Authors
TMC Abbott, S Allam, P Andersen, Charlotte Angus, J Asorey, A Avelino, S Avila, BA Bassett, K Bechtol, GM Bernstein, E Bertin, D Brooks, D Brout, P Brown, DL Burke, J Calcino, A Carnero Rosell, D Carollo, M Carrasco Kind, J Carretero, R Casas, FJ Castander, R Cawthon, P Challis, M Childress, A Clocchiatti, CE Cunha, CB D’Andrea, LN Da Costa, C Davis, TM Davis, J De Vicente, DL DePoy, S Desai, HT Diehl, P Doel, A Drlica-Wagner, TF Eifler, AE Evrard, E Fernandez, AV Filippenko, DA Finley, B Flaugher, RJ Foley, P Fosalba, J Frieman, L Galbany, J García-Bellido, E Gaztanaga, T Giannantonio, K Glazebrook, DA Goldstein, S González-Gaitán, D Gruen, RA Gruendl, J Gschwend, RR Gupta, G Gutierrez, WG Hartley, SR Hinton, DL Hollowood, K Honscheid, JK Hoormann, B Hoyle, DJ James, T Jeltema, MWG Johnson, MD Johnson, E Kasai, S Kent, R Kessler, AG Kim, RP Kirshner, E Kovacs, E Krause, R Kron, K Kuehn, S Kuhlmann, N Kuropatkin, O Lahav, J Lasker, GF Lewis, TS Li, C Lidman, M Lima, H Lin, E Macaulay, MAG Maia, KS Mandel, M March, J Marriner, JL Marshall, P Martini, F Menanteau, CJ Miller, R Miquel, V Miranda, JJ Mohr, E Morganson, D Muthukrishna, A Möller, E Neilsen, RC Nichol, B Nord, P Nugent, RLC Ogando, A Palmese, Y-C Pan, AA Plazas, M Pursiainen, AK Romer, A Roodman, E Rozo, ES Rykoff, M Sako, E Sanchez, V Scarpine, R Schindler, M Schubnell, D Scolnic, S Serrano, I Sevilla-Noarbe, R Sharp, M Smith, M Soares-Santos, F Sobreira, NE Sommer, H Spinka, E Suchyta, M Sullivan, E Swann, G Tarle, D Thomas, RC Thomas, MA Troxel, BE Tucker, SA Uddin, AR Walker, W Wester, P Wiseman, RC Wolf, B Yanny, B Zhang, Y Zhang, DES Collaboration
Publication date
2019/2/21
Journal
The Astrophysical Journal Letters
Volume
872
Issue
2
Pages
L30
Publisher
IOP Publishing
Description
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 ΛCDM model we find a matter density
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