High mass microquasars and low latitude gamma-ray sources

Population studies of unidentified EGRET sources suggest that there exist at least three different populations of galactic gamma-ray sources. One of these populations is formed by young objects distributed along the galactic plane with a strong concentration toward the inner spiral arms of the Galax...

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Detalles Bibliográficos
Autores: Bosch i Ramon, Valentí, Romero, Gustavo E., Paredes i Poy, Josep Maria
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2005
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/45337
Acceso en línea:https://hdl.handle.net/2445/45337
Access Level:acceso abierto
Palabra clave:Estels binaris de raigs X
Estels
Vents
Raigs gamma
Astrofísica
X-ray binaries
Stars
Winds
Gamma rays
Astrophysics
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repository_id_str
spelling High mass microquasars and low latitude gamma-ray sourcesBosch i Ramon, ValentíRomero, Gustavo E.Paredes i Poy, Josep MariaEstels binaris de raigs XEstelsVentsRaigs gammaAstrofísicaX-ray binariesStarsWindsGamma raysAstrophysicsPopulation studies of unidentified EGRET sources suggest that there exist at least three different populations of galactic gamma-ray sources. One of these populations is formed by young objects distributed along the galactic plane with a strong concentration toward the inner spiral arms of the Galaxy. Variability, spectral and correlation analysis indicate that this population is not homogeneous. In particular, there is a subgroup of sources that display clear variability in their gamma-ray fluxes on timescales from days to months. Following the proposal by Kaufman Bernad\'o et al. (2002), we suggest that this group of sources might be high-mass microquasars, i.e. accreting black holes or neutron stars with relativistic jets and early-type stellar companions. We present detailed inhomogeneous models for the gamma-ray emission of these systems that include both external and synchrotron self-Compton interactions. We have included effects of interactions between the jet and all external photon fields to which it is exposed: companion star, accretion disk, and hot corona. We make broadband calculations to predict the spectral energy distribution of these objects from radio up to GeV energies. The results and predictions can be tested by present and future gamma-ray instruments like INTEGRAL, AGILE, and GLAST.Springer Verlag2013201320052013info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion10 p.application/pdfapplication/pdfhttps://hdl.handle.net/2445/45337Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)InglésVersió postprint del document publicat a: http://dx.doi.org/10.1051/0004-6361:20041194Astronomy and Astrophysics, 2005, vol. 429, num. 1, p. 267-276http://dx.doi.org/10.1051/0004-6361:20041194(c) Springer Verlag, 2005info:eu-repo/semantics/openAccessoai:recercat.cat:2445/453372026-05-29T05:05:01Z
dc.title.none.fl_str_mv High mass microquasars and low latitude gamma-ray sources
title High mass microquasars and low latitude gamma-ray sources
spellingShingle High mass microquasars and low latitude gamma-ray sources
Bosch i Ramon, Valentí
Estels binaris de raigs X
Estels
Vents
Raigs gamma
Astrofísica
X-ray binaries
Stars
Winds
Gamma rays
Astrophysics
title_short High mass microquasars and low latitude gamma-ray sources
title_full High mass microquasars and low latitude gamma-ray sources
title_fullStr High mass microquasars and low latitude gamma-ray sources
title_full_unstemmed High mass microquasars and low latitude gamma-ray sources
title_sort High mass microquasars and low latitude gamma-ray sources
dc.creator.none.fl_str_mv Bosch i Ramon, Valentí
Romero, Gustavo E.
Paredes i Poy, Josep Maria
author Bosch i Ramon, Valentí
author_facet Bosch i Ramon, Valentí
Romero, Gustavo E.
Paredes i Poy, Josep Maria
author_role author
author2 Romero, Gustavo E.
Paredes i Poy, Josep Maria
author2_role author
author
dc.subject.none.fl_str_mv Estels binaris de raigs X
Estels
Vents
Raigs gamma
Astrofísica
X-ray binaries
Stars
Winds
Gamma rays
Astrophysics
topic Estels binaris de raigs X
Estels
Vents
Raigs gamma
Astrofísica
X-ray binaries
Stars
Winds
Gamma rays
Astrophysics
description Population studies of unidentified EGRET sources suggest that there exist at least three different populations of galactic gamma-ray sources. One of these populations is formed by young objects distributed along the galactic plane with a strong concentration toward the inner spiral arms of the Galaxy. Variability, spectral and correlation analysis indicate that this population is not homogeneous. In particular, there is a subgroup of sources that display clear variability in their gamma-ray fluxes on timescales from days to months. Following the proposal by Kaufman Bernad\'o et al. (2002), we suggest that this group of sources might be high-mass microquasars, i.e. accreting black holes or neutron stars with relativistic jets and early-type stellar companions. We present detailed inhomogeneous models for the gamma-ray emission of these systems that include both external and synchrotron self-Compton interactions. We have included effects of interactions between the jet and all external photon fields to which it is exposed: companion star, accretion disk, and hot corona. We make broadband calculations to predict the spectral energy distribution of these objects from radio up to GeV energies. The results and predictions can be tested by present and future gamma-ray instruments like INTEGRAL, AGILE, and GLAST.
publishDate 2005
dc.date.none.fl_str_mv 2005
2013
2013
2013
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/45337
url https://hdl.handle.net/2445/45337
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Versió postprint del document publicat a: http://dx.doi.org/10.1051/0004-6361:20041194
Astronomy and Astrophysics, 2005, vol. 429, num. 1, p. 267-276
http://dx.doi.org/10.1051/0004-6361:20041194
dc.rights.none.fl_str_mv (c) Springer Verlag, 2005
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) Springer Verlag, 2005
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 10 p.
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Springer Verlag
publisher.none.fl_str_mv Springer Verlag
dc.source.none.fl_str_mv Articles publicats en revistes (Física Quàntica i Astrofísica)
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,811543

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