Dark Energy Survey Year 1 Results: The Photometric Data Set for Cosmology

被引：215

作者：

Drlica-Wagner, A. ^{[1
]}

Sevilla-Noarbe, I. ^{[2
]}

Rykoff', E. S. ^{[3
,4
]}

Gruendl, R. A. ^{[5
,6
]}

Yanny, B. ^{[1
]}

Tucker, D. L. ^{[1
]}

Hoyle, B. ^{[7
]}

Rosell, A. Carnero ^{[8
,9
]}

Bernstein, G. M. ^{[10
]}

Bechtol, K. ^{[11
]}

Becker, M. R. ^{[3
,12
]}

Benoit-Levy, A. ^{[13
,14
,15
]}

Bertin, E. ^{[13
,15
]}

Kind, M. Carrasco ^{[5
,6
]}

Davis, C. ^{[3
]}

de Vicente, J. ^{[2
]}

Diehl, H. T. ^{[1
]}

Gruen, D. ^{[3
,4
]}

Hartley, W. G. ^{[14
,16
]}

Leistedt, B. ^{[17
]}

Li, T. S. ^{[1
]}

Marshall, J. L. ^{[18
,19
]}

Neilsen, E. ^{[1
]}

Rau, M. M. ^{[7
,20
]}

Sheldon, E. ^{[21
]}

Smith, J. ^{[22
]}

Troxel, M. A. ^{[23
,24
]}

Wyatt, S. ^{[1
,22
]}

Zhang, Y. ^{[1
]}

Abbott, T. M. C. ^{[25
]}

Abdalla, F. B. ^{[14
,26
]}

Allam, S. ^{[1
]}

Banerji, M. ^{[27
,28
]}

Brooks, D. ^{[14
]}

Buckley-Geer, E. ^{[1
]}

Burke, D. L. ^{[3
,4
]}

Capozzi, D. ^{[29
]}

Carretero, J. ^{[30
]}

Cunha, E. ^{[3
]}

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

da Costa, L. N. ^{[8
,9
]}

DePoy, D. L. ^{[18
,19
]}

Desai, S. ^{[31
]}

Dietrich, J. P. ^{[20
,32
]}

Doel, P. ^{[14
]}

Evrard, A. E. ^{[33
,34
]}

Neto, A. Fausti ^{[8
]}

Flaugher, B. ^{[1
]}

Fosalba, P. ^{[35
]}

Frieman, J. ^{[1
,36
]}

机构：

[1] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA

[2] CIEMAT, Madrid, Spain

[3] Stanford Univ, Kavli Inst Particle Astrophys & Cosmol, POB 2450, Stanford, CA 94305 USA

[4] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[5] Univ Illinois, Dept Astron, 1002 W Green St, Urbana, IL 61801 USA

[6] Natl Ctr Supercomp Applicat, 1205 West Clark St, Urbana, IL 61801 USA

[7] Ludwig Maximilians Univ Munchen, Univ Sternwarte, Fak Phys, Scheinerstr 1, D-81679 Munich, Germany

[8] Lab Interinst & Astron LIneA, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil

[9] Observatorio Nacl, Rua Gal Jose Cristino 77, BR-20921400 Rio De Janeiro, RJ, Brazil

[10] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

[11] LSST, 933 North Cherry Ave, Tucson, AZ 85721 USA

[12] Stanford Univ, Dept Phys, 382 Via Pueblo Mall, Stanford, CA 94305 USA

[13] CNRS, Inst Astrophys Paris, UMR 7095, F-75014 Paris, France

[14] UCL, Dept Phys Astron, Gower St, London WC1E 6BT, England

[15] UPMC Univ Paris 06, Sorbonne Univ, Inst Astrophys Paris, UMR 7095, F-75014 Paris, France

[16] Swiss Fed Inst Technol, Dept Phys, Wolfgang Pauli Str 16, CH-8093 Zurich, Switzerland

[17] NYU, CCPP, New York, NY 10003 USA

[18] Texas A&M Univ, George P & Cynthia Woods Mitchell Inst Fundamenta, College Stn, TX 77843 USA

[19] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

[20] Ludwig Maximilians Univ Munchen, Fac Phys, Scheinerstr 1, D-81679 Munich, Germany

[21] Brookhaven Natl Lab, Bldg 510, Upton, NY 11973 USA

[22] Austin Peay State Univ, Dept Phys Astron, POB 4608, Clarksville, TN 37044 USA

[23] Ohio State Univ, Ctr Cosmol & Astro Particle Phys, Columbus, OH 43210 USA

[24] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[25] Natl Opt Astron Observ, Cerro Tololo Inter Amer Observ, Casilla 603, La Serena, Chile

[26] Rhodes Univ, Dept Phys & Elect, POB 94, ZA-6140 Grahamstown, South Africa

[27] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England

[28] Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England

[29] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

[30] Barcelona Inst Sci & Technol, IFAE, Campus UAB, E-08193 Bellaterra, Barcelona, Spain

[31] ITT Hyderabad, Dept Phys, Kandi 502285, Telangana, India

[32] Excellence Cluster Univ, Boltzmannstr 2, D-85748 Garching, Germany

[33] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[34] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[35] IEEC CSIC, Inst Ciencies Espai, Campus UAB,Caner de Can Magrans S-N, E-08193 Barcelona, Spain

[36] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA

[37] Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA

[38] Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA

[39] Australian Astron Observ, N Ryde, NSW 2113, Australia

[40] Argonne Natl Lab, 9700 South Cass Ave, Lemont, IL 60439 USA

[41] Univ Sao Paulo, Inst Fis, Dept Fis Matemat, CP 66318, BR-05314970 Sao Paulo, SP, Brazil

[42] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[43] Princeton Univ, Dept Astrophys Sci, Peyton Hall, Princeton, NJ 08544 USA

[44] Inst Catalana Recerca & Estudis Avancats, E-08010 Barcelona, Spain

[45] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[46] Univ Sussex, Dept Phys & Astron, Pevensey Bldg, Brighton BN1 9QH, E Sussex, England

[47] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[48] Univ Estadual Campinas, Inst Fis Gleb Wataghin, BR-13083859 Campinas, SP, Brazil

[49] Oak Ridge Natl Lab, Comp Sci & Math Div, Oak Ridge, TN 37831 USA

[50] Univ Edinburgh, Inst Astron, Edinburgh EH9 3HJ, Midlothian, Scotland

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2018年 / 235卷 / 02期

基金：

美国国家科学基金会; 英国科学技术设施理事会; 美国国家航空航天局; 美国安德鲁·梅隆基金会;

关键词：

catalogs; cosmology: observations; surveys; techniques: image processing; techniques: photometric; REDSHIFT DISTRIBUTIONS; ANGULAR MASKS; DEEP SURVEY; ALL-SKY; CALIBRATION; GALAXIES; CFHTLENS; CATALOG; QUALITY; SEXTRACTOR;

D O I：

10.3847/1538-4365/aab4f5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We describe the creation, content, and validation of the Dark Energy Survey (DES) internal year-one cosmology data set, Y1A1 GOLD, in support of upcoming cosmological analyses. The Y1A1 GOLD data set is assembled from multiple epochs of DES imaging and consists of calibrated photometric zero-points, object catalogs, and ancillary data products-e.g., maps of survey depth and observing conditions, star galaxy classification, and photometric redshift estimates that are necessary for accurate cosmological analyses. The Y1A1 GOLD wide area object catalog consists of similar to 137 million objects detected in co-added images covering similar to 1800 deg(2) in the DES grizY filters. The 10 sigma limiting magnitude for galaxies is g = 23.4, r = 23.2, i = 22.5, z = 21.8, and Y = 20.1. Photometric calibration of Y1A1 GOLD was performed by combining nightly zero-point solutions with stellar locus regression, and the absolute calibration accuracy is better than 2% over the survey area. DES Y1A1 GOLD is the largest photometric data set at the achieved depth to date, enabling precise measurements of cosmic acceleration at z less than or similar to 1.

引用

页数：35

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