First Cosmology Results using Supernovae Ia from the Dark Energy Survey: Survey Overview, Performance, and Supernova Spectroscopy

被引:37
作者
Smith, M. [1 ,2 ,3 ,4 ]
D'Andrea, C. B. [5 ]
Sullivan, M. [1 ]
Moller, A. [6 ]
Nichol, R. C. [7 ]
Thomas, R. C. [8 ]
Kim, A. G. [8 ]
Sako, M. [8 ]
Castander, F. J. [9 ,10 ]
Filippenko, A. V. [11 ,12 ]
Foley, R. J. [13 ]
Galbany, L. [14 ]
Gonzalez-Gaitan, S. [15 ]
Kasai, E. [16 ,17 ]
Kirshner, R. P. [18 ,19 ]
Lidman, C. [20 ,21 ]
Scolnic, D. [22 ]
Brout, D.
Davis, T. M. [23 ]
Gupta, R. R. [8 ]
Hinton, S. R. [23 ]
Kessler, R. [24 ,25 ]
Lasker, J. [24 ,25 ]
Macaulay, E. [7 ]
Wolf, R. C. [26 ]
Zhang, B. [21 ]
Asorey, J. [27 ]
Avelino, A. [18 ]
Bassett, B. A. [17 ,28 ,29 ]
Calcino, J. [23 ]
Carollo, D. [30 ]
Casas, R. [9 ,10 ]
Challis, P. [18 ]
Childress, M. [1 ]
Clocchiatti, A. [31 ,32 ]
Crawford, S. [17 ,33 ]
Frohmaier, C. [7 ]
Glazebrook, K. [34 ]
Goldstein, D. A. [35 ]
Graham, M. L. [36 ]
Hoormann, J. K. [23 ]
Kuehn, K. [37 ,38 ]
Lewis, G. F. [39 ]
Mandel, K. S. [40 ,41 ]
Morganson, E. [42 ]
Muthukrishna, D. [21 ,43 ]
Nugent, P. [8 ]
Pan, Y. -C. [44 ]
Pursiainen, M. [1 ]
Sharp, R. [21 ]
机构
[1] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England
[2] Univ Lyon, F-69622 Lyon, France
[3] Univ Lyon 1, Villeurbanne, France
[4] CNRS, Inst Phys Deux Infinis, IN2P3, Lyon, France
[5] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA
[6] Univ Clermont Auvergne, CNRS, IN2P3, LPC, Clermont Ferrand, France
[7] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England
[8] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA
[9] Inst Estudis Espacials Catalunya IEEC, E-08034 Barcelona, Spain
[10] CSIC, Inst Space Sci ICE, Campus UAB,Carrer Can Magrans S-N, Barcelona 08193, Spain
[11] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA
[12] Univ Calif Berkeley, Miller Inst Basic Res Sci, Berkeley, CA 94720 USA
[13] Santa Cruz Inst Particle Phys, Santa Cruz, CA 95064 USA
[14] Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain
[15] Univ Lisbon, Inst Super Tecn, CENTRA, Av Rovisco Pais 1, P-1049001 Lisbon, Portugal
[16] Univ Namibia, Dept Phys, 340 Mandume Ndemufayo Ave, Pionierspark, Windhoek, Namibia
[17] South African Astron Observ, POB 9, ZA-7935 Observatory, South Africa
[18] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
[19] Gordon & Betty Moore Fdn, 1661 Page Mill Rd, Palo Alto, CA 94304 USA
[20] Australian Natl Univ, Coll Sci, Ctr Gravitat Astrophys, Canberra, ACT 2601, Australia
[21] Australian Natl Univ, Res Sch Astron & Astrophys, Canberra, ACT 2601, Australia
[22] Duke Univ, Dept Phys, Durham, NC 27708 USA
[23] Univ Queensland, Sch Math & Phys, Brisbane, Qld 4072, Australia
[24] Univ Chicago, Dept Astron & Astrophys, Chicago, IL 60637 USA
[25] Univ Chicago, Kavli Inst Cosmol Phys, Chicago, IL 60637 USA
[26] Stanford Univ, Grad Sch Educ, 160,450 Serra Mall, Stanford, CA 94305 USA
[27] Ctr Invest Energet Medioambient & Tecnol CIEMAT, Madrid, Spain
[28] African Inst Math Sci, 6 Melrose Rd, ZA-7945 Muizenberg, South Africa
[29] Univ Cape Town, Dept Maths & Appl Maths, ZA-7700 Rondebosch, South Africa
[30] INAF, Astrophys Observ Turin, I-10025 Pino Torinese, Italy
[31] Pontificia Univ Catolica Chile, Inst Astrofis, Santiago, Chile
[32] ANID, Millennium Sci Initiat, Santiago, Chile
[33] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA
[34] Swinburne Univ Technol, Ctr Astrophys & Supercomp, Hawthorn, Vic 3122, Australia
[35] CALTECH, 1200 East Calif Blvd,MC 249-17, Pasadena, CA 91125 USA
[36] Univ Washington, Dept Astron, Box 351580, Seattle, WA 98195 USA
[37] Macquarie Univ, Australian Astron Opt, N Ryde, NSW 2113, Australia
[38] Lowell Observ, 1400 Mars Hill Rd, Flagstaff, AZ 86001 USA
[39] Univ Sydney, Sydney Inst Astron, Sch Phys, A28, Sydney, NSW 2006, Australia
[40] Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
[41] Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 0HA, England
[42] Natl Ctr Supercomp Applicat, 1205 West Clark St, Urbana, IL 61801 USA
[43] Univ Cambridge, Inst Astron, Madingley Rd, Cambridge CB3 0HA, England
[44] Natl Cent Univ, Grad Inst Astron, 300 Jhongda Rd, Taoyuan 32001, Taiwan
[45] Univ Texas Austin, Dept Astron, 2515 Speedway,Stop C1400, Austin, TX 78712 USA
[46] Univ Texas Austin, McDonald Observ, Ft Davis, TX 79734 USA
[47] Cerro Tololo Interamer Observ, NSFs Natl Opt Infrared Astron Res Lab, Casilla 603, La Serena, Chile
[48] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
[49] Univ Autonoma Madrid, Inst Fis Teor UAM CSIC, Madrid 28049, Spain
[50] Univ Wisconsin, Dept Phys, 2320 Chamberlin Hall,1150 Univ Ave, Madison, WI 53706 USA
基金
英国科学技术设施理事会; 欧盟地平线“2020”; 美国国家科学基金会; 欧洲研究理事会; 欧盟第七框架计划;
关键词
Type Ia supernovae; Supernovae; Cosmology; Cosmological parameters; Observational cosmology; Sky surveys; BVRI LIGHT CURVES; PHOTOMETRY DATA RELEASE; SUPERLUMINOUS SUPERNOVA; REDSHIFT; PROGRAM; SIMULATIONS; SAMPLE;
D O I
10.3847/1538-3881/abc01b
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present details on the observing strategy, data-processing techniques, and spectroscopic targeting algorithms for the first three years of operation for the Dark Energy Survey Supernova Program (DES-SN). This five-year program using the Dark Energy Camera mounted on the 4 m Blanco telescope in Chile was designed to discover and follow supernovae (SNe) Ia over a wide redshift range (0.05 z < 1.2) to measure the equation-of-state parameter of dark energy. We describe the SN program in full: strategy, observations, data reduction, spectroscopic follow-up observations, and classification. From three seasons of data, we have discovered 12,015 likely SNe, 308 of which have been spectroscopically confirmed, including 251 SNe Ia over a redshift range of 0.017 z < 0.85. We determine the effective spectroscopic selection function for our sample and use it to investigate the redshift-dependent bias on the distance moduli of SNe Ia we have classified. The data presented here are used for the first cosmology analysis by DES-SN ("DES-SN3YR"), the results of which are given in Dark Energy Survey Collaboration et al. The 489 spectra that are used to define the DES-SN3YR sample are publicly available at .
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页数:21
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