Dark Energy Survey year 3 results: Constraints on cosmological parameters and galaxy-bias models from galaxy clustering and galaxy-galaxy lensing using the redMaGiC sample

被引：37

作者：

Pandey, S. ^{[1
]}

Krause, E. ^{[2
]}

DeRose, J. ^{[3
]}

MacCrann, N. ^{[4
]}

Jain, B. ^{[1
]}

Crocce, M. ^{[5
,6
]}

Blazek, J. ^{[7
,8
]}

Choi, A. ^{[9
]}

Huang, H. ^{[10
]}

To, C. ^{[11
,12
,13
]}

Fang, X. ^{[2
]}

Elvin-Poole, J. ^{[9
,14
]}

Prat, J. ^{[15
,16
]}

Porredon, A. ^{[9
,14
]}

Secco, L. F. ^{[1
,16
]}

Rodriguez-Monroy, M. ^{[17
]}

Weaverdyck, N. ^{[18
]}

Park, Y. ^{[19
]}

Raveri, M. ^{[1
]}

Rozo, E. ^{[10
]}

Rykoff, E. S. ^{[12
,13
]}

Bernstein, G. M. ^{[1
]}

Sanchez, C. ^{[1
]}

Jarvis, M. ^{[1
]}

Troxel, M. A. ^{[20
]}

Zacharegkas, G. ^{[16
]}

Chang, C. ^{[15
,16
]}

Alarcon, A. ^{[21
]}

Alves, O. ^{[18
,22
,23
]}

Amon, A. ^{[12
]}

Andrade-Oliveira, F. ^{[22
,23
]}

Baxter, E. ^{[24
]}

Bechtol, K. ^{[25
]}

Becker, M. R. ^{[21
]}

Camacho, H. ^{[22
,23
]}

Campos, A. ^{[26
]}

Carnero Rosell, A. ^{[23
,27
,28
]}

Carrasco Kind, M. ^{[29
,30
]}

Cawthon, R. ^{[25
]}

Chen, R. ^{[20
]}

Chintalapati, P. ^{[31
]}

Davis, C. ^{[12
]}

Di Valentino, E. ^{[32
]}

Diehl, H. T. ^{[31
]}

Dodelson, S. ^{[26
,33
]}

Doux, C. ^{[1
]}

Drlica-Wagner, A. ^{[15
,16
,31
]}

Eckert, K. ^{[1
]}

Eifler, T. F. ^{[2
,34
]}

Elsner, F. ^{[35
]}

机构：

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

[2] Univ Arizona, Dept Astron, Steward Observ, 933 North Cherry Ave, Tucson, AZ 85721 USA

[3] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[4] Univ Cambridge, Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England

[5] Inst Estudis Espacials Catalunya IEEC, Barcelona 08034, Spain

[6] CSIC, Inst Space Sci ICE, Campus UAB,Carrer Can Magrans S-N, Barcelona 08193, Spain

[7] Northeastern Univ, Dept Phys, Boston, MA 02115 USA

[8] Ecole Polytech Fed Lausanne EPFL, Lab Astrophys, Observ Sauverny, CH-1290 Versoix, Switzerland

[9] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[10] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

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

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

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

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

[15] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA

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

[17] Ctr Invest Energet Medioambientales & Tecnol CIEM, Madrid, Spain

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

[19] Univ Tokyo, Kavli Inst Phys & Math Universe WPI, UTIAS, Kashiwa, Chiba 2778583, Japan

[20] Duke Univ, Dept Phys, Durham, NC 27708 USA

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

[22] Univ Estadual Paulista, Inst Fis Teor, Sao Paulo, Brazil

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

[24] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA

[25] Univ Wisconsin, Phys Dept, 2320 Chamberlin Hall,1150 Univ Ave, Madison, WI 53706 USA

[26] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15312 USA

[27] Inst Astrofis Canarias, E-38205 Tenerife, Spain

[28] Univ La Laguna, Dept Astrofis, E-38206 Tenerife, Spain

[29] Ctr Astrophys Surveys, Natl Ctr Supercomp Applicat, 1205 West Clark St, Urbana, IL 61801 USA

[30] Univ Illinois, Dept Astron, 1002 West Green St, Urbana, IL 61801 USA

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

[32] Univ Manchester, Jodrell Bank Ctr Astrophys, Sch Phys & Astron, Oxford Rd, Manchester M13 9PL, Lancs, England

[33] Carnegie Mellon Univ, NSF AI Planning Inst Phys Future, Pittsburgh, PA 15213 USA

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

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

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

[37] Univ Texas Austin, Dept Stat, Austin, TX 78757 USA

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

[39] Barcelona Inst Sci & Technol, Inst Fis Altes Energies IFAE, Campus UAB, Bellaterra 08193, Barcelona, Spain

[40] Univ Oxford, Dept Phys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[41] Univ Geneva, Dept Astron, Ch Ecogia 16, CH-1290 Versoix, Switzerland

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

[43] Univ Estadual Paulista, ICTP South Amer Inst Fundamental Res, Inst Fis Teor, Sao Paulo, Brazil

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

[45] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garching, Germany

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

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

[48] NSFs Natl Opt Infrared Astron Res Lab, Cerro Tololo Interamer Observ, Casilla 603, La Serena, Chile

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

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

来源：

PHYSICAL REVIEW D | 2022年 / 106卷 / 04期

基金：

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; 澳大利亚研究理事会;

关键词：

CHALLENGE LIGHTCONE SIMULATION; REDSHIFT DISTRIBUTIONS; SCALE DEPENDENCE; HALO-MASS; CALIBRATION; EFFICIENT; MARGINALIZATION; COMBINATION; EVOLUTION; IMPACT;

D O I：

10.1103/PhysRevD.106.043520

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We constrain cosmological parameters and galaxy-bias parameters using the combination of galaxy clustering and galaxy-galaxy lensing measurements from the Dark Energy Survey (DES) year-3 data. We describe our modeling framework and choice of scales analyzed, validating their robustness to theoretical uncertainties in small-scale clustering by analyzing simulated data. Using a linear galaxy-bias model and redMaGiC galaxy sample, we obtain 10% constraints on the matter density of the Universe. We also implement a nonlinear galaxy-bias model to probe smaller scales that includes parametrization based on hybrid perturbation theory and find that it leads to a 17% gain in cosmological constraining power. We perform robustness tests of our methodology pipeline and demonstrate stability of the constraints to changes in the theory model. Using the redMaGiC galaxy sample as foreground lens galaxies and adopting the best-fitting cosmological parameters from DES year-1 data, we find the galaxy clustering and galaxygalaxy lensing measurements to exhibit significant signals akin to decorrelation between galaxies and mass on large scales, which is not expected in any current models. This likely systematic measurement error biases our constraints on galaxy bias and the S-8 parameter. We find that a scale-, redshift- and sky-areaindependent phenomenological decorrelation parameter can effectively capture this inconsistency between the galaxy clustering and galaxy-galaxy lensing. We trace the source of this correlation to a colordependent photometric issue and minimize its impact on our result by changing the selection criteria of redMaGiC galaxies. Using this new sample, our constraints on the S-8 parameter are consistent with previous studies and we find a small shift in the Omega(m). constraints compared to the fiducial redMaGiC sample. We infer the constraints on the mean host-halo mass of the redMaGiC galaxies in this new sample from the large-scale bias constraints, finding the galaxies occupy halos of mass approximately 1.6 x 10(13) M-circle dot/h.

引用

页数：34

共 50 条

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