Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)

Autores
Combi, Jorge Ariel
Año de publicación
2011
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
We report preliminary results of a multi-wavelength (radio-optical-X-ray) study of the massive star CPD -59 2629 (Tr 16-22) in the Carina Nebula (NGC 3372). This star has historically shown a large X-ray excess (log L_{X}/L_{bol} < -6 or even larger), which is one order of magnitude larger than expected from single massive O-type stars. A colliding wind scenario is a plausible explanation. On this subject, we searched for non-thermal radio emission and used high-resolution optical spectroscopy to check for multiplicity and investigate the nature of the stars as well as the origin and excess of the X-ray emission. We detected long-term radial-velocity and X-ray variability. Both results suggest that Tr 16-22 is a long-term massive binary system and a variable colliding wind shock scenario.
Fil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
39th Liège Astrophysical Colloquium
Liège
Bélgica
Société Royale des Sciences de Liège
Materia
STARS
X-RAY EMISSION
OPTICAL OBSERVATIONS
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:11336/226618
Acceder
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spelling Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)Combi, Jorge ArielSTARSX-RAY EMISSIONOPTICAL OBSERVATIONShttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We report preliminary results of a multi-wavelength (radio-optical-X-ray) study of the massive star CPD -59 2629 (Tr 16-22) in the Carina Nebula (NGC 3372). This star has historically shown a large X-ray excess (log L_{X}/L_{bol} < -6 or even larger), which is one order of magnitude larger than expected from single massive O-type stars. A colliding wind scenario is a plausible explanation. On this subject, we searched for non-thermal radio emission and used high-resolution optical spectroscopy to check for multiplicity and investigate the nature of the stars as well as the origin and excess of the X-ray emission. We detected long-term radial-velocity and X-ray variability. Both results suggest that Tr 16-22 is a long-term massive binary system and a variable colliding wind shock scenario.Fil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina39th Liège Astrophysical ColloquiumLiègeBélgicaSociété Royale des Sciences de LiègeSociété Royale des Sciences de LiègeRauw, G.De Becker, M.Nazé, Y.Vreux, J.-M.William, P.2011info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectCongresoJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/226618Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22); 39th Liège Astrophysical Colloquium; Liège; Bélgica; 2010; 644-6471783-5720CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://articles.adsabs.harvard.edu/full/2011BSRSL..80..644Cinfo:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/abs/2011BSRSL..80..644C/abstractInternacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:04:24Zoai:ri.conicet.gov.ar:11336/226618instacron: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 10:04:25.011CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
title Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
spellingShingle Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
Combi, Jorge Ariel
STARS
X-RAY EMISSION
OPTICAL OBSERVATIONS
title_short Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
title_full Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
title_fullStr Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
title_full_unstemmed Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
title_sort Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22)
dc.creator.none.fl_str_mv Combi, Jorge Ariel
author Combi, Jorge Ariel
author_facet Combi, Jorge Ariel
author_role author
dc.contributor.none.fl_str_mv Rauw, G.
De Becker, M.
Nazé, Y.
Vreux, J.-M.
William, P.
dc.subject.none.fl_str_mv STARS
X-RAY EMISSION
OPTICAL OBSERVATIONS
topic STARS
X-RAY EMISSION
OPTICAL OBSERVATIONS
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 report preliminary results of a multi-wavelength (radio-optical-X-ray) study of the massive star CPD -59 2629 (Tr 16-22) in the Carina Nebula (NGC 3372). This star has historically shown a large X-ray excess (log L_{X}/L_{bol} < -6 or even larger), which is one order of magnitude larger than expected from single massive O-type stars. A colliding wind scenario is a plausible explanation. On this subject, we searched for non-thermal radio emission and used high-resolution optical spectroscopy to check for multiplicity and investigate the nature of the stars as well as the origin and excess of the X-ray emission. We detected long-term radial-velocity and X-ray variability. Both results suggest that Tr 16-22 is a long-term massive binary system and a variable colliding wind shock scenario.
Fil: Combi, Jorge Ariel. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Instituto Argentino de Radioastronomía. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto Argentino de Radioastronomía; Argentina
39th Liège Astrophysical Colloquium
Liège
Bélgica
Société Royale des Sciences de Liège
description We report preliminary results of a multi-wavelength (radio-optical-X-ray) study of the massive star CPD -59 2629 (Tr 16-22) in the Carina Nebula (NGC 3372). This star has historically shown a large X-ray excess (log L_{X}/L_{bol} < -6 or even larger), which is one order of magnitude larger than expected from single massive O-type stars. A colliding wind scenario is a plausible explanation. On this subject, we searched for non-thermal radio emission and used high-resolution optical spectroscopy to check for multiplicity and investigate the nature of the stars as well as the origin and excess of the X-ray emission. We detected long-term radial-velocity and X-ray variability. Both results suggest that Tr 16-22 is a long-term massive binary system and a variable colliding wind shock scenario.
publishDate 2011
dc.date.none.fl_str_mv 2011
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Congreso
Journal
http://purl.org/coar/resource_type/c_5794
info:ar-repo/semantics/documentoDeConferencia
status_str publishedVersion
format conferenceObject
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/226618
Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22); 39th Liège Astrophysical Colloquium; Liège; Bélgica; 2010; 644-647
1783-5720
CONICET Digital
CONICET
url http://hdl.handle.net/11336/226618
identifier_str_mv Multiwavelength study of the intriguing massive star CPD--59 2629 (Tr 16-22); 39th Liège Astrophysical Colloquium; Liège; Bélgica; 2010; 644-647
1783-5720
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://articles.adsabs.harvard.edu/full/2011BSRSL..80..644C
info:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/abs/2011BSRSL..80..644C/abstract
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.coverage.none.fl_str_mv Internacional
dc.publisher.none.fl_str_mv Société Royale des Sciences de Liège
publisher.none.fl_str_mv Société Royale des Sciences de Liège
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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