Small angular scale measurements of the cosmic microwave background temperature power spectrum from QUaD

R. B. Friedman, P. Ade, J. Bock, M. Bowden, M. L. Brown, G. Cahill, P. G. Castro, S. Church, T. Culverhouse, K. Ganga, W. K. Gear, S. Gupta, J. Hinderks, J. Kovac, A. E. Lange, E. Leitch, S. J. Melhuish, Y. Memari, J. A. Murphy, A. OrlandoC. O'Sullivan, L. Piccirillo, C. Pryke, N. Rajguru, B. Rusholme, R. Schwarz, A. N. Taylor, K. L. Thompson, A. H. Turner, E. Y.S. Wu, M. Zemcov

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

We present measurements of the cosmic microwave background (CMB) radiation temperature anisotropy in the multipole range 2000 < ℓ < 3000 from the QUaD telescope's second and third observing seasons. After masking the brightest point sources our results are consistent with the primary ΛCDM expectation alone. We estimate the contribution of residual (un-masked) radio point sources using a model calibrated to our own bright source observations, and a full simulation of the source finding and masking procedure. Including this contribution slightly improves the χ2. We also fit a standard Sunyaev-Zel'dovich (SZ) template to the bandpowers and see no strong evidence of an SZ contribution, which is as expected for σ8 0.8.

Original languageEnglish (US)
Pages (from-to)L187-L191
JournalAstrophysical Journal
Volume700
Issue number2 PART 2
DOIs
StatePublished - 2009

Keywords

  • Cosmic microwave background
  • Cosmology: observations

Fingerprint Dive into the research topics of 'Small angular scale measurements of the cosmic microwave background temperature power spectrum from QUaD'. Together they form a unique fingerprint.

  • Cite this

    Friedman, R. B., Ade, P., Bock, J., Bowden, M., Brown, M. L., Cahill, G., Castro, P. G., Church, S., Culverhouse, T., Ganga, K., Gear, W. K., Gupta, S., Hinderks, J., Kovac, J., Lange, A. E., Leitch, E., Melhuish, S. J., Memari, Y., Murphy, J. A., ... Zemcov, M. (2009). Small angular scale measurements of the cosmic microwave background temperature power spectrum from QUaD. Astrophysical Journal, 700(2 PART 2), L187-L191. https://doi.org/10.1088/0004-637X/700/2/L187