Maps of the Southern Millimeter-wave Sky from Combined 2500 deg2 SPT-SZ and Planck Temperature Data

Chown, R.; Omori, Y.; Aylor, K; Benson, B. A.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Crawford, T.; Crites, A. T.; chao, H. M.; Henning, J. W.

doi:10.3847/1538-4365/aae694

Maps of the Southern Millimeter-wave Sky from Combined 2500 deg2 SPT-SZ and Planck Temperature Data

Journal Article · 01 November 2018 · The Astrophysical Journal. Supplement Series

DOI:https://doi.org/10.3847/1538-4365/aae694· OSTI ID:1574223

Chown, R.; Omori, Y.; Aylor, K; Benson, B. A.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Crawford, T.; Crites, A. T.; chao, H. M.; Henning, J. W.

We present three maps of the millimeter-wave sky created by combining data from the South Pole Telescope (SPT) and the Planck satellite. We use data from the SPT-SZ survey, a survey of 2540 deg2 of the the sky with arcminute resolution in three bands centered at 95, 150, and 220 GHz, and the full-mission Planck temperature data in the 100, 143, and 217 GHz bands. A linear combination of the SPT-SZ and Planck data is computed in spherical harmonic space, with weights derived from the noise of both instruments. This weighting scheme results in Planck data providing most of the large-angular-scale information in the combined maps, with the smaller-scale information coming from SPT-SZ data. A number of tests have been done on the maps. We find their angular power spectra to agree very well with theoretically predicted spectra and previously published results.

Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: National Science Foundation (NSF); University of Chicago - Kavli Institute for Cosmological Physics; Gordon and Betty Moore Foundation; USDOE Office of Science - Office of High Energy Physics

DOE Contract Number:: AC02-06CH11357

OSTI ID:: 1574223

Journal Information:: The Astrophysical Journal. Supplement Series, Vol. 239, Issue 1

Country of Publication:: United States

Language:: English

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