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Title: Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT

Here, we detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of $$4.2 \sigma$$ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey (DES) with CMB temperature maps from the South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) Survey. This measurement is performed with a differential statistic that isolates the pairwise kSZ signal, providing the first detection of the large-scale, pairwise motion of clusters using redshifts derived from photometric data. By fitting the pairwise kSZ signal to a theoretical template we measure the average central optical depth of the cluster sample, $$\bar{\tau}_e = (3.75 \pm 0.89)\cdot 10^{-3}$$. We compare the extracted signal to realistic simulations and find good agreement with respect to the signal-to-noise, the constraint on $$\bar{\tau}_e$$, and the corresponding gas fraction. High-precision measurements of the pairwise kSZ signal with future data will be able to place constraints on the baryonic physics of galaxy clusters, and could be used to probe gravity on scales $$ \gtrsim 100$$ Mpc.
Authors:
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Publication Date:
Report Number(s):
DES-2015-0154; FERMILAB-PUB-16-036-AE; arXiv:1603.03904; DES-2015-0154, Fermilab PUB-16-036-AE; BNL-112556-2016-JA
Journal ID: ISSN 0035-8711; 1427367
Grant/Contract Number:
AC02-07CH11359; AC02-SF00515; SC00112704; AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Volume: 461; Journal Issue: 3; Journal ID: ISSN 0035-8711
Publisher:
Royal Astronomical Society
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
The DES and SPT Collaborations
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; galaxies: clusters: general; cosmic background radiation; large-scale structure of Universe; galaxies:clusters: general; large-scale structure of universe
OSTI Identifier:
1253590
Alternate Identifier(s):
OSTI ID: 1333878; OSTI ID: 1336110

Soergel, B., Flender, S., Story, K. T., Bleem, L., Giannantonio, T., Efstathiou, G., Rykoff, E., Benson, B. A., Crawford, T., Dodelson, S., Habib, S., Heitmann, K., Holder, G., Jain, B., Rozo, E., Saro, A., Weller, J., Abdalla, F. B., Allam, S., Annis, J., Armstrong, R., Benoit-Lévy, A., Bernstein, G. M., Carlstrom, J. E., Carnero Rosell, A., Carrasco Kind, M., Castander, F. J., Chiu, I., Chown, R., Crocce, M., Cunha, C. E., D'Andrea, C. B., da Costa, L. N., de Haan, T., Desai, S., Diehl, H. T., Dietrich, J. P., Doel, P., Estrada, J., Evrard, A. E., Flaugher, B., Fosalba, P., Frieman, J., Gaztanaga, E., Gruen, D., Gruendl, R. A., Holzapfel, W. L., Honscheid, K., James, D. J., Keisler, R., Kuehn, K., Kuropatkin, N., Lahav, O., Lima, M., Marshall, J. L., McDonald, M., Melchior, P., Miller, C. J., Miquel, R., Nord, B., Ogando, R., Omori, Y., Plazas, A. A., Rapetti, D., Reichardt, C. L., Romer, A. K., Roodman, A., Saliwanchik, B. R., Sanchez, E., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, R. C., Soares-Santos, M., Sobreira, F., Stark, A., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Vieira, J. D., Walker, A. R., and Whitehorn, N.. Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT. United States: N. p., Web. doi:10.1093/mnras/stw1455.
Soergel, B., Flender, S., Story, K. T., Bleem, L., Giannantonio, T., Efstathiou, G., Rykoff, E., Benson, B. A., Crawford, T., Dodelson, S., Habib, S., Heitmann, K., Holder, G., Jain, B., Rozo, E., Saro, A., Weller, J., Abdalla, F. B., Allam, S., Annis, J., Armstrong, R., Benoit-Lévy, A., Bernstein, G. M., Carlstrom, J. E., Carnero Rosell, A., Carrasco Kind, M., Castander, F. J., Chiu, I., Chown, R., Crocce, M., Cunha, C. E., D'Andrea, C. B., da Costa, L. N., de Haan, T., Desai, S., Diehl, H. T., Dietrich, J. P., Doel, P., Estrada, J., Evrard, A. E., Flaugher, B., Fosalba, P., Frieman, J., Gaztanaga, E., Gruen, D., Gruendl, R. A., Holzapfel, W. L., Honscheid, K., James, D. J., Keisler, R., Kuehn, K., Kuropatkin, N., Lahav, O., Lima, M., Marshall, J. L., McDonald, M., Melchior, P., Miller, C. J., Miquel, R., Nord, B., Ogando, R., Omori, Y., Plazas, A. A., Rapetti, D., Reichardt, C. L., Romer, A. K., Roodman, A., Saliwanchik, B. R., Sanchez, E., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, R. C., Soares-Santos, M., Sobreira, F., Stark, A., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Vieira, J. D., Walker, A. R., & Whitehorn, N.. Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT. United States. doi:10.1093/mnras/stw1455.
Soergel, B., Flender, S., Story, K. T., Bleem, L., Giannantonio, T., Efstathiou, G., Rykoff, E., Benson, B. A., Crawford, T., Dodelson, S., Habib, S., Heitmann, K., Holder, G., Jain, B., Rozo, E., Saro, A., Weller, J., Abdalla, F. B., Allam, S., Annis, J., Armstrong, R., Benoit-Lévy, A., Bernstein, G. M., Carlstrom, J. E., Carnero Rosell, A., Carrasco Kind, M., Castander, F. J., Chiu, I., Chown, R., Crocce, M., Cunha, C. E., D'Andrea, C. B., da Costa, L. N., de Haan, T., Desai, S., Diehl, H. T., Dietrich, J. P., Doel, P., Estrada, J., Evrard, A. E., Flaugher, B., Fosalba, P., Frieman, J., Gaztanaga, E., Gruen, D., Gruendl, R. A., Holzapfel, W. L., Honscheid, K., James, D. J., Keisler, R., Kuehn, K., Kuropatkin, N., Lahav, O., Lima, M., Marshall, J. L., McDonald, M., Melchior, P., Miller, C. J., Miquel, R., Nord, B., Ogando, R., Omori, Y., Plazas, A. A., Rapetti, D., Reichardt, C. L., Romer, A. K., Roodman, A., Saliwanchik, B. R., Sanchez, E., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, R. C., Soares-Santos, M., Sobreira, F., Stark, A., Suchyta, E., Swanson, M. E. C., Tarle, G., Thomas, D., Vieira, J. D., Walker, A. R., and Whitehorn, N.. 2016. "Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT". United States. doi:10.1093/mnras/stw1455. https://www.osti.gov/servlets/purl/1253590.
@article{osti_1253590,
title = {Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT},
author = {Soergel, B. and Flender, S. and Story, K. T. and Bleem, L. and Giannantonio, T. and Efstathiou, G. and Rykoff, E. and Benson, B. A. and Crawford, T. and Dodelson, S. and Habib, S. and Heitmann, K. and Holder, G. and Jain, B. and Rozo, E. and Saro, A. and Weller, J. and Abdalla, F. B. and Allam, S. and Annis, J. and Armstrong, R. and Benoit-Lévy, A. and Bernstein, G. M. and Carlstrom, J. E. and Carnero Rosell, A. and Carrasco Kind, M. and Castander, F. J. and Chiu, I. and Chown, R. and Crocce, M. and Cunha, C. E. and D'Andrea, C. B. and da Costa, L. N. and de Haan, T. and Desai, S. and Diehl, H. T. and Dietrich, J. P. and Doel, P. and Estrada, J. and Evrard, A. E. and Flaugher, B. and Fosalba, P. and Frieman, J. and Gaztanaga, E. and Gruen, D. and Gruendl, R. A. and Holzapfel, W. L. and Honscheid, K. and James, D. J. and Keisler, R. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Lima, M. and Marshall, J. L. and McDonald, M. and Melchior, P. and Miller, C. J. and Miquel, R. and Nord, B. and Ogando, R. and Omori, Y. and Plazas, A. A. and Rapetti, D. and Reichardt, C. L. and Romer, A. K. and Roodman, A. and Saliwanchik, B. R. and Sanchez, E. and Schubnell, M. and Sevilla-Noarbe, I. and Sheldon, E. and Smith, R. C. and Soares-Santos, M. and Sobreira, F. and Stark, A. and Suchyta, E. and Swanson, M. E. C. and Tarle, G. and Thomas, D. and Vieira, J. D. and Walker, A. R. and Whitehorn, N.},
abstractNote = {Here, we detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of $4.2 \sigma$ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey (DES) with CMB temperature maps from the South Pole Telescope Sunyaev-Zel'dovich (SPT-SZ) Survey. This measurement is performed with a differential statistic that isolates the pairwise kSZ signal, providing the first detection of the large-scale, pairwise motion of clusters using redshifts derived from photometric data. By fitting the pairwise kSZ signal to a theoretical template we measure the average central optical depth of the cluster sample, $\bar{\tau}_e = (3.75 \pm 0.89)\cdot 10^{-3}$. We compare the extracted signal to realistic simulations and find good agreement with respect to the signal-to-noise, the constraint on $\bar{\tau}_e$, and the corresponding gas fraction. High-precision measurements of the pairwise kSZ signal with future data will be able to place constraints on the baryonic physics of galaxy clusters, and could be used to probe gravity on scales $ \gtrsim 100$ Mpc.},
doi = {10.1093/mnras/stw1455},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 3,
volume = 461,
place = {United States},
year = {2016},
month = {6}
}