Dark Energy Survey year 1 results: Galaxy clustering for combined probes
We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6...
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creator | Elvin-Poole, J. Crocce, M. Ross, A. J. Giannantonio, T. Rozo, E. Rykoff, E. S. Avila, S. Banik, N. Blazek, J. Bridle, S. L. Cawthon, R. Drlica-Wagner, A. Friedrich, O. Kokron, N. Krause, E. MacCrann, N. Prat, J. Sánchez, C. Secco, L. F. Sevilla-Noarbe, I. Troxel, M. A. Abbott, T. M. C. Abdalla, F. B. Allam, S. Annis, J. Asorey, J. Bechtol, K. Becker, M. R. Benoit-Lévy, A. Bernstein, G. M. Bertin, E. Brooks, D. Buckley-Geer, E. Burke, D. L. Carnero Rosell, A. Carollo, D. Carrasco Kind, M. Carretero, J. Castander, F. J. Cunha, C. E. D’Andrea, C. B. da Costa, L. N. Davis, T. M. Davis, C. Desai, S. Diehl, H. T. Dietrich, J. P. Dodelson, S. Doel, P. Eifler, T. F. Evrard, A. E. Fernandez, E. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Gerdes, D. W. Glazebrook, K. Gruen, D. Gruendl, R. A. Gschwend, J. Gutierrez, G. Hartley, W. G. Hinton, S. R. Honscheid, K. Hoormann, J. K. Jain, B. James, D. J. Jarvis, M. Jeltema, T. Johnson, M. W. G. Johnson, M. D. King, A. Kuehn, K. Kuhlmann, S. Kuropatkin, N. Lahav, O. Lewis, G. Li, T. S. Lidman, C. Lima, M. Lin, H. Macaulay, E. March, M. Marshall, J. L. Martini, P. Melchior, P. Menanteau, F. Miquel, R. Mohr, J. J. Möller, A. Nichol, R. C. Nord, B. O’Neill, C. R. Percival, W. J. Petravick, D. Plazas, A. A. Romer, A. K. Sako, M. |
description | We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6×105 luminous red galaxies selected using the redMaGiC algorithm over an area of 1321 square degrees, in the redshift range 0.151 and b(σ8/0.81)|z=0.83=1.98±0.07 for L/L*>1.5, broadly consistent with expectations for the redshift and luminosity dependence of the bias of red galaxies. We show these measurements to be consistent with the linear bias obtained from tangential shear measurements. |
doi_str_mv | 10.1103/PhysRevD.98.042006 |
format | Article |
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J. ; Giannantonio, T. ; Rozo, E. ; Rykoff, E. S. ; Avila, S. ; Banik, N. ; Blazek, J. ; Bridle, S. L. ; Cawthon, R. ; Drlica-Wagner, A. ; Friedrich, O. ; Kokron, N. ; Krause, E. ; MacCrann, N. ; Prat, J. ; Sánchez, C. ; Secco, L. F. ; Sevilla-Noarbe, I. ; Troxel, M. A. ; Abbott, T. M. C. ; Abdalla, F. B. ; Allam, S. ; Annis, J. ; Asorey, J. ; Bechtol, K. ; Becker, M. R. ; Benoit-Lévy, A. ; Bernstein, G. M. ; Bertin, E. ; Brooks, D. ; Buckley-Geer, E. ; Burke, D. L. ; Carnero Rosell, A. ; Carollo, D. ; Carrasco Kind, M. ; Carretero, J. ; Castander, F. J. ; Cunha, C. E. ; D’Andrea, C. B. ; da Costa, L. N. ; Davis, T. M. ; Davis, C. ; Desai, S. ; Diehl, H. T. ; Dietrich, J. P. ; Dodelson, S. ; Doel, P. ; Eifler, T. F. ; Evrard, A. E. ; Fernandez, E. ; Flaugher, B. ; Fosalba, P. ; Frieman, J. ; García-Bellido, J. ; Gaztanaga, E. ; Gerdes, D. W. ; Glazebrook, K. ; Gruen, D. ; Gruendl, R. A. ; Gschwend, J. ; Gutierrez, G. ; Hartley, W. G. ; Hinton, S. R. ; Honscheid, K. ; Hoormann, J. K. ; Jain, B. ; James, D. J. ; Jarvis, M. ; Jeltema, T. ; Johnson, M. W. G. ; Johnson, M. D. ; King, A. ; Kuehn, K. ; Kuhlmann, S. ; Kuropatkin, N. ; Lahav, O. ; Lewis, G. ; Li, T. S. ; Lidman, C. ; Lima, M. ; Lin, H. ; Macaulay, E. ; March, M. ; Marshall, J. L. ; Martini, P. ; Melchior, P. ; Menanteau, F. ; Miquel, R. ; Mohr, J. J. ; Möller, A. ; Nichol, R. C. ; Nord, B. ; O’Neill, C. R. ; Percival, W. J. ; Petravick, D. ; Plazas, A. A. ; Romer, A. K. ; Sako, M.</creator><creatorcontrib>Elvin-Poole, J. ; Crocce, M. ; Ross, A. J. ; Giannantonio, T. ; Rozo, E. ; Rykoff, E. S. ; Avila, S. ; Banik, N. ; Blazek, J. ; Bridle, S. L. ; Cawthon, R. ; Drlica-Wagner, A. ; Friedrich, O. ; Kokron, N. ; Krause, E. ; MacCrann, N. ; Prat, J. ; Sánchez, C. ; Secco, L. F. ; Sevilla-Noarbe, I. ; Troxel, M. A. ; Abbott, T. M. C. ; Abdalla, F. B. ; Allam, S. ; Annis, J. ; Asorey, J. ; Bechtol, K. ; Becker, M. R. ; Benoit-Lévy, A. ; Bernstein, G. M. ; Bertin, E. ; Brooks, D. ; Buckley-Geer, E. ; Burke, D. L. ; Carnero Rosell, A. ; Carollo, D. ; Carrasco Kind, M. ; Carretero, J. ; Castander, F. J. ; Cunha, C. E. ; D’Andrea, C. B. ; da Costa, L. N. ; Davis, T. M. ; Davis, C. ; Desai, S. ; Diehl, H. T. ; Dietrich, J. P. ; Dodelson, S. ; Doel, P. ; Eifler, T. F. ; Evrard, A. E. ; Fernandez, E. ; Flaugher, B. ; Fosalba, P. ; Frieman, J. ; García-Bellido, J. ; Gaztanaga, E. ; Gerdes, D. W. ; Glazebrook, K. ; Gruen, D. ; Gruendl, R. A. ; Gschwend, J. ; Gutierrez, G. ; Hartley, W. G. ; Hinton, S. R. ; Honscheid, K. ; Hoormann, J. K. ; Jain, B. ; James, D. J. ; Jarvis, M. ; Jeltema, T. ; Johnson, M. W. G. ; Johnson, M. D. ; King, A. ; Kuehn, K. ; Kuhlmann, S. ; Kuropatkin, N. ; Lahav, O. ; Lewis, G. ; Li, T. S. ; Lidman, C. ; Lima, M. ; Lin, H. ; Macaulay, E. ; March, M. ; Marshall, J. L. ; Martini, P. ; Melchior, P. ; Menanteau, F. ; Miquel, R. ; Mohr, J. J. ; Möller, A. ; Nichol, R. C. ; Nord, B. ; O’Neill, C. R. ; Percival, W. J. ; Petravick, D. ; Plazas, A. A. ; Romer, A. K. ; Sako, M. ; DES Collaboration ; SLAC National Accelerator Lab., Menlo Park, CA (United States) ; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States) ; Brookhaven National Lab. (BNL), Upton, NY (United States) ; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</creatorcontrib><description>We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6×105 luminous red galaxies selected using the redMaGiC algorithm over an area of 1321 square degrees, in the redshift range 0.15<z<0.9, split into five tomographic redshift bins. The sample has a mean redshift uncertainty of σz/(1+z)=0.017. We quantify and correct spurious correlations induced by spatially variable survey properties, testing their impact on the clustering measurements and covariance. We demonstrate the sample’s robustness by testing for stellar contamination, for potential biases that could arise from the systematic correction, and for the consistency between the two-point auto- and cross-correlation functions. We show that the corrections we apply have a significant impact on the resultant measurement of cosmological parameters, but that the results are robust against arbitrary choices in the correction method. We find the linear galaxy bias in each redshift bin in a fiducial cosmology to be b(σ8/0.81)|z=0.24=1.40±0.07, b(σ8/0.81)|z=0.38=1.60±0.05, b(σ8/0.81)|z=0.53=1.60±0.04 for galaxies with luminosities L/L*>0.5, b(σ8/0.81)|z=0.68=1.93±0.04 for L/L*>1 and b(σ8/0.81)|z=0.83=1.98±0.07 for L/L*>1.5, broadly consistent with expectations for the redshift and luminosity dependence of the bias of red galaxies. We show these measurements to be consistent with the linear bias obtained from tangential shear measurements.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.98.042006</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>ASTRONOMY AND ASTROPHYSICS ; Astrophysics ; Bias ; Clustering ; Correlation analysis ; Cosmology ; Covariance ; Dark energy ; Dependence ; Galactic clusters ; Galaxies ; Large scale structure of the universe ; Luminosity ; Physics ; Red shift ; Sky surveys (astronomy) ; Stars & galaxies</subject><ispartof>Phys.Rev.D, 2018-08, Vol.98 (4), Article 042006</ispartof><rights>Copyright American Physical Society Aug 15, 2018</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-9d094ca6789bbfeb010535c429e90aa5d0be94554c6067e78db4a9233f7b9ba73</citedby><cites>FETCH-LOGICAL-c380t-9d094ca6789bbfeb010535c429e90aa5d0be94554c6067e78db4a9233f7b9ba73</cites><orcidid>0000-0001-7039-9078 ; 0000-0002-1510-5214</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,2863,2864,27901,27902</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01868013$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/servlets/purl/1468420$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Elvin-Poole, J.</creatorcontrib><creatorcontrib>Crocce, M.</creatorcontrib><creatorcontrib>Ross, A. 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(BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</creatorcontrib><title>Dark Energy Survey year 1 results: Galaxy clustering for combined probes</title><title>Phys.Rev.D</title><description>We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6×105 luminous red galaxies selected using the redMaGiC algorithm over an area of 1321 square degrees, in the redshift range 0.15<z<0.9, split into five tomographic redshift bins. The sample has a mean redshift uncertainty of σz/(1+z)=0.017. We quantify and correct spurious correlations induced by spatially variable survey properties, testing their impact on the clustering measurements and covariance. We demonstrate the sample’s robustness by testing for stellar contamination, for potential biases that could arise from the systematic correction, and for the consistency between the two-point auto- and cross-correlation functions. We show that the corrections we apply have a significant impact on the resultant measurement of cosmological parameters, but that the results are robust against arbitrary choices in the correction method. We find the linear galaxy bias in each redshift bin in a fiducial cosmology to be b(σ8/0.81)|z=0.24=1.40±0.07, b(σ8/0.81)|z=0.38=1.60±0.05, b(σ8/0.81)|z=0.53=1.60±0.04 for galaxies with luminosities L/L*>0.5, b(σ8/0.81)|z=0.68=1.93±0.04 for L/L*>1 and b(σ8/0.81)|z=0.83=1.98±0.07 for L/L*>1.5, broadly consistent with expectations for the redshift and luminosity dependence of the bias of red galaxies. We show these measurements to be consistent with the linear bias obtained from tangential shear measurements.</description><subject>ASTRONOMY AND ASTROPHYSICS</subject><subject>Astrophysics</subject><subject>Bias</subject><subject>Clustering</subject><subject>Correlation analysis</subject><subject>Cosmology</subject><subject>Covariance</subject><subject>Dark energy</subject><subject>Dependence</subject><subject>Galactic clusters</subject><subject>Galaxies</subject><subject>Large scale structure of the universe</subject><subject>Luminosity</subject><subject>Physics</subject><subject>Red shift</subject><subject>Sky surveys (astronomy)</subject><subject>Stars & galaxies</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kc1OwzAQhCMEEhX0BThZcOLQsnYSO-ZWtaVFqgTi52zZzqZNSZNiJxV5e1IFetrR6tNoZycIbiiMKYXw4XXT-jc8zMYyGUPEAPhZMGCRgBEAk-cnTeEyGHq_hU5ykILSQbCcafdF5iW6dUveG3fAlrSoHaHEoW-K2j-ShS70T0ts0fgaXV6uSVY5YqudyUtMyd5VBv11cJHpwuPwb14Fn0_zj-lytHpZPE8nq5ENE6hHMgUZWc1FIo3J0HRHxWFsIyZRgtZxCgZlFMeR5cAFiiQ1kZYsDDNhpNEivApue9_K17nyNq_RbmxVlmhrRSOedA_ooPse2uhC7V2-065Vlc7VcrJSxx3QhCdAwwPt2Lue7XJ8N-hrta0aV3YZFKOMSyYoO1Ksp6yrvHeYnWwpqGML6r8FJRPVtxD-AsyVebs</recordid><startdate>20180827</startdate><enddate>20180827</enddate><creator>Elvin-Poole, J.</creator><creator>Crocce, M.</creator><creator>Ross, A. 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L.</creator><creator>Carnero Rosell, A.</creator><creator>Carollo, D.</creator><creator>Carrasco Kind, M.</creator><creator>Carretero, J.</creator><creator>Castander, F. J.</creator><creator>Cunha, C. E.</creator><creator>D’Andrea, C. B.</creator><creator>da Costa, L. N.</creator><creator>Davis, T. M.</creator><creator>Davis, C.</creator><creator>Desai, S.</creator><creator>Diehl, H. T.</creator><creator>Dietrich, J. P.</creator><creator>Dodelson, S.</creator><creator>Doel, P.</creator><creator>Eifler, T. F.</creator><creator>Evrard, A. E.</creator><creator>Fernandez, E.</creator><creator>Flaugher, B.</creator><creator>Fosalba, P.</creator><creator>Frieman, J.</creator><creator>García-Bellido, J.</creator><creator>Gaztanaga, E.</creator><creator>Gerdes, D. W.</creator><creator>Glazebrook, K.</creator><creator>Gruen, D.</creator><creator>Gruendl, R. A.</creator><creator>Gschwend, J.</creator><creator>Gutierrez, G.</creator><creator>Hartley, W. G.</creator><creator>Hinton, S. R.</creator><creator>Honscheid, K.</creator><creator>Hoormann, J. K.</creator><creator>Jain, B.</creator><creator>James, D. J.</creator><creator>Jarvis, M.</creator><creator>Jeltema, T.</creator><creator>Johnson, M. W. G.</creator><creator>Johnson, M. D.</creator><creator>King, A.</creator><creator>Kuehn, K.</creator><creator>Kuhlmann, S.</creator><creator>Kuropatkin, N.</creator><creator>Lahav, O.</creator><creator>Lewis, G.</creator><creator>Li, T. S.</creator><creator>Lidman, C.</creator><creator>Lima, M.</creator><creator>Lin, H.</creator><creator>Macaulay, E.</creator><creator>March, M.</creator><creator>Marshall, J. L.</creator><creator>Martini, P.</creator><creator>Melchior, P.</creator><creator>Menanteau, F.</creator><creator>Miquel, R.</creator><creator>Mohr, J. J.</creator><creator>Möller, A.</creator><creator>Nichol, R. C.</creator><creator>Nord, B.</creator><creator>O’Neill, C. R.</creator><creator>Percival, W. J.</creator><creator>Petravick, D.</creator><creator>Plazas, A. A.</creator><creator>Romer, A. K.</creator><creator>Sako, M.</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>1XC</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-7039-9078</orcidid><orcidid>https://orcid.org/0000-0002-1510-5214</orcidid></search><sort><creationdate>20180827</creationdate><title>Dark Energy Survey year 1 results: Galaxy clustering for combined probes</title><author>Elvin-Poole, J. ; Crocce, M. ; Ross, A. J. ; Giannantonio, T. ; Rozo, E. ; Rykoff, E. S. ; Avila, S. ; Banik, N. ; Blazek, J. ; Bridle, S. L. ; Cawthon, R. ; Drlica-Wagner, A. ; Friedrich, O. ; Kokron, N. ; Krause, E. ; MacCrann, N. ; Prat, J. ; Sánchez, C. ; Secco, L. F. ; Sevilla-Noarbe, I. ; Troxel, M. A. ; Abbott, T. M. C. ; Abdalla, F. B. ; Allam, S. ; Annis, J. ; Asorey, J. ; Bechtol, K. ; Becker, M. R. ; Benoit-Lévy, A. ; Bernstein, G. M. ; Bertin, E. ; Brooks, D. ; Buckley-Geer, E. ; Burke, D. L. ; Carnero Rosell, A. ; Carollo, D. ; Carrasco Kind, M. ; Carretero, J. ; Castander, F. J. ; Cunha, C. E. ; D’Andrea, C. B. ; da Costa, L. N. ; Davis, T. M. ; Davis, C. ; Desai, S. ; Diehl, H. T. ; Dietrich, J. P. ; Dodelson, S. ; Doel, P. ; Eifler, T. F. ; Evrard, A. E. ; Fernandez, E. ; Flaugher, B. ; Fosalba, P. ; Frieman, J. ; García-Bellido, J. ; Gaztanaga, E. ; Gerdes, D. W. ; Glazebrook, K. ; Gruen, D. ; Gruendl, R. A. ; Gschwend, J. ; Gutierrez, G. ; Hartley, W. G. ; Hinton, S. R. ; Honscheid, K. ; Hoormann, J. K. ; Jain, B. ; James, D. J. ; Jarvis, M. ; Jeltema, T. ; Johnson, M. W. G. ; Johnson, M. D. ; King, A. ; Kuehn, K. ; Kuhlmann, S. ; Kuropatkin, N. ; Lahav, O. ; Lewis, G. ; Li, T. S. ; Lidman, C. ; Lima, M. ; Lin, H. ; Macaulay, E. ; March, M. ; Marshall, J. L. ; Martini, P. ; Melchior, P. ; Menanteau, F. ; Miquel, R. ; Mohr, J. J. ; Möller, A. ; Nichol, R. C. ; Nord, B. ; O’Neill, C. R. ; Percival, W. J. ; Petravick, D. ; Plazas, A. A. ; Romer, A. K. ; Sako, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-9d094ca6789bbfeb010535c429e90aa5d0be94554c6067e78db4a9233f7b9ba73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ASTRONOMY AND ASTROPHYSICS</topic><topic>Astrophysics</topic><topic>Bias</topic><topic>Clustering</topic><topic>Correlation analysis</topic><topic>Cosmology</topic><topic>Covariance</topic><topic>Dark energy</topic><topic>Dependence</topic><topic>Galactic clusters</topic><topic>Galaxies</topic><topic>Large scale structure of the universe</topic><topic>Luminosity</topic><topic>Physics</topic><topic>Red shift</topic><topic>Sky surveys (astronomy)</topic><topic>Stars & galaxies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Elvin-Poole, J.</creatorcontrib><creatorcontrib>Crocce, M.</creatorcontrib><creatorcontrib>Ross, A. J.</creatorcontrib><creatorcontrib>Giannantonio, T.</creatorcontrib><creatorcontrib>Rozo, E.</creatorcontrib><creatorcontrib>Rykoff, E. S.</creatorcontrib><creatorcontrib>Avila, S.</creatorcontrib><creatorcontrib>Banik, N.</creatorcontrib><creatorcontrib>Blazek, J.</creatorcontrib><creatorcontrib>Bridle, S. L.</creatorcontrib><creatorcontrib>Cawthon, R.</creatorcontrib><creatorcontrib>Drlica-Wagner, A.</creatorcontrib><creatorcontrib>Friedrich, O.</creatorcontrib><creatorcontrib>Kokron, N.</creatorcontrib><creatorcontrib>Krause, E.</creatorcontrib><creatorcontrib>MacCrann, N.</creatorcontrib><creatorcontrib>Prat, J.</creatorcontrib><creatorcontrib>Sánchez, C.</creatorcontrib><creatorcontrib>Secco, L. F.</creatorcontrib><creatorcontrib>Sevilla-Noarbe, I.</creatorcontrib><creatorcontrib>Troxel, M. A.</creatorcontrib><creatorcontrib>Abbott, T. M. C.</creatorcontrib><creatorcontrib>Abdalla, F. B.</creatorcontrib><creatorcontrib>Allam, S.</creatorcontrib><creatorcontrib>Annis, J.</creatorcontrib><creatorcontrib>Asorey, J.</creatorcontrib><creatorcontrib>Bechtol, K.</creatorcontrib><creatorcontrib>Becker, M. R.</creatorcontrib><creatorcontrib>Benoit-Lévy, A.</creatorcontrib><creatorcontrib>Bernstein, G. M.</creatorcontrib><creatorcontrib>Bertin, E.</creatorcontrib><creatorcontrib>Brooks, D.</creatorcontrib><creatorcontrib>Buckley-Geer, E.</creatorcontrib><creatorcontrib>Burke, D. L.</creatorcontrib><creatorcontrib>Carnero Rosell, A.</creatorcontrib><creatorcontrib>Carollo, D.</creatorcontrib><creatorcontrib>Carrasco Kind, M.</creatorcontrib><creatorcontrib>Carretero, J.</creatorcontrib><creatorcontrib>Castander, F. J.</creatorcontrib><creatorcontrib>Cunha, C. E.</creatorcontrib><creatorcontrib>D’Andrea, C. B.</creatorcontrib><creatorcontrib>da Costa, L. N.</creatorcontrib><creatorcontrib>Davis, T. M.</creatorcontrib><creatorcontrib>Davis, C.</creatorcontrib><creatorcontrib>Desai, S.</creatorcontrib><creatorcontrib>Diehl, H. T.</creatorcontrib><creatorcontrib>Dietrich, J. P.</creatorcontrib><creatorcontrib>Dodelson, S.</creatorcontrib><creatorcontrib>Doel, P.</creatorcontrib><creatorcontrib>Eifler, T. F.</creatorcontrib><creatorcontrib>Evrard, A. E.</creatorcontrib><creatorcontrib>Fernandez, E.</creatorcontrib><creatorcontrib>Flaugher, B.</creatorcontrib><creatorcontrib>Fosalba, P.</creatorcontrib><creatorcontrib>Frieman, J.</creatorcontrib><creatorcontrib>García-Bellido, J.</creatorcontrib><creatorcontrib>Gaztanaga, E.</creatorcontrib><creatorcontrib>Gerdes, D. W.</creatorcontrib><creatorcontrib>Glazebrook, K.</creatorcontrib><creatorcontrib>Gruen, D.</creatorcontrib><creatorcontrib>Gruendl, R. A.</creatorcontrib><creatorcontrib>Gschwend, J.</creatorcontrib><creatorcontrib>Gutierrez, G.</creatorcontrib><creatorcontrib>Hartley, W. G.</creatorcontrib><creatorcontrib>Hinton, S. R.</creatorcontrib><creatorcontrib>Honscheid, K.</creatorcontrib><creatorcontrib>Hoormann, J. K.</creatorcontrib><creatorcontrib>Jain, B.</creatorcontrib><creatorcontrib>James, D. J.</creatorcontrib><creatorcontrib>Jarvis, M.</creatorcontrib><creatorcontrib>Jeltema, T.</creatorcontrib><creatorcontrib>Johnson, M. W. G.</creatorcontrib><creatorcontrib>Johnson, M. D.</creatorcontrib><creatorcontrib>King, A.</creatorcontrib><creatorcontrib>Kuehn, K.</creatorcontrib><creatorcontrib>Kuhlmann, S.</creatorcontrib><creatorcontrib>Kuropatkin, N.</creatorcontrib><creatorcontrib>Lahav, O.</creatorcontrib><creatorcontrib>Lewis, G.</creatorcontrib><creatorcontrib>Li, T. S.</creatorcontrib><creatorcontrib>Lidman, C.</creatorcontrib><creatorcontrib>Lima, M.</creatorcontrib><creatorcontrib>Lin, H.</creatorcontrib><creatorcontrib>Macaulay, E.</creatorcontrib><creatorcontrib>March, M.</creatorcontrib><creatorcontrib>Marshall, J. L.</creatorcontrib><creatorcontrib>Martini, P.</creatorcontrib><creatorcontrib>Melchior, P.</creatorcontrib><creatorcontrib>Menanteau, F.</creatorcontrib><creatorcontrib>Miquel, R.</creatorcontrib><creatorcontrib>Mohr, J. J.</creatorcontrib><creatorcontrib>Möller, A.</creatorcontrib><creatorcontrib>Nichol, R. C.</creatorcontrib><creatorcontrib>Nord, B.</creatorcontrib><creatorcontrib>O’Neill, C. R.</creatorcontrib><creatorcontrib>Percival, W. J.</creatorcontrib><creatorcontrib>Petravick, D.</creatorcontrib><creatorcontrib>Plazas, A. A.</creatorcontrib><creatorcontrib>Romer, A. K.</creatorcontrib><creatorcontrib>Sako, M.</creatorcontrib><creatorcontrib>DES Collaboration</creatorcontrib><creatorcontrib>SLAC National Accelerator Lab., Menlo Park, CA (United States)</creatorcontrib><creatorcontrib>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</creatorcontrib><creatorcontrib>Brookhaven National Lab. (BNL), Upton, NY (United States)</creatorcontrib><creatorcontrib>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Phys.Rev.D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Elvin-Poole, J.</au><au>Crocce, M.</au><au>Ross, A. J.</au><au>Giannantonio, T.</au><au>Rozo, E.</au><au>Rykoff, E. S.</au><au>Avila, S.</au><au>Banik, N.</au><au>Blazek, J.</au><au>Bridle, S. L.</au><au>Cawthon, R.</au><au>Drlica-Wagner, A.</au><au>Friedrich, O.</au><au>Kokron, N.</au><au>Krause, E.</au><au>MacCrann, N.</au><au>Prat, J.</au><au>Sánchez, C.</au><au>Secco, L. F.</au><au>Sevilla-Noarbe, I.</au><au>Troxel, M. A.</au><au>Abbott, T. M. C.</au><au>Abdalla, F. B.</au><au>Allam, S.</au><au>Annis, J.</au><au>Asorey, J.</au><au>Bechtol, K.</au><au>Becker, M. R.</au><au>Benoit-Lévy, A.</au><au>Bernstein, G. M.</au><au>Bertin, E.</au><au>Brooks, D.</au><au>Buckley-Geer, E.</au><au>Burke, D. L.</au><au>Carnero Rosell, A.</au><au>Carollo, D.</au><au>Carrasco Kind, M.</au><au>Carretero, J.</au><au>Castander, F. J.</au><au>Cunha, C. E.</au><au>D’Andrea, C. B.</au><au>da Costa, L. N.</au><au>Davis, T. M.</au><au>Davis, C.</au><au>Desai, S.</au><au>Diehl, H. T.</au><au>Dietrich, J. P.</au><au>Dodelson, S.</au><au>Doel, P.</au><au>Eifler, T. F.</au><au>Evrard, A. E.</au><au>Fernandez, E.</au><au>Flaugher, B.</au><au>Fosalba, P.</au><au>Frieman, J.</au><au>García-Bellido, J.</au><au>Gaztanaga, E.</au><au>Gerdes, D. W.</au><au>Glazebrook, K.</au><au>Gruen, D.</au><au>Gruendl, R. A.</au><au>Gschwend, J.</au><au>Gutierrez, G.</au><au>Hartley, W. G.</au><au>Hinton, S. R.</au><au>Honscheid, K.</au><au>Hoormann, J. K.</au><au>Jain, B.</au><au>James, D. J.</au><au>Jarvis, M.</au><au>Jeltema, T.</au><au>Johnson, M. W. G.</au><au>Johnson, M. D.</au><au>King, A.</au><au>Kuehn, K.</au><au>Kuhlmann, S.</au><au>Kuropatkin, N.</au><au>Lahav, O.</au><au>Lewis, G.</au><au>Li, T. S.</au><au>Lidman, C.</au><au>Lima, M.</au><au>Lin, H.</au><au>Macaulay, E.</au><au>March, M.</au><au>Marshall, J. L.</au><au>Martini, P.</au><au>Melchior, P.</au><au>Menanteau, F.</au><au>Miquel, R.</au><au>Mohr, J. J.</au><au>Möller, A.</au><au>Nichol, R. C.</au><au>Nord, B.</au><au>O’Neill, C. R.</au><au>Percival, W. J.</au><au>Petravick, D.</au><au>Plazas, A. A.</au><au>Romer, A. K.</au><au>Sako, M.</au><aucorp>DES Collaboration</aucorp><aucorp>SLAC National Accelerator Lab., Menlo Park, CA (United States)</aucorp><aucorp>Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)</aucorp><aucorp>Brookhaven National Lab. (BNL), Upton, NY (United States)</aucorp><aucorp>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dark Energy Survey year 1 results: Galaxy clustering for combined probes</atitle><jtitle>Phys.Rev.D</jtitle><date>2018-08-27</date><risdate>2018</risdate><volume>98</volume><issue>4</issue><artnum>042006</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>We measure the clustering of DES year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations. Two-point correlation functions are measured for a sample of 6.6×105 luminous red galaxies selected using the redMaGiC algorithm over an area of 1321 square degrees, in the redshift range 0.15<z<0.9, split into five tomographic redshift bins. The sample has a mean redshift uncertainty of σz/(1+z)=0.017. We quantify and correct spurious correlations induced by spatially variable survey properties, testing their impact on the clustering measurements and covariance. We demonstrate the sample’s robustness by testing for stellar contamination, for potential biases that could arise from the systematic correction, and for the consistency between the two-point auto- and cross-correlation functions. We show that the corrections we apply have a significant impact on the resultant measurement of cosmological parameters, but that the results are robust against arbitrary choices in the correction method. We find the linear galaxy bias in each redshift bin in a fiducial cosmology to be b(σ8/0.81)|z=0.24=1.40±0.07, b(σ8/0.81)|z=0.38=1.60±0.05, b(σ8/0.81)|z=0.53=1.60±0.04 for galaxies with luminosities L/L*>0.5, b(σ8/0.81)|z=0.68=1.93±0.04 for L/L*>1 and b(σ8/0.81)|z=0.83=1.98±0.07 for L/L*>1.5, broadly consistent with expectations for the redshift and luminosity dependence of the bias of red galaxies. We show these measurements to be consistent with the linear bias obtained from tangential shear measurements.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.98.042006</doi><orcidid>https://orcid.org/0000-0001-7039-9078</orcidid><orcidid>https://orcid.org/0000-0002-1510-5214</orcidid><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | ISSN: 2470-0010 |
ispartof | Phys.Rev.D, 2018-08, Vol.98 (4), Article 042006 |
issn | 2470-0010 2470-0029 |
language | eng |
recordid | cdi_osti_scitechconnect_1468420 |
source | American Physical Society Journals |
subjects | ASTRONOMY AND ASTROPHYSICS Astrophysics Bias Clustering Correlation analysis Cosmology Covariance Dark energy Dependence Galactic clusters Galaxies Large scale structure of the universe Luminosity Physics Red shift Sky surveys (astronomy) Stars & galaxies |
title | Dark Energy Survey year 1 results: Galaxy clustering for combined probes |
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