Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey

Gupta, N.; Reichardt, C. L.; Ade, P. A. R.; Anderson, A. J.; Archipley, M.; Austermann, J. E.; Avva, J. S.; Beall, J. A.; Bender, A. N.; Benson, B. A.; Bianchini, F.; Bleem, L. E.; Carlstrom, J. E.; Chang, C. L.; Chiang, H. C.; Citron, R.; Moran, C. Corbett; Crawford, T. M.; Crites, A. T.; de Haan, T.; Dobbs, M. A.; Everett, W.; Feng, C.; Gallicchio, J.; George, E. M.; Gilbert, A.; Halverson, N. W.; Harrington, N.; Henning, J. W.; Hilton, G. C.; Holder, G. P.; Holzapfel, W. L.; Hou, Z.; Hrubes, J. D.; Huang, N.; Hubmayr, J.; Irwin, K. D.; Knox, L.; Lee, A. T.; Li, D.; Lowitz, A.; Luong-Van, D.; Marrone, D. P.; McMahon, J. J.; Meyer, S. S.; Mocanu, L. M.; Mohr, J. J.; Montgomery, J.; Nadolski, A.; Natoli, T.; Nibarger, J. P.; Noble, G. I.; Novosad, V.; Padin, S.; Patil, S.; Pryke, C.; Ruhl, J. E.; Saliwanchik, B. R.; Sayre, J. T.; Schaffer, K. K.; Shirokoff, E.; Sievers, C.; Smecher, G.; Staniszewski, Z.; Stark, A. A.; Story, K. T.; Switzer, E. R.; Tucker, C.; Vanderlinde, K.; Veach, T.; Vieira, J. D.; Wang, G.; Whitehorn, N.; Williamson, R.; Wu, W. L. K.; Yefremenko, V.; Zhang, L.

doi:10.1093/mnras/stz2905

Title: Fractional polarization of extragalactic sources in the 500 deg² SPTpol survey

Abstract

We study the polarization properties of extragalactic sources at 95 and 150 GHz in the SPTpol 500 deg² survey. We estimate the polarized power by stacking maps at known source positions, and correct for noise bias by subtracting the mean polarized power at random positions in the maps. We show that the method is unbiased using a set of simulated maps with similar noise properties to the real SPTpol maps. We find a flux-weighted mean-squared polarization fraction $$\langle$$p²$$\rangle$$ = [8.9 ± 1.1] × 10^-4 at 95 GHz and [6.9 ± 1.1] × 10^-4 at 150 GHz for the full sample. This is consistent with the values obtained for a subsample of active galactic nuclei. For dusty sources, we find 95 percent upper limits of $$\langle$$p²$$\rangle$$₉₅ < 16.9 × 10^-3 and $$\langle$$p²$$\rangle$$₁₅₀ < 2.6 × 10^-3. We find no evidence that the polarization fraction depends on the source flux or observing frequency. The 1σ upper limit on measured mean-squared polarization fraction at 150 GHz implies that extragalactic foregrounds will be subdominant to the CMB E and B mode polarization power spectra out to at least ℓ ≲ 5700 (ℓ ≲ 4700) and ℓ ≲ 5300 (ℓ ≲ 3600), respectively, at 95 (150) GHz.

Authors:

Gupta, N. ^[1];

^[1]; Ade, P. A. R. ^[2]; Anderson, A. J. ^[3]; Archipley, M. ^[4]; Austermann, J. E. ^[5]; Avva, J. S. ^[6]; Beall, J. A. ^[5]; Bender, A. N. ^[7]; Benson, B. A. ^[8]; Bianchini, F. ^[1]; Bleem, L. E. ^[7]; Carlstrom, J. E. ^[9]; Chang, C. L. ^[10]; Chiang, H. C. ^[11]; Citron, R. ^[12]; Moran, C. Corbett ^[13]; Crawford, T. M. ^[14]; Crites, A. T. ^[15]; de Haan, T. ^[16] more »

School of Physics, University of Melbourne, Parkville, VIC 3010, Australia
School of Physics and Astronomy, Cardiff University, Cardiff CF10 3XQ, UK
Fermi National Accelerator Laboratory, MS209, P.O. Box 500, Batavia, IL 60510, USA, Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Str, Urbana, IL 61801, USA
NIST Quantum Devices Group, 325 Broadway Mailcode 817.03, Boulder, CO 80305, USA
Department of Physics, University of California, Berkeley, CA 94720, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, High Energy Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA
Fermi National Accelerator Laboratory, MS209, P.O. Box 500, Batavia, IL 60510, USA, Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, High Energy Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637 USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, High Energy Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
School of Mathematics, Statistics & Computer Science, University of KwaZulu-Natal, Durban 4001, South Africa
University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
TAPIR, Walter Burke Institute for Theoretical Physics, California Institute of Technology, 1200 E California Blvd., Pasadena, CA 91125, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Keck Institute for Space Studies, California Institute of Technology, MS 249-17, 1216 E. California Blvd., Pasadena, CA 91125, USA
Department of Physics, University of California, Berkeley, CA 94720, USA, Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
Department of Physics, McGill University, 3600 Rue University, Montreal, Quebec H3A 2T8, Canada, Canadian Institute for Advanced Research, CIFAR Program in Cosmology and Gravity, Toronto, ON M5G 1Z8, Canada
Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309, USA
Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Str, Urbana, IL 61801, USA, Department of Physics, University of Illinois Urbana-Champaign, 1110 W. Green Str, Urbana, IL 61801, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Harvey Mudd College, 301 Platt Blvd., Claremont, CA 91711, USA
Department of Physics, University of California, Berkeley, CA 94720, USA, European Southern Observatory, Karl-Schwarzschild-Str 2, Garching bei München D-85748, Germany
Department of Physics, McGill University, 3600 Rue University, Montreal, Quebec H3A 2T8, Canada
Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309, USA, Department of Physics, University of Colorado, Boulder, CO 80309, USA
Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Str, Urbana, IL 61801, USA, Canadian Institute for Advanced Research, CIFAR Program in Cosmology and Gravity, Toronto, ON M5G 1Z8, Canada, Department of Physics, University of Illinois Urbana-Champaign, 1110 W. Green Str, Urbana, IL 61801, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA, Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
Department of Physics, University of California, One Shields Avenue, Davis, CA 95616, USA
NIST Quantum Devices Group, 325 Broadway Mailcode 817.03, Boulder, CO 80305, USA, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA
Department of Physics, University of Michigan, 450 Church Str, Ann Arbor, MI 48109, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637 USA
Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr 1, Munich D-81679, Germany, Excellence Cluster Origins, Boltzmannstr. 2, Garching D-85748, Germany, Max Planck Institute for Extraterrestrial Physics, Giessenbachstr D-85748 Garching, Germany
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Dunlap Institute for Astronomy & Astrophysics, University of Toronto, 50 St George St, Toronto, ON M5S 3H4, Canada
Materials Sciences Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA
School of Physics and Astronomy, University of Minnesota, 116 Church Str S.E. Minneapolis, MN 55455, USA
Department of Physics, Center for Education and Research in Cosmology and Astrophysics, Case Western Reserve University, Cleveland, OH 44106, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Enrico Fermi Institute, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637 USA, Department of Liberal Arts, School of the Art Institute of Chicago, 112 S Michigan Ave, Chicago, IL 60603, USA
Department of Physics, University of California, Berkeley, CA 94720, USA, Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
Department of Physics, McGill University, 3600 Rue University, Montreal, Quebec H3A 2T8, Canada, Three-Speed Logic, Inc., Vancouver, B.C. V6A 2J8, Canada
Department of Physics, Center for Education and Research in Cosmology and Astrophysics, Case Western Reserve University, Cleveland, OH 44106, USA, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA
Harvard-Smithsonian Center for Astrophysics, 60 Garden Str, Cambridge, MA 02138, USA
Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
Dunlap Institute for Astronomy & Astrophysics, University of Toronto, 50 St George St, Toronto, ON M5S 3H4, Canada, Department of Astronomy & Astrophysics, University of Toronto, 50 St George St, Toronto, ON M5S 3H4, Canada
Department of Astronomy, University of Maryland College Park, MD 20742, USA
High Energy Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL 60439, USA
Department of Physics and Astronomy, University of California, Los Angeles, CA 90095, USA
University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA

Publication Date:: 2019-10-21

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Kavli Foundation; Gordon and Betty Moore Foundation; Australian Research Council (ARC)

Contributing Org.:: SPT

OSTI Identifier:: 1607541

Alternate Identifier(s):: OSTI ID: 1556975; OSTI ID: 1634014; OSTI ID: 1737589

Report Number(s):: arXiv:1907.02156; FERMILAB-PUB-19-386-AE
Journal ID: ISSN 0035-8711

Grant/Contract Number:: AC02-76SF00515; PHY-1125897; GBMF 947; AC02-05CH11231; PLR-1248097; AC02-07CH11359

Resource Type:: Published Article

Journal Name:: Monthly Notices of the Royal Astronomical Society

Additional Journal Information:: Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 490 Journal Issue: 4; Journal ID: ISSN 0035-8711

Publisher:: Royal Astronomical Society

Country of Publication:: United Kingdom

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; polarization; galaxies: active; cosmology: observations

Citation Formats


                    Gupta, N., Reichardt, C. L., Ade, P. A. R., Anderson, A. J., Archipley, M., Austermann, J. E., Avva, J. S., Beall, J. A., Bender, A. N., Benson, B. A., Bianchini, F., Bleem, L. E., Carlstrom, J. E., Chang, C. L., Chiang, H. C., Citron, R., Moran, C. Corbett, Crawford, T. M., Crites, A. T., de Haan, T., Dobbs, M. A., Everett, W., Feng, C., Gallicchio, J., George, E. M., Gilbert, A., Halverson, N. W., Harrington, N., Henning, J. W., Hilton, G. C., Holder, G. P., Holzapfel, W. L., Hou, Z., Hrubes, J. D., Huang, N., Hubmayr, J., Irwin, K. D., Knox, L., Lee, A. T., Li, D., Lowitz, A., Luong-Van, D., Marrone, D. P., McMahon, J. J., Meyer, S. S., Mocanu, L. M., Mohr, J. J., Montgomery, J., Nadolski, A., Natoli, T., Nibarger, J. P., Noble, G. I., Novosad, V., Padin, S., Patil, S., Pryke, C., Ruhl, J. E., Saliwanchik, B. R., Sayre, J. T., Schaffer, K. K., Shirokoff, E., Sievers, C., Smecher, G., Staniszewski, Z., Stark, A. A., Story, K. T., Switzer, E. R., Tucker, C., Vanderlinde, K., Veach, T., Vieira, J. D., Wang, G., Whitehorn, N., Williamson, R., Wu, W. L. K., Yefremenko, V., and Zhang, L.. Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey.  United Kingdom: N. p., 2019. 
Web.  doi:10.1093/mnras/stz2905.

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                    Gupta, N., Reichardt, C. L., Ade, P. A. R., Anderson, A. J., Archipley, M., Austermann, J. E., Avva, J. S., Beall, J. A., Bender, A. N., Benson, B. A., Bianchini, F., Bleem, L. E., Carlstrom, J. E., Chang, C. L., Chiang, H. C., Citron, R., Moran, C. Corbett, Crawford, T. M., Crites, A. T., de Haan, T., Dobbs, M. A., Everett, W., Feng, C., Gallicchio, J., George, E. M., Gilbert, A., Halverson, N. W., Harrington, N., Henning, J. W., Hilton, G. C., Holder, G. P., Holzapfel, W. L., Hou, Z., Hrubes, J. D., Huang, N., Hubmayr, J., Irwin, K. D., Knox, L., Lee, A. T., Li, D., Lowitz, A., Luong-Van, D., Marrone, D. P., McMahon, J. J., Meyer, S. S., Mocanu, L. M., Mohr, J. J., Montgomery, J., Nadolski, A., Natoli, T., Nibarger, J. P., Noble, G. I., Novosad, V., Padin, S., Patil, S., Pryke, C., Ruhl, J. E., Saliwanchik, B. R., Sayre, J. T., Schaffer, K. K., Shirokoff, E., Sievers, C., Smecher, G., Staniszewski, Z., Stark, A. A., Story, K. T., Switzer, E. R., Tucker, C., Vanderlinde, K., Veach, T., Vieira, J. D., Wang, G., Whitehorn, N., Williamson, R., Wu, W. L. K., Yefremenko, V., & Zhang, L.. Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey.  United Kingdom.  https://doi.org/10.1093/mnras/stz2905

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                    Gupta, N., Reichardt, C. L., Ade, P. A. R., Anderson, A. J., Archipley, M., Austermann, J. E., Avva, J. S., Beall, J. A., Bender, A. N., Benson, B. A., Bianchini, F., Bleem, L. E., Carlstrom, J. E., Chang, C. L., Chiang, H. C., Citron, R., Moran, C. Corbett, Crawford, T. M., Crites, A. T., de Haan, T., Dobbs, M. A., Everett, W., Feng, C., Gallicchio, J., George, E. M., Gilbert, A., Halverson, N. W., Harrington, N., Henning, J. W., Hilton, G. C., Holder, G. P., Holzapfel, W. L., Hou, Z., Hrubes, J. D., Huang, N., Hubmayr, J., Irwin, K. D., Knox, L., Lee, A. T., Li, D., Lowitz, A., Luong-Van, D., Marrone, D. P., McMahon, J. J., Meyer, S. S., Mocanu, L. M., Mohr, J. J., Montgomery, J., Nadolski, A., Natoli, T., Nibarger, J. P., Noble, G. I., Novosad, V., Padin, S., Patil, S., Pryke, C., Ruhl, J. E., Saliwanchik, B. R., Sayre, J. T., Schaffer, K. K., Shirokoff, E., Sievers, C., Smecher, G., Staniszewski, Z., Stark, A. A., Story, K. T., Switzer, E. R., Tucker, C., Vanderlinde, K., Veach, T., Vieira, J. D., Wang, G., Whitehorn, N., Williamson, R., Wu, W. L. K., Yefremenko, V., and Zhang, L.. Mon .  
"Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey".  United Kingdom.  https://doi.org/10.1093/mnras/stz2905.

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@article{osti_1607541,

  title        = {Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey},

  author       = {Gupta, N. and Reichardt, C. L. and Ade, P. A. R. and Anderson, A. J. and Archipley, M. and Austermann, J. E. and Avva, J. S. and Beall, J. A. and Bender, A. N. and Benson, B. A. and Bianchini, F. and Bleem, L. E. and Carlstrom, J. E. and Chang, C. L. and Chiang, H. C. and Citron, R. and Moran, C. Corbett and Crawford, T. M. and Crites, A. T. and de Haan, T. and Dobbs, M. A. and Everett, W. and Feng, C. and Gallicchio, J. and George, E. M. and Gilbert, A. and Halverson, N. W. and Harrington, N. and Henning, J. W. and Hilton, G. C. and Holder, G. P. and Holzapfel, W. L. and Hou, Z. and Hrubes, J. D. and Huang, N. and Hubmayr, J. and Irwin, K. D. and Knox, L. and Lee, A. T. and Li, D. and Lowitz, A. and Luong-Van, D. and Marrone, D. P. and McMahon, J. J. and Meyer, S. S. and Mocanu, L. M. and Mohr, J. J. and Montgomery, J. and Nadolski, A. and Natoli, T. and Nibarger, J. P. and Noble, G. I. and Novosad, V. and Padin, S. and Patil, S. and Pryke, C. and Ruhl, J. E. and Saliwanchik, B. R. and Sayre, J. T. and Schaffer, K. K. and Shirokoff, E. and Sievers, C. and Smecher, G. and Staniszewski, Z. and Stark, A. A. and Story, K. T. and Switzer, E. R. and Tucker, C. and Vanderlinde, K. and Veach, T. and Vieira, J. D. and Wang, G. and Whitehorn, N. and Williamson, R. and Wu, W. L. K. and Yefremenko, V. and Zhang, L.},

  abstractNote = {We study the polarization properties of extragalactic sources at 95 and 150 GHz in the SPTpol 500 deg2 survey. We estimate the polarized power by stacking maps at known source positions, and correct for noise bias by subtracting the mean polarized power at random positions in the maps. We show that the method is unbiased using a set of simulated maps with similar noise properties to the real SPTpol maps. We find a flux-weighted mean-squared polarization fraction $\langle$p2$\rangle$ = [8.9 ± 1.1] × 10-4 at 95 GHz and [6.9 ± 1.1] × 10-4 at 150 GHz for the full sample. This is consistent with the values obtained for a subsample of active galactic nuclei. For dusty sources, we find 95 percent upper limits of $\langle$p2$\rangle$95 < 16.9 × 10-3 and $\langle$p2$\rangle$150 < 2.6 × 10-3. We find no evidence that the polarization fraction depends on the source flux or observing frequency. The 1σ upper limit on measured mean-squared polarization fraction at 150 GHz implies that extragalactic foregrounds will be subdominant to the CMB E and B mode polarization power spectra out to at least ℓ ≲ 5700 (ℓ ≲ 4700) and ℓ ≲ 5300 (ℓ ≲ 3600), respectively, at 95 (150) GHz.},

  doi          = {10.1093/mnras/stz2905},

  journal      = {Monthly Notices of the Royal Astronomical Society},

  number       = 4,

  volume       = 490,

  place        = {United Kingdom},

  year         = {2019},

  month        = {10}

}

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Figures / Tables:

Figure 1: Stacked $I$ and $P$ cutout maps extracted from the SPTpol 95 GHz (top panels) and 150 GHz (bottom panels) data at the positions of 69 sources with $S$ > 40 mJy in the SPT-SZ 150 GHz catalogue described in Section 2.1.

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High-frequency predictions for number counts and spectral properties of extragalactic radio sources. New evidence of a break at mm wavelengths in spectra of bright blazar sources
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Measurements of the Temperature and E-mode Polarization of the CMB from 500 Square Degrees of SPTpol Data
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Henning, J. W.; Sayre, J. T.; Reichardt, C. L.
The Astrophysical Journal, Vol. 852, Issue 2
DOI: 10.3847/1538-4357/aa9ff4

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Measurements of sub-degree B-mode polarization in the cosmic microwave background from 100 square degrees of SPTPOL data

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We present a measurement of the B-mode polarization power spectrum (the BB spectrum) from 100 deg{sup 2} of sky observed with SPTpol, a polarization-sensitive receiver currently installed on the South Pole Telescope. The observations used in this work were taken during 2012 and early 2013 and include data in spectral bands centered at 95 and 150 GHz. We report the BB spectrum in five bins in multipole space, spanning the range 300⩽ℓ⩽2300, and for three spectral combinations: 95 GHz × 95 GHz, 95 GHz × 150 GHz, and 150 GHz × 150 GHz. We subtract small (<0.5σ in units ofmore »« less
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© 2020 American Physical Society. We report a B-mode power spectrum measurement from the cosmic microwave background (CMB) polarization anisotropy observations made using the SPTpol instrument on the South Pole Telescope. This work uses 500 deg2 of SPTpol data, a five-fold increase over the last SPTpol B-mode release. As a result, the bandpower uncertainties have been reduced by more than a factor of two, and the measurement extends to lower multipoles: 52< <2301. Data from both 95 and 150 GHz are used, allowing for three cross-spectra: 95 GHz × 95 GHz, 95 GHz × 150 GHz, and 150 GHz ×more »« less
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We present measurements of the E-mode polarization angular auto-power spectrum (EE) and temperature-E-mode cross-power spectrum (TE) of the cosmic microwave background (CMB) using 150 GHz data from three seasons of SPTpol observations. We report the power spectra over the spherical harmonic multipole range 50 < l <= 8000 and detect nine acoustic peaks in the EE spectrum with high signal-to-noise ratio. These measurements are the most sensitive to date of the EE and TE power spectra at l > 1050 and l > 1475, respectively. The observations cover 500 deg(2), a fivefold increase in area compared to previous SPTpol analyses,more »« less
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Title: Fractional polarization of extragalactic sources in the 500 deg2 SPTpol survey

Abstract

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Figures / Tables:

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Measurements of the Temperature and E-mode Polarization of the CMB from 500 Square Degrees of SPTpol Data journal, January 2018

Title: Fractional polarization of extragalactic sources in the 500 deg² SPTpol survey

Statistical properties of polarized radio sources at high frequency and their impact on cosmic microwave background polarization measurements: Properties of polarized radio sources
journal, January 2011

Statistics of the fractional polarization of extragalactic dusty sources in Planck HFI maps
journal, August 2017

Characterization of polarimetric and total intensity behaviour of a complete sample of PACO radio sources in the radio bands
journal, December 2017

High-Frequency Radio Spectral Energy Distributions and Polarization Fractions of Sources in an Atacama Cosmology Telescope Survey Field
journal, April 2011

The linear polarization of quasi-stellar radio sources at 3.71 and 11.1 centimeters
journal, December 1974

THE ATACAMA COSMOLOGY TELESCOPE: EXTRAGALACTIC SOURCES AT 148 GHz IN THE 2008 SURVEY
journal, March 2011

Year two instrument status of the SPT-3G cosmic microwave background receiver
conference, August 2018

SPTpol: an instrument for CMB polarization measurements with the South Pole Telescope
conference, September 2012

First results from the Australia Telescope Compact Array 18-GHz pilot survey
journal, October 2004

EXTRAGALACTIC MILLIMETER-WAVE POINT-SOURCE CATALOG, NUMBER COUNTS AND STATISTICS FROM 771 deg ² OF THE SPT-SZ SURVEY
journal, November 2013

MEASUREMENTS OF SUB-DEGREE B -MODE POLARIZATION IN THE COSMIC MICROWAVE BACKGROUND FROM 100 SQUARE DEGREES OF SPTPOL DATA
journal, July 2015

Measurements of E-Mode Polarization and Temperature-E-Mode Correlation in the Cosmic Microwave Background from 100 Square Degrees of Sptpol data
journal, May 2015

The Australia Telescope 20 GHz Survey: the source catalogue
journal, March 2010

Multifrequency polarimetry of a complete sample of PACO radio sources
journal, November 2016

AGN-controlled cooling in elliptical galaxies
journal, May 2006

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journal, February 2019

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journal, November 2002

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journal, June 2007

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journal, June 2016

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journal, January 2015

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journal, May 1998

Predictions for high-frequency radio surveys of extragalactic sources
journal, February 2005

A massive, cooling-flow-induced starburst in the core of a luminous cluster of galaxies
journal, August 2012

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journal, September 2006

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journal, February 2012

Statistics of the fractional polarization of compact radio sources in Planck maps
journal, April 2017

High-frequency predictions for number counts and spectral properties of extragalactic radio sources. New evidence of a break at mm wavelengths in spectra of bright blazar sources
journal, August 2011

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journal, June 1998

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journal, October 2009

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journal, December 2011

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journal, July 2010

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journal, May 2011

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journal, June 2016

THE FIRST PUBLIC RELEASE OF SOUTH POLE TELESCOPE DATA: MAPS OF A 95 deg ² FIELD FROM 2008 OBSERVATIONS
journal, November 2011

Average fractional polarization of extragalactic sources at Planck frequencies
journal, October 2018

Measurements of the Temperature and E-mode Polarization of the CMB from 500 Square Degrees of SPTpol Data
journal, January 2018