Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model

Autores
Vila, Gabriela Soledad; Pepe, Carolina; Romero Gustavo E.
Año de publicación
2016
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
The microquasar Cygnus X-1 is one of the most studied astrophysical sources. Several radiative models for the non-thermal broadband emission of Cygnus X-1 are available. For the jet emission in particular, only leptonic models have been considered despite the observational evidence of the presence of hadrons in the jets of other microquasars. In this work, we present an inhomogeneous, lepto-hadronic jet model for the non-thermal broadband emission of Cygnus X-1. We calculate the contribution to the spectrum of both relativistic electrons and protons, taking into account their interaction with the magnetic field, matter and photon fields internal and external to the jet. We obtain best-fit models for the spectrum that reproduce the observations from radio to gamma rays, including the MeV tail whose origin is still disputed. We also produce synthetic radio maps of the jet and compare them to actual interferometric observations of the source. Finally, we present preliminary results for the degree of polarization of the jet radiation in the MeV band.
Fil: Vila, Gabriela Soledad. 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
Fil: Pepe, Carolina. 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
Fil: Romero Gustavo E.. 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
58° Reunión Anual de la Asociación Argentina de Astronomía
La Plata
Argentina
Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas
Materia
gamma rays: general
radiation mechanisms: non-thermal
X-rays: binaries
X-rays: individuals: Cygnus X-1
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:11336/225236
Acceder
id CONICETDig_f1f84c41bb17003b9897d70a0f073921
oai_identifier_str oai:ri.conicet.gov.ar:11336/225236
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic modelVila, Gabriela SoledadPepe, CarolinaRomero Gustavo E.gamma rays: generalradiation mechanisms: non-thermalX-rays: binariesX-rays: individuals: Cygnus X-1https://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The microquasar Cygnus X-1 is one of the most studied astrophysical sources. Several radiative models for the non-thermal broadband emission of Cygnus X-1 are available. For the jet emission in particular, only leptonic models have been considered despite the observational evidence of the presence of hadrons in the jets of other microquasars. In this work, we present an inhomogeneous, lepto-hadronic jet model for the non-thermal broadband emission of Cygnus X-1. We calculate the contribution to the spectrum of both relativistic electrons and protons, taking into account their interaction with the magnetic field, matter and photon fields internal and external to the jet. We obtain best-fit models for the spectrum that reproduce the observations from radio to gamma rays, including the MeV tail whose origin is still disputed. We also produce synthetic radio maps of the jet and compare them to actual interferometric observations of the source. Finally, we present preliminary results for the degree of polarization of the jet radiation in the MeV band.Fil: Vila, Gabriela Soledad. 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; ArgentinaFil: Pepe, Carolina. 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; ArgentinaFil: Romero Gustavo E.. 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; Argentina58° Reunión Anual de la Asociación Argentina de AstronomíaLa PlataArgentinaUniversidad Nacional de La Plata. Facultad de Ciencias Astronómicas y GeofísicasAsociación Argentina de AstronomíaBenaglia, PaulaCarpintero, Daniel DiegoGamen, Roberto ClaudioLares, Marcelo2016info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjectReuniónJournalhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/225236Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model; 58° Reunión Anual de la Asociación Argentina de Astronomía; La Plata; Argentina; 2015; 240-2420571-32851669-9521CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.astronomiaargentina.org.ar/uploads/docs/baaa58.pdfinfo:eu-repo/semantics/altIdentifier/url/http://astronomiaargentina.fcaglp.unlp.edu.ar/b58/2016baaa...58...240V.pdfinfo:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/abs/2016BAAA...58..240V/abstractNacionalinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:55:45Zoai:ri.conicet.gov.ar:11336/225236instacron: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:34982025-09-03 09:55:46.148CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
title Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
spellingShingle Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
Vila, Gabriela Soledad
gamma rays: general
radiation mechanisms: non-thermal
X-rays: binaries
X-rays: individuals: Cygnus X-1
title_short Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
title_full Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
title_fullStr Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
title_full_unstemmed Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
title_sort Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model
dc.creator.none.fl_str_mv Vila, Gabriela Soledad
Pepe, Carolina
Romero Gustavo E.
author Vila, Gabriela Soledad
author_facet Vila, Gabriela Soledad
Pepe, Carolina
Romero Gustavo E.
author_role author
author2 Pepe, Carolina
Romero Gustavo E.
author2_role author
author
dc.contributor.none.fl_str_mv Benaglia, Paula
Carpintero, Daniel Diego
Gamen, Roberto Claudio
Lares, Marcelo
dc.subject.none.fl_str_mv gamma rays: general
radiation mechanisms: non-thermal
X-rays: binaries
X-rays: individuals: Cygnus X-1
topic gamma rays: general
radiation mechanisms: non-thermal
X-rays: binaries
X-rays: individuals: Cygnus X-1
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The microquasar Cygnus X-1 is one of the most studied astrophysical sources. Several radiative models for the non-thermal broadband emission of Cygnus X-1 are available. For the jet emission in particular, only leptonic models have been considered despite the observational evidence of the presence of hadrons in the jets of other microquasars. In this work, we present an inhomogeneous, lepto-hadronic jet model for the non-thermal broadband emission of Cygnus X-1. We calculate the contribution to the spectrum of both relativistic electrons and protons, taking into account their interaction with the magnetic field, matter and photon fields internal and external to the jet. We obtain best-fit models for the spectrum that reproduce the observations from radio to gamma rays, including the MeV tail whose origin is still disputed. We also produce synthetic radio maps of the jet and compare them to actual interferometric observations of the source. Finally, we present preliminary results for the degree of polarization of the jet radiation in the MeV band.
Fil: Vila, Gabriela Soledad. 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
Fil: Pepe, Carolina. 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
Fil: Romero Gustavo E.. 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
58° Reunión Anual de la Asociación Argentina de Astronomía
La Plata
Argentina
Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas
description The microquasar Cygnus X-1 is one of the most studied astrophysical sources. Several radiative models for the non-thermal broadband emission of Cygnus X-1 are available. For the jet emission in particular, only leptonic models have been considered despite the observational evidence of the presence of hadrons in the jets of other microquasars. In this work, we present an inhomogeneous, lepto-hadronic jet model for the non-thermal broadband emission of Cygnus X-1. We calculate the contribution to the spectrum of both relativistic electrons and protons, taking into account their interaction with the magnetic field, matter and photon fields internal and external to the jet. We obtain best-fit models for the spectrum that reproduce the observations from radio to gamma rays, including the MeV tail whose origin is still disputed. We also produce synthetic radio maps of the jet and compare them to actual interferometric observations of the source. Finally, we present preliminary results for the degree of polarization of the jet radiation in the MeV band.
publishDate 2016
dc.date.none.fl_str_mv 2016
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Reunión
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/11336/225236
Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model; 58° Reunión Anual de la Asociación Argentina de Astronomía; La Plata; Argentina; 2015; 240-242
0571-3285
1669-9521
CONICET Digital
CONICET
url http://hdl.handle.net/11336/225236
identifier_str_mv Spectral energy distribution, radio maps and polarization of Cygnus X-1: a lepto- hadronic model; 58° Reunión Anual de la Asociación Argentina de Astronomía; La Plata; Argentina; 2015; 240-242
0571-3285
1669-9521
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.astronomiaargentina.org.ar/uploads/docs/baaa58.pdf
info:eu-repo/semantics/altIdentifier/url/http://astronomiaargentina.fcaglp.unlp.edu.ar/b58/2016baaa...58...240V.pdf
info:eu-repo/semantics/altIdentifier/url/https://ui.adsabs.harvard.edu/abs/2016BAAA...58..240V/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
application/pdf
dc.coverage.none.fl_str_mv Nacional
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
_version_ 1842269365154611200
score 13.13397

Publicaciones similares