The Atacama Cosmology Telescope: Power Spectrum Results

Details The Atacama Cosmology Telescope: Power Spectrum Results The Atacama Cosmology Telescope: Power Spectrum Results

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21538407f&link_type=abstract

American Astronomical Society, AAS Meeting #215, #384.07; Bulletin of the American Astronomical Society, Vol. 42, p.599

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The Atacama Cosmology Telescope has mapped regions of the millimeter sky with arcminute resolution. We present initial results on the angular power spectrum of the cosmic microwave background (CMB) on angular scales with multipoles from 1000< \ell <8000. The maps made at 148 GHz contain the primary CMB, galaxy clusters, and point sources. After removing the brightest clusters and sources, we find the combination of the three components that best matches the power spectrum. We also discuss the prospects for better distinguishing the components when using maps made by ACT at multiple microwave frequencies.

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