First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters

Abbott, T. M.  C.; Allam, S.; Andersen, P.; Angus, C.; Asorey, J.; Avelino, A.; Avila, S.; Bassett, B. A.; Bechtol, K.; Bernstein, G. M.; Bertin, E.; Brooks, D.; Brout, D.; Brown, P.; Burke, D. L.; Calcino, J.; Rosell, A. Carnero; Carollo, D.; Carrasco Kind, M.; Carretero, J.; Casas, R.; Castander, F. J.; Cawthon, R.; Challis, P.; Childress, M.; Clocchiatti, A.; Cunha, C. E.; D’Andrea, C. B.; da Costa, L. N.; Davis, C.; Davis, T. M.; De Vicente, J.; DePoy, D. L.; Desai, S.; Diehl, H. T.; Doel, P.; Drlica-Wagner, A.; Eifler, T. F.; Evrard, A. E.; Fernandez, E.; Filippenko, A. V.; Finley, D. A.; Flaugher, B.; Foley, R. J.; Fosalba, P.; Frieman, J.; Galbany, L.; García-Bellido, J.; Gaztanaga, E.; Giannantonio, T.; Glazebrook, K.; Goldstein, D. A.; González-Gaitán, S.; Gruen, D.; Gruendl, R. A.; Gschwend, J.; Gupta, R. R.; Gutierrez, G.; Hartley, W. G.; Hinton, S. R.; Hollowood, D. L.; Honscheid, K.; Hoormann, J. K.; Hoyle, B.; James, D. J.; Jeltema, T.; Johnson, M. W.  G.; Johnson, M. D.; Kasai, E.; Kent, S.; Kessler, R.; Kim, A. G.; Kirshner, R. P.; Kovacs, E.; Krause, E.; Kron, R.; Kuehn, K.; Kuhlmann, S.; Kuropatkin, N.; Lahav, O.; Lasker, J.; Lewis, G. F.; Li, T. S.; Lidman, C.; Lima, M.; Lin, H.; Macaulay, E.; Maia, M. A.  G.; Mandel, K. S.; March, M.; Marriner, J.; Marshall, J. L.; Martini, P.; Menanteau, F.; Miller, C. J.; Miquel, R.; Miranda, V.; Mohr, J. J.; Morganson, E.; Muthukrishna, D.; Möller, A.; Neilsen, E.; Nichol, R. C.; Nord, B.; Nugent, P.; Ogando, R. L.  C.; Palmese, A.; Pan, Y. -C.; Plazas, A. A.; Pursiainen, M.; Romer, A. K.; Roodman, A.; Rozo, E.; Rykoff, E. S.; Sako, M.; Sanchez, E.; Scarpine, V.; Schindler, R.; Schubnell, M.; Scolnic, D.; Serrano, S.; Sevilla-Noarbe, I.; Sharp, R.; Smith, M.; Soares-Santos, M.; Sobreira, F.; Sommer, N. E.; Spinka, H.; Suchyta, E.; Sullivan, M.; Swann, E.; Tarle, G.; Thomas, D.; Thomas, R. C.; Troxel, M. A.; Tucker, B. E.; Uddin, S. A.; Walker, A. R.; Wester, W.; Wiseman, P.; Wolf, R. C.; Yanny, B.; Zhang, B.; Zhang, Y.

doi:10.3847/2041-8213/ab04fa

Title: First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters

Journal Article · Wed Feb 20 00:00:00 EST 2019 · The Astrophysical Journal. Letters (Online)

DOI:https://doi.org/10.3847/2041-8213/ab04fa· OSTI ID:1488595

Abbott, T. M. C.; Allam, S.; Andersen, P.; Angus, C.; Asorey, J.;

; Avila, S.; Bassett, B. A.; Bechtol, K.; Bernstein, G. M.; Bertin, E.;

;

; Burke, D. L.; Calcino, J.; Rosell, A. Carnero; Carollo, D.;

; Carretero, J. more »

We present the first cosmological parameter constraints using measurements of type Ia supernovae (SNe Ia) from the Dark Energy Survey Supernova Program (DES-SN). The analysis uses a subsample of 207 spectroscopically confirmed SNe Ia from the first three years of DES-SN, combined with a low-redshift sample of 122 SNe from the literature. Our "DES-SN3YR" result from these 329 SNe Ia is based on a series of companion analyses and improvements covering SN Ia discovery, spectroscopic selection, photometry, calibration, distance bias corrections, and evaluation of systematic uncertainties. For a flat LCDM model we find a matter density Omega_m = 0.331 +_ 0.038. For a flat wCDM model, and combining our SN Ia constraints with those from the cosmic microwave background (CMB), we find a dark energy equation of state w = -0.978 +_ 0.059, and Omega_m = 0.321 +_ 0.018. For a flat w0waCDM model, and combining probes from SN Ia, CMB and baryon acoustic oscillations, we find w0 = -0.885 +_ 0.114 and wa = -0.387 +_ 0.430. These results are in agreement with a cosmological constant and with previous constraints using SNe Ia (Pantheon, JLA).

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Univ. of Michigan, Ann Arbor, MI (United States); Univ. of Chicago, IL (United States); The Ohio State Univ., Columbus, OH (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: DES Collaboration

Grant/Contract Number:: AC02-07CH11359; SC0019193; AC02-76SF00515; AC02-05CH11231; SC0009924; SC0011726

OSTI ID:: 1488595

Alternate ID(s):: OSTI ID: 1504487; OSTI ID: 1526579; OSTI ID: 1593876; OSTI ID: 1728572

Report Number(s):: arXiv:1811.02374; FERMILAB-PUB-18-590-AE; 1702385

Journal Information:: The Astrophysical Journal. Letters (Online), Vol. 872, Issue 2; ISSN 2041-8213

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 143 works

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Steve: A Hierarchical Bayesian Model for Supernova Cosmology Hinton, S. R.; Davis, T. M.; Kim, A. G. The Astrophysical Journal, Vol. 876, Issue 1 https://doi.org/10.3847/1538-4357/ab13a3	journal	April 2019
Type Ia Supernovae Are Excellent Standard Candles in the Near-infrared Avelino, Arturo; Friedman, Andrew S.; Mandel, Kaisey S. The Astrophysical Journal, Vol. 887, Issue 1 https://doi.org/10.3847/1538-4357/ab2a16	journal	December 2019
The Foundation Supernova Survey: Measuring Cosmological Parameters with Supernovae from a Single Telescope Jones, D. O.; Scolnic, D. M.; Foley, R. J. The Astrophysical Journal, Vol. 881, Issue 1 https://doi.org/10.3847/1538-4357/ab2bec	journal	August 2019
Accounting for Correlations When Fitting Extra Cosmological Parameters Huang, Y.; Addison, G. E.; Bennett, C. L. The Astrophysical Journal, Vol. 882, Issue 2 https://doi.org/10.3847/1538-4357/ab3654	journal	September 2019
High-velocity Feature as the Indicator of the Stellar Population of Type Ia Supernovae Meng, Xiang-Cun The Astrophysical Journal, Vol. 886, Issue 1 https://doi.org/10.3847/1538-4357/ab4e10	journal	November 2019
Brans–Dicke Gravity with a Cosmological Constant Smoothes Out ΛCDM Tensions Peracaula, Joan Solà; Gómez-Valent, Adrià; de Cruz Pérez, Javier The Astrophysical Journal, Vol. 886, Issue 1 https://doi.org/10.3847/2041-8213/ab53e9	journal	November 2019
Type Ia Supernovae Are Excellent Standard Candles in the Near-infrared Avelino, A.; Friedman, As; Mandel, Kaisey Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.41379	text	January 2019
Models and simulations for the photometric lsst astronomical time series classification challenge (Plasticc) Kessler, R.; Narayan, G.; Avelino, A. Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.41808	text	January 2019
Cosmological Constraints from Multiple Probes in the Dark Energy Survey Collaboration, Des; Abbott, T. M. C.; Alarcon, A. arXiv https://doi.org/10.48550/arxiv.1811.02375	text	January 2018
The Foundation Supernova Survey: Measuring Cosmological Parameters with Supernovae from a Single Telescope Jones, D. O.; Scolnic, D. M.; Foley, R. J. arXiv https://doi.org/10.48550/arxiv.1811.09286	text	January 2018
Type Ia Supernovae are Excellent Standard Candles in the Near-Infrared Avelino, Arturo; Friedman, Andrew S.; Mandel, Kaisey S. arXiv https://doi.org/10.48550/arxiv.1902.03261	text	January 2019
The Hyper Suprime-Cam SSP Transient Survey in COSMOS: Overview Yasuda, Naoki; Tanaka, Masaomi; Tominaga, Nozomu arXiv https://doi.org/10.48550/arxiv.1904.09697	text	January 2019
An Accelerating Cosmological Model from a Parametrization of Hubble Parameter Pacif, S. K. J.; Khan, Md Salahuddin; Paikroy, L. K. arXiv https://doi.org/10.48550/arxiv.1911.09102	text	January 2019

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