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dc.contributor.authorLee, Jaemyounges_ES
dc.contributor.authorGalbany, Lluíses_ES
dc.contributor.authorCarretero, Jorgees_ES
dc.contributor.authorGarcía-Bellido, Juanes_ES
dc.contributor.authorSevilla-Noarbe, I.es_ES
dc.contributor.authorDES Collaborationes_ES
dc.date.accessioned2023-11-28T08:55:19Z-
dc.date.available2023-11-28T08:55:19Z-
dc.date.issued2023-
dc.identifier.citationAstronomical Journal 165(6): 222 (2023)es_ES
dc.identifier.issn0004-6256-
dc.identifier.urihttp://hdl.handle.net/10261/339766-
dc.descriptionDES Collaboration: Lee et al.es_ES
dc.description.abstractWavelength-dependent atmospheric effects impact photometric supernova flux measurements for ground-based observations. We present corrections on supernova flux measurements from the Dark Energy Survey Supernova Program's 5YR sample (DES-SN5YR) for differential chromatic refraction (DCR) and wavelength-dependent seeing, and we show their impact on the cosmological parameters w and Ωm. We use g − i colors of Type Ia supernovae to quantify astrometric offsets caused by DCR and simulate point-spread functions (PSFs) using the GalSIM package to predict the shapes of the PSFs with DCR and wavelength-dependent seeing. We calculate the magnitude corrections and apply them to the magnitudes computed by the DES-SN5YR photometric pipeline. We find that for the DES-SN5YR analysis, not accounting for the astrometric offsets and changes in the PSF shape cause an average bias of +0.2 mmag and −0.3 mmag, respectively, with standard deviations of 0.7 mmag and 2.7 mmag across all DES observing bands (griz) throughout all redshifts. When the DCR and seeing effects are not accounted for, we find that w and Ωm are lower by less than 0.004 ± 0.02 and 0.001 ± 0.01, respectively, with 0.02 and 0.01 being the 1σ statistical uncertainties. Although we find that these biases do not limit the constraints of the DES-SN5YR sample, future surveys with much higher statistics, lower systematics, and especially those that observe in the u band will require these corrections as wavelength-dependent atmospheric effects are larger at shorter wavelengths. We also discuss limitations of our method and how they can be better accounted for in future surveys.es_ES
dc.description.sponsorshipJ.L. and M.S. were supported by DOE grant DE-FOA-0002424 and NSF grant AST-2108094. L.G. acknowledges financial support from the Spanish Ministerio de Ciencia e Innovación (MCIN), the Agencia Estatal de Investigación (AEI) 10.13039/501100011033, and the European Social Fund (ESF) Investing in your future under the 2019 Ramón y Cajal program RYC2019-027683-I and the PID2020-115253GA-I00 HOSTFLOWS project, from Centro Superior de Investigaciones Científicas (CSIC) under the PIE project 20215AT016, and the program Unidad de Excelencia María de Maeztu CEX2020-001058-M. This research used resources of the National Energy Research Scientific Computing Center (NERSC), a DOE Office of Science User Facility supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.es_ES
dc.description.sponsorshipThe DES data management system is supported by the National Science Foundation under grant No. AST-1138766 and AST-1536171. The DES participants from Spanish institutions are partially supported by MICINN under grants ESP2017-89838, PGC2018-094773, PGC2018-102021, SEV-2016-0588, SEV-2016-0597, and MDM-2015-0509, some of which include ERDF funds from the European Union. IFAE is partially funded by the CERCA program of the Generalitat de Catalunya. Research leading to these results has received funding from the European Research Council under the European Union's Seventh Framework Program (FP7/2007-2013) including ERC grant agreements 240672, 291329, and 306478. We acknowledge support from the Brazilian Instituto Nacional de Ciência e Tecnologia (INCT) do e-Universo (CNPq grant 465376/2014-2).es_ES
dc.formatapplication/pdfes_ES
dc.language.isoenges_ES
dc.publisherIOP Publishinges_ES
dc.relationinfo:eu-repo/grantAgreement/AEI//RYC2019-027683-Ies_ES
dc.relationinfo:eu-repo/grantAgreement/AEI//CEX2020-001058-Mes_ES
dc.relationinfo:eu-repo/grantAgreement/AEI//ESP2017-89838es_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-094773-B-C31/ES/FISICA FUNDAMENTAL Y COSMOLOGIA CON CARTOGRAFIADOS EXTRAGALACTICOS/es_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-094773-B-C32/ES/FISICA FUNDAMENTAL Y COSMOLOGIA CON CARTOGRAFIADOS EXTRAGALACTICOS/es_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-094773-B-C33/ES/FISICA FUNDAMENTAL Y COSMOLOGIA CON CARTOGRAFIADOS EXTRAGALACTICOS/es_ES
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dc.relationinfo:eu-repo/grantAgreement/MINECO//SEV-2016-0588es_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO//SEV-2016-0597es_ES
dc.relationinfo:eu-repo/grantAgreement/MINECO//MDM-2015-0509/ES/CIEMAT - Física de Partículas/es_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/240672es_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/291329es_ES
dc.relationinfo:eu-repo/grantAgreement/EC/FP7/306478es_ES
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-115253GA-I00/ES/ACORRALANDO LA "TENSION DE HUBBLE" ESTUDIANDO ERRORES SISTEMATICOS Y RECONSTRUYENDO DEL UNIVERSO LOCAL CON SUPERNOVAS/es_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.titleThe dark energy survey supernova program: Corrections on photometry due to wavelength-dependent atmospheric effectses_ES
dc.typeartículoes_ES
dc.identifier.doi10.3847/1538-3881/acca15-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttps://doi.org/10.3847/1538-3881/acca15es_ES
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/es_ES
dc.contributor.funderDepartment of Energy (US)es_ES
dc.contributor.funderNational Science Foundation (US)es_ES
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.contributor.funderAgencia Estatal de Investigación (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderConsejo Superior de Investigaciones Científicas (España)es_ES
dc.contributor.funderEuropean Research Counciles_ES
dc.contributor.funderGeneralitat de Catalunyaes_ES
dc.contributor.funderConselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil)es_ES
dc.contributor.funderInstituto Nacional de Ciência e Tecnologia (Brasil)es_ES
dc.relation.csicSíes_ES
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