Dark Energy Survey Year 1 Results: Calibration of redMaGiC redshift distributions in DES and SDSS from cross-correlations

被引：0

作者：

Cawthon R. ^{[1
,2
]}

Davis C. ^{[3
]}

Gatti M. ^{[4
]}

Vielzeuf P. ^{[4
]}

Elvin-Poole J. ^{[5
]}

Rozo E. ^{[6
]}

Frieman J. ^{[1
,2
,7
]}

Rykoff E.S. ^{[3
,8
]}

Alarcon A. ^{[9
]}

Bernstein G.M. ^{[10
]}

Bonnett C. ^{[4
]}

Carnero Rosell A. ^{[11
,12
]}

Castander F.J. ^{[9
]}

Chang C. ^{[1
]}

da Costa L.N. ^{[11
,12
]}

De Vicente J. ^{[13
]}

De Rose J. ^{[3
,14
]}

Drlica-Wagner A. ^{[7
]}

Gaztanaga E. ^{[9
]}

Giannantonio T. ^{[15
,16
,17
]}

Gruen D. ^{[3
,8
]}

Gschwend J. ^{[11
,12
]}

Hartley W.G. ^{[18
,19
]}

Hoyle B. ^{[17
,20
]}

Lin H. ^{[7
]}

Maia M.A.G. ^{[11
,12
]}

Miquel R. ^{[4
,21
]}

Ogando R.L.C. ^{[11
,12
]}

Rau M.M. ^{[17
]}

Roodman A. ^{[3
,8
]}

Ross A.J. ^{[22
]}

Sevilla-Noarbe I. ^{[13
]}

Troxel M.A. ^{[22
,23
]}

Wechsler R.H. ^{[3
,8
,14
]}

Abbott T.M.C. ^{[24
]}

Abdalla F.B. ^{[18
,25
]}

Allam S. ^{[7
]}

Annis J. ^{[7
]}

Avila S. ^{[26
,27
]}

Banerji M. ^{[15
,16
]}

Bechtol K. ^{[28
]}

Bernstein R.A. ^{[29
]}

Bertin E. ^{[30
,31
]}

Brooks D. ^{[18
]}

Burke D.L. ^{[3
,8
]}

Carrasco Kind M. ^{[32
,33
]}

Carretero J. ^{[4
]}

Cunha C.E. ^{[3
]}

D'Andrea C.B. ^{[10
]}

DePoy D.L. ^{[34
]}

机构：

[1] Kavli Institute for Cosmological Physics, University of Chicago, Chicago, 60637, IL

[2] Department of Astronomy and Astrophysics, University of Chicago, Chicago, 60637, IL

[3] Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, P. O. Box 2450, Stanford, 94305, CA

[4] Institut de Física d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona)

[5] Jodrell Bank Center for Astrophysics, School of Physics and Astronomy, University of Manchester, Oxford Road, Manchester

[6] Department of Physics, University of Arizona, Tucson, 85721, AZ

[7] Fermi National Accelerator Laboratory, P. O. Box 500, Batavia, 60510, IL

[8] SLAC National Accelerator Laboratory, Menlo Park, 94025, CA

[9] Institute of Space Sciences, IEEC-CSIC, Campus UAB, Carrer de Can Magrans, s/n, Barcelona

[10] Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, 19104, PA

[11] Laboratório Interinstitucional de e-Astronomia - LIneA, Rua Gal. Jose Cristino 77, Rio de Janeiro, RJ

[12] Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ

[13] Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Madrid

[14] Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, 94305, CA

[15] Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge

[16] Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge

[17] Fakultät für Physik, Universitäts-Sternwarte, Ludwig-Maximilians Universität München, Scheinerstr. 1, München

[18] Department of Physics and Astronomy, University College London, Gower Street, London

[19] Department of Physics, ETH Zurich, Wolfgang-Pauli-Strasse 16, Zurich

[20] Max Planck Institute for Extraterrestrial Physics, Giessenbachstrasse, Garching

[21] Institució Catalana de Recerca i Estudis Avançats, Barcelona

[22] Center for Cosmology and Astro-Particle Physics, The Ohio State University, Columbus, 43210, OH

[23] Department of Physics, The Ohio State University, Columbus, 43210, OH

[24] Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, Casilla 603, La Serena

[25] Department of Physics and Electronics, Rhodes University, PO Box 94, 6140, Grahamstown

[26] Institute of Cosmology and Gravitation, University of Portsmouth, Portsmouth

[27] Instituto de Fisica TeoricaUAM/CSIC, Universidad Autonoma deMadrid, Madrid

[28] LSST, 933 North Cherry Avenue, Tucson, 85721, AZ

[29] Observatories of the Carnegie Institution of Washington, 813 Santa Barbara St., Pasadena, 91101, CA

[30] CNRS, UMR 7095, Institut d'Astrophysique de Paris, Paris

[31] Institut d'Astrophysique de Paris, Sorbonne Universités, UPMC Univ Paris 06, UMR 7095, Paris

[32] Department of Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, 61801, IL

[33] National Center for Supercomputing Applications, 1205 West Clark St., Urbana, 61801, IL

[34] George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, Department of Physics and Astronomy, Texas A and M University, College Station, 77843, TX

[35] Department of Physics, IIT Hyderabad, Kandi, Telangana

[36] Department of Astronomy/Steward Observatory, 933 North Cherry Avenue, Tucson, 85721-0065, AZ

[37] Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, 91109, CA

[38] Department of Astronomy, University of Michigan, Ann Arbor, 48109, MI

[39] Department of Physics, University of Michigan, Ann Arbor, 48109, MI

[40] Institute of Space Sciences (ICE, CSIC), Institut d'Estudis Espacials de Catalunya (IEEC), Campus UAB, Carrer de Can Magrans, s/n, Barcelona

[41] Santa Cruz Institute for Particle Physics, Santa Cruz, 95064, CA

[42] Astronomy Department, University of Washington, Box 351580, Seattle, 98195, WA

[43] Australian Astronomical Observatory, North Ryde, 2113, NSW

[44] Argonne National Laboratory, 9700 South Cass Avenue, Lemont, 60439, IL

[45] Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo, CP 66318, São Paulo, SP

[46] Department of Astronomy, The Ohio State University, Columbus, 43210, OH

[47] Brookhaven National Laboratory, Bldg 510, Upton, 11973, NY

[48] School of Physics and Astronomy, University of Southampton, Southampton

[49] Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, Campinas, SP

[50] Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, 37831, TN

来源：

Cawthon, R. (rcawthon@oddjob.uchicago.edu) | 2018年 / Oxford University Press卷 / 481期

基金：

澳大利亚研究理事会; 美国国家科学基金会; 英国科学技术设施理事会; 欧洲研究理事会;

关键词：

Galaxies: distances and redshifts; Large-scale structure of Universe; Surveys;

D O I：

10.1093/MNRAS/STY2424

中图分类号：

学科分类号：

摘要：

We present calibrations of the redshift distributions of redMaGiC galaxies in the Dark Energy Survey Year 1 (DES Y1) and Sloan Digital Sky Survey (SDSS) DR8 data. These results determine the priors of the redshift distribution of redMaGiC galaxies, which were used for galaxy clustering measurements and as lenses for galaxy-galaxy lensing measurements in DES Y1 cosmological analyses.We empirically determine the bias in redMaGiC photometric redshift estimates using angular cross-correlations with Baryon Oscillation Spectroscopic Survey (BOSS) galaxies. For DES, we calibrate a single-parameter redshift bias in three photometric redshift bins: z ∈ [0.15, 0.3], [0.3,0.45], and [0.45,0.6]. Our best-fit results in each bin give photometric redshift biases of |Δz| < 0.01. To further test the redMaGiC algorithm, we apply our calibration procedure to SDSS redMaGiC galaxies, where the statistical precision of the cross-correlation measurement is much higher due to a greater overlap with BOSS galaxies. For SDSS, we also find best-fit results of |Δz| < 0.01. We compare our results to other analyses of redMaGiC photometric redshifts. © 2018 The Author(s).

引用

页码：2427 / 2443

页数：16

共 50 条

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Eckert, K.
Fang, X.
Farahi, A.
Fosalba, P.
Friedrich, O.
Gruen, D.
Gruendl, R. A.
Gschwend, J.
Harrison, I
Hartley, W. G.
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Buckley-Geer, E.
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Camacho, H.
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Kind, M. Carrasco
Carretero, J.
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Cawthon, R.
Chan, K. C.
Crocce, M.
Cunha, C. E.
D'Andrea, C. B.
da Costa, L. N.
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Evrard, A. E.
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Fosalba, P.
Frieman, J.
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Krause, E.
Rozo, E.
Wu, H.
Gruen, D.
Wechsler, R. H.
Eifler, T. F.
Rykoff, E. S.
Costanzi, M.
Becker, M. R.
Bernstein, G. M.
Blazek, J.
Bocquet, S.
Bridle, S. L.
Cawthon, R.
Choi, A.
Crocce, M.
Davis, C.
DeRose, J.
Drlica-Wagner, A.
Elvin-Poole, J.
Fang, X.
Farahi, A.
Friedrich, O.
Gatti, M.
Gaztanaga, E.
Giannantonio, T.
Hartley, W. G.
Hoyle, B.
Jarvis, M.
MacCrann, N.
McClintock, T.
Miranda, V
Pereira, M. E. S.
Park, Y.
Porredon, A.
Prat, J.
Rau, M. M.
Ross, A. J.
Samuroff, S.
Sanchez, C.
Sevilla-Noarbe, I
Sheldon, E.
Troxel, M. A.
Varga, T. N.
Vielzeuf, P.
Zhang, Y.
Zuntz, J.
Abbott, T. M. C.
Aguena, M.
PHYSICAL REVIEW LETTERS, 2021, 126 (14)

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