Observational challenges in dark energy models

Autores
Bengochea, Gabriel Roman
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Cosmological distances inferred from supernova Ia observations constitute the most direct and solid evidence for the recently detected accelerated expansion of the universe. In this contribution, we show some inconsistencies between two of the main light-curve fitters used for the elaboration of supernova Ia data sets, opening new observational challenges regarding the use of these luminosity distances when combined with CMB and BAO data. We also mention ongoing analysis related to alternative models. The resolution of these challenges will be crucial for XXI century cosmology.
Fil: Bengochea, Gabriel Roman. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio(i); Argentina;
Materia
Cosmology
Dark Energy
Supernovae Ia
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/781
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/781
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network_name_str CONICET Digital (CONICET)
spelling Observational challenges in dark energy modelsBengochea, Gabriel RomanCosmologyDark EnergySupernovae Iahttps://purl.org/becyt/ford/1https://purl.org/becyt/ford/1.3Cosmological distances inferred from supernova Ia observations constitute the most direct and solid evidence for the recently detected accelerated expansion of the universe. In this contribution, we show some inconsistencies between two of the main light-curve fitters used for the elaboration of supernova Ia data sets, opening new observational challenges regarding the use of these luminosity distances when combined with CMB and BAO data. We also mention ongoing analysis related to alternative models. The resolution of these challenges will be crucial for XXI century cosmology.Fil: Bengochea, Gabriel Roman. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio(i); Argentina;Asociación Argentina de Astronomía2013-08info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/781Bengochea, Gabriel Roman; Observational challenges in dark energy models; Asociación Argentina de Astronomía; Asociación Argentina de Astronomía; 55; 8-2013; 431-4340571-3285enginfo:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1304.6749info:eu-repo/semantics/altIdentifier/url/http://www.astronomiaargentina.org.ar/b55/boletin_55.pdfinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:46:41Zoai:ri.conicet.gov.ar:11336/781instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:46:42.151CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Observational challenges in dark energy models
title Observational challenges in dark energy models
spellingShingle Observational challenges in dark energy models
Bengochea, Gabriel Roman
Cosmology
Dark Energy
Supernovae Ia
title_short Observational challenges in dark energy models
title_full Observational challenges in dark energy models
title_fullStr Observational challenges in dark energy models
title_full_unstemmed Observational challenges in dark energy models
title_sort Observational challenges in dark energy models
dc.creator.none.fl_str_mv Bengochea, Gabriel Roman
author Bengochea, Gabriel Roman
author_facet Bengochea, Gabriel Roman
author_role author
dc.subject.none.fl_str_mv Cosmology
Dark Energy
Supernovae Ia
topic Cosmology
Dark Energy
Supernovae Ia
purl_subject.fl_str_mv https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.3
dc.description.none.fl_txt_mv Cosmological distances inferred from supernova Ia observations constitute the most direct and solid evidence for the recently detected accelerated expansion of the universe. In this contribution, we show some inconsistencies between two of the main light-curve fitters used for the elaboration of supernova Ia data sets, opening new observational challenges regarding the use of these luminosity distances when combined with CMB and BAO data. We also mention ongoing analysis related to alternative models. The resolution of these challenges will be crucial for XXI century cosmology.
Fil: Bengochea, Gabriel Roman. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio(i); Argentina;
description Cosmological distances inferred from supernova Ia observations constitute the most direct and solid evidence for the recently detected accelerated expansion of the universe. In this contribution, we show some inconsistencies between two of the main light-curve fitters used for the elaboration of supernova Ia data sets, opening new observational challenges regarding the use of these luminosity distances when combined with CMB and BAO data. We also mention ongoing analysis related to alternative models. The resolution of these challenges will be crucial for XXI century cosmology.
publishDate 2013
dc.date.none.fl_str_mv 2013-08
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/781
Bengochea, Gabriel Roman; Observational challenges in dark energy models; Asociación Argentina de Astronomía; Asociación Argentina de Astronomía; 55; 8-2013; 431-434
0571-3285
url http://hdl.handle.net/11336/781
identifier_str_mv Bengochea, Gabriel Roman; Observational challenges in dark energy models; Asociación Argentina de Astronomía; Asociación Argentina de Astronomía; 55; 8-2013; 431-434
0571-3285
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1304.6749
info:eu-repo/semantics/altIdentifier/url/http://www.astronomiaargentina.org.ar/b55/boletin_55.pdf
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Asociación Argentina de Astronomía
publisher.none.fl_str_mv Asociación Argentina de Astronomía
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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