Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models
- Autores
- Romero, Alejandra Daniela; Corsico, Alejandro Hugo; Althaus, Leandro Gabriel; Kepler, S. O.; Castanheira, B.; Miller Bertolami, Marcelo Miguel
- Año de publicación
- 2012
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- ZZ Ceti stars form the most numerous group of degenerate variable stars. They are otherwise normal DA (H-rich atmospheres) white dwarfs that exhibit pulsations. Here, we present an asteroseismological analysis for 44 bright ZZ Ceti stars based on a new set of fully evolutionary DA white dwarf models characterized by detailed chemical profiles from the centre to the surface. One of our targets is the archetypal ZZ Ceti star G117$-$B15A, for which we obtain an asteroseismological model with an effective temperature and a surface gravity in excellent agreement with the spectroscopy. The asteroseismological analysis of a set of 44 ZZ Ceti stars has the potential to characterize the global properties of the class, in particular the thicknesses of the hydrogen envelope and the stellar masses. Our results support the belief that white dwarfs in the solar neighbourhood harbor a broad range of hydrogen-layer thickness.
Fil: Romero, Alejandra Daniela. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
Fil: Corsico, Alejandro Hugo. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Althaus, Leandro Gabriel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Fil: Kepler, S. O.. Universidade Federal do Rio Grande do Sul; Brasil
Fil: Castanheira, B.. Universidade Federal do Rio Grande do Sul; Brasil
Fil: Miller Bertolami, Marcelo Miguel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina - Materia
-
White dwarfs
Asteroseismology
ZZ Ceti (estrella) - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/42665
Ver los metadatos del registro completo
id |
CONICETDig_e6a165ebc4e5b081ddaf66e904dc65d7 |
---|---|
oai_identifier_str |
oai:ri.conicet.gov.ar:11336/42665 |
network_acronym_str |
CONICETDig |
repository_id_str |
3498 |
network_name_str |
CONICET Digital (CONICET) |
spelling |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary modelsRomero, Alejandra DanielaCorsico, Alejandro HugoAlthaus, Leandro GabrielKepler, S. O.Castanheira, B.Miller Bertolami, Marcelo MiguelWhite dwarfsAsteroseismologyZZ Ceti (estrella)https://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1ZZ Ceti stars form the most numerous group of degenerate variable stars. They are otherwise normal DA (H-rich atmospheres) white dwarfs that exhibit pulsations. Here, we present an asteroseismological analysis for 44 bright ZZ Ceti stars based on a new set of fully evolutionary DA white dwarf models characterized by detailed chemical profiles from the centre to the surface. One of our targets is the archetypal ZZ Ceti star G117$-$B15A, for which we obtain an asteroseismological model with an effective temperature and a surface gravity in excellent agreement with the spectroscopy. The asteroseismological analysis of a set of 44 ZZ Ceti stars has the potential to characterize the global properties of the class, in particular the thicknesses of the hydrogen envelope and the stellar masses. Our results support the belief that white dwarfs in the solar neighbourhood harbor a broad range of hydrogen-layer thickness.Fil: Romero, Alejandra Daniela. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; ArgentinaFil: Corsico, Alejandro Hugo. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaFil: Althaus, Leandro Gabriel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaFil: Kepler, S. O.. Universidade Federal do Rio Grande do Sul; BrasilFil: Castanheira, B.. Universidade Federal do Rio Grande do Sul; BrasilFil: Miller Bertolami, Marcelo Miguel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaWiley Blackwell Publishing, Inc2012-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/42665Romero, Alejandra Daniela; Corsico, Alejandro Hugo; Althaus, Leandro Gabriel; Kepler, S. O.; Castanheira, B.; et al.; Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 420; 2-2012; 1462-14800035-8711CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/ 10.1111/j.1365-2966.2011.20134.xinfo:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/420/2/1462/984578info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:09:00Zoai:ri.conicet.gov.ar:11336/42665instacron: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 10:09:00.481CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
title |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
spellingShingle |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models Romero, Alejandra Daniela White dwarfs Asteroseismology ZZ Ceti (estrella) |
title_short |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
title_full |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
title_fullStr |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
title_full_unstemmed |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
title_sort |
Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models |
dc.creator.none.fl_str_mv |
Romero, Alejandra Daniela Corsico, Alejandro Hugo Althaus, Leandro Gabriel Kepler, S. O. Castanheira, B. Miller Bertolami, Marcelo Miguel |
author |
Romero, Alejandra Daniela |
author_facet |
Romero, Alejandra Daniela Corsico, Alejandro Hugo Althaus, Leandro Gabriel Kepler, S. O. Castanheira, B. Miller Bertolami, Marcelo Miguel |
author_role |
author |
author2 |
Corsico, Alejandro Hugo Althaus, Leandro Gabriel Kepler, S. O. Castanheira, B. Miller Bertolami, Marcelo Miguel |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
White dwarfs Asteroseismology ZZ Ceti (estrella) |
topic |
White dwarfs Asteroseismology ZZ Ceti (estrella) |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
ZZ Ceti stars form the most numerous group of degenerate variable stars. They are otherwise normal DA (H-rich atmospheres) white dwarfs that exhibit pulsations. Here, we present an asteroseismological analysis for 44 bright ZZ Ceti stars based on a new set of fully evolutionary DA white dwarf models characterized by detailed chemical profiles from the centre to the surface. One of our targets is the archetypal ZZ Ceti star G117$-$B15A, for which we obtain an asteroseismological model with an effective temperature and a surface gravity in excellent agreement with the spectroscopy. The asteroseismological analysis of a set of 44 ZZ Ceti stars has the potential to characterize the global properties of the class, in particular the thicknesses of the hydrogen envelope and the stellar masses. Our results support the belief that white dwarfs in the solar neighbourhood harbor a broad range of hydrogen-layer thickness. Fil: Romero, Alejandra Daniela. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina Fil: Corsico, Alejandro Hugo. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina Fil: Althaus, Leandro Gabriel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina Fil: Kepler, S. O.. Universidade Federal do Rio Grande do Sul; Brasil Fil: Castanheira, B.. Universidade Federal do Rio Grande do Sul; Brasil Fil: Miller Bertolami, Marcelo Miguel. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina |
description |
ZZ Ceti stars form the most numerous group of degenerate variable stars. They are otherwise normal DA (H-rich atmospheres) white dwarfs that exhibit pulsations. Here, we present an asteroseismological analysis for 44 bright ZZ Ceti stars based on a new set of fully evolutionary DA white dwarf models characterized by detailed chemical profiles from the centre to the surface. One of our targets is the archetypal ZZ Ceti star G117$-$B15A, for which we obtain an asteroseismological model with an effective temperature and a surface gravity in excellent agreement with the spectroscopy. The asteroseismological analysis of a set of 44 ZZ Ceti stars has the potential to characterize the global properties of the class, in particular the thicknesses of the hydrogen envelope and the stellar masses. Our results support the belief that white dwarfs in the solar neighbourhood harbor a broad range of hydrogen-layer thickness. |
publishDate |
2012 |
dc.date.none.fl_str_mv |
2012-02 |
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/11336/42665 Romero, Alejandra Daniela; Corsico, Alejandro Hugo; Althaus, Leandro Gabriel; Kepler, S. O.; Castanheira, B.; et al.; Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 420; 2-2012; 1462-1480 0035-8711 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/42665 |
identifier_str_mv |
Romero, Alejandra Daniela; Corsico, Alejandro Hugo; Althaus, Leandro Gabriel; Kepler, S. O.; Castanheira, B.; et al.; Toward ensemble asteroseismology of ZZ Ceti stars with fully evolutionary models; Wiley Blackwell Publishing, Inc; Monthly Notices of the Royal Astronomical Society; 420; 2-2012; 1462-1480 0035-8711 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/ 10.1111/j.1365-2966.2011.20134.x info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/mnras/article/420/2/1462/984578 |
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 application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
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 |
_version_ |
1844613963958976512 |
score |
13.070432 |