power spectrum, and on how to measure real space (as oppo…
CMB Polarization at Large Angular Scales: Data Analysis of the POLAR Experiment
Christopher W. O'Dell, Brian G. Keating, Angelica de Oliveira-Costa +2
The coming flood of CMB polarization experiments, spurred by the recent detection of CMB polarization by DASI and WMAP, will be confronted by many new analysis tasks specific to po…
The large-scale polarization of the microwave background and foreground
Angelica de Oliveira-Costa, Max Tegmark, Chris O'Dell +4
The DASI discovery of CMB polarization has opened a new chapter in cosmology. Most of the useful information about inflationary gravitational waves and reionization is on large ang…
The Galaxy Luminosity Function and Luminosity Density at Redshift z=0.1
Michael R. Blanton, David W. Hogg, J. Brinkmann +16
Using a catalog of 147,986 galaxy redshifts and fluxes from the Sloan Digital Sky Survey (SDSS) we measure the galaxy luminosity density at z=0.1 in five optical bandpasses corresp…
Separating the Early Universe from the Late Universe: cosmological parameter estimation beyond the black box
Max Tegmark, Matias Zaldarriaga
We present a method for measuring the cosmic matter budget without assumptions about speculative Early Universe physics, and for measuring the primordial power spectrum P*(k) non-p…
First attempt at measuring the CMB cross-polarization
Angelica de Oliveira-Costa, Max Tegmark, Matias Zaldarriaga +5
We compute upper limits on CMB cross-polarization by cross-correlating the PIQUE and Saskatoon experiments. We also discuss theoretical and practical issues relevant to measuring c…