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

来源：

ASTRONOMICAL JOURNAL | 2020年 / 160卷 / 06期

基金：

美国国家科学基金会; 欧盟第七框架计划; 欧洲研究理事会; 英国科学技术设施理事会; 欧盟地平线“2020”;

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 .

引用

页数：21

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