Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?

Autores
García Berro, Enrique; Soker, Noam; Althaus, Leandro Gabriel; Ribas, Ignasi; Morales, Juan C.
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We critically discuss the recent observations of the binary system atthe center of the bipolar planetary nebula Henize 2-428. We findthat the proposed explanation of two equal-mass degenerate objects witha total mass larger than the Chandrasekhar limiting mass that supposedlywill merge in less than a Hubble time, possibly leading to a SN Ia,is controversial. This hypothesis relies on the assumption that thevariability of the He II 5412 Å spectral lineis due to two absorption components. Instead, we propose that it can beaccounted for by a broad absorption line from the central system on topof which there is a narrow emission line from the nebula. This promptedus to study if the binary system can be made of a degenerate star and alow-mass main sequence companion, or of two degenerate objects ofsmaller mass. We find that although both scenarios can account for theexistence of two symmetric broad minima in the light curve, the secondone agrees better with observations. We thus argue that the claim thatHenize 2-428 provides observational evidence supporting thedouble-degenerate scenario for SN Ia is premature.
Fil: García Berro, Enrique. Universidad Politecnica de Catalunya; España
Fil: Soker, Noam. Technion - Israel Institute of Technology; Israel
Fil: Althaus, Leandro Gabriel. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Ribas, Ignasi. Institut d’Estudis Espacials de Catalunya; España
Fil: Morales, Juan C.. Institut d’Estudis Espacials de Catalunya; España
Materia
Planetary nebulae
AGB stars
Supernovae
White dwarfs
post-AGB stars
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:11336/36081
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?García Berro, EnriqueSoker, NoamAlthaus, Leandro GabrielRibas, IgnasiMorales, Juan C.Planetary nebulaeAGB starsSupernovaeWhite dwarfspost-AGB starshttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We critically discuss the recent observations of the binary system atthe center of the bipolar planetary nebula Henize 2-428. We findthat the proposed explanation of two equal-mass degenerate objects witha total mass larger than the Chandrasekhar limiting mass that supposedlywill merge in less than a Hubble time, possibly leading to a SN Ia,is controversial. This hypothesis relies on the assumption that thevariability of the He II 5412 Å spectral lineis due to two absorption components. Instead, we propose that it can beaccounted for by a broad absorption line from the central system on topof which there is a narrow emission line from the nebula. This promptedus to study if the binary system can be made of a degenerate star and alow-mass main sequence companion, or of two degenerate objects ofsmaller mass. We find that although both scenarios can account for theexistence of two symmetric broad minima in the light curve, the secondone agrees better with observations. We thus argue that the claim thatHenize 2-428 provides observational evidence supporting thedouble-degenerate scenario for SN Ia is premature.Fil: García Berro, Enrique. Universidad Politecnica de Catalunya; EspañaFil: Soker, Noam. Technion - Israel Institute of Technology; IsraelFil: Althaus, Leandro Gabriel. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Ribas, Ignasi. Institut d’Estudis Espacials de Catalunya; EspañaFil: Morales, Juan C.. Institut d’Estudis Espacials de Catalunya; EspañaElsevier Science2016-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/36081García Berro, Enrique; Soker, Noam; Althaus, Leandro Gabriel; Ribas, Ignasi; Morales, Juan C.; Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?; Elsevier Science; New Astronomy; 45; 5-2016; 7-131384-1076CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.newast.2015.10.010info:eu-repo/semantics/altIdentifier/url/http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:1503.01739info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:10:14Zoai:ri.conicet.gov.ar:11336/36081instacron: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:34982025-10-22 11:10:14.623CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
title Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
spellingShingle Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
García Berro, Enrique
Planetary nebulae
AGB stars
Supernovae
White dwarfs
post-AGB stars
title_short Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
title_full Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
title_fullStr Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
title_full_unstemmed Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
title_sort Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?
dc.creator.none.fl_str_mv García Berro, Enrique
Soker, Noam
Althaus, Leandro Gabriel
Ribas, Ignasi
Morales, Juan C.
author García Berro, Enrique
author_facet García Berro, Enrique
Soker, Noam
Althaus, Leandro Gabriel
Ribas, Ignasi
Morales, Juan C.
author_role author
author2 Soker, Noam
Althaus, Leandro Gabriel
Ribas, Ignasi
Morales, Juan C.
author2_role author
author
author
author
dc.subject.none.fl_str_mv Planetary nebulae
AGB stars
Supernovae
White dwarfs
post-AGB stars
topic Planetary nebulae
AGB stars
Supernovae
White dwarfs
post-AGB stars
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We critically discuss the recent observations of the binary system atthe center of the bipolar planetary nebula Henize 2-428. We findthat the proposed explanation of two equal-mass degenerate objects witha total mass larger than the Chandrasekhar limiting mass that supposedlywill merge in less than a Hubble time, possibly leading to a SN Ia,is controversial. This hypothesis relies on the assumption that thevariability of the He II 5412 Å spectral lineis due to two absorption components. Instead, we propose that it can beaccounted for by a broad absorption line from the central system on topof which there is a narrow emission line from the nebula. This promptedus to study if the binary system can be made of a degenerate star and alow-mass main sequence companion, or of two degenerate objects ofsmaller mass. We find that although both scenarios can account for theexistence of two symmetric broad minima in the light curve, the secondone agrees better with observations. We thus argue that the claim thatHenize 2-428 provides observational evidence supporting thedouble-degenerate scenario for SN Ia is premature.
Fil: García Berro, Enrique. Universidad Politecnica de Catalunya; España
Fil: Soker, Noam. Technion - Israel Institute of Technology; Israel
Fil: Althaus, Leandro Gabriel. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Ribas, Ignasi. Institut d’Estudis Espacials de Catalunya; España
Fil: Morales, Juan C.. Institut d’Estudis Espacials de Catalunya; España
description We critically discuss the recent observations of the binary system atthe center of the bipolar planetary nebula Henize 2-428. We findthat the proposed explanation of two equal-mass degenerate objects witha total mass larger than the Chandrasekhar limiting mass that supposedlywill merge in less than a Hubble time, possibly leading to a SN Ia,is controversial. This hypothesis relies on the assumption that thevariability of the He II 5412 Å spectral lineis due to two absorption components. Instead, we propose that it can beaccounted for by a broad absorption line from the central system on topof which there is a narrow emission line from the nebula. This promptedus to study if the binary system can be made of a degenerate star and alow-mass main sequence companion, or of two degenerate objects ofsmaller mass. We find that although both scenarios can account for theexistence of two symmetric broad minima in the light curve, the secondone agrees better with observations. We thus argue that the claim thatHenize 2-428 provides observational evidence supporting thedouble-degenerate scenario for SN Ia is premature.
publishDate 2016
dc.date.none.fl_str_mv 2016-05
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/11336/36081
García Berro, Enrique; Soker, Noam; Althaus, Leandro Gabriel; Ribas, Ignasi; Morales, Juan C.; Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?; Elsevier Science; New Astronomy; 45; 5-2016; 7-13
1384-1076
CONICET Digital
CONICET
url http://hdl.handle.net/11336/36081
identifier_str_mv García Berro, Enrique; Soker, Noam; Althaus, Leandro Gabriel; Ribas, Ignasi; Morales, Juan C.; Is the central binary system of the planetary nebula Henize 2-428 a type Ia supernova progenitor?; Elsevier Science; New Astronomy; 45; 5-2016; 7-13
1384-1076
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.newast.2015.10.010
info:eu-repo/semantics/altIdentifier/url/http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:1503.01739
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
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
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 12.982451

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