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dc.contributor.author
Araudo, Anabella Teresa
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dc.contributor.author
Bosch Ramon, Valenti
dc.contributor.author
Romero, Gustavo Esteban
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dc.date.available
2016-07-04T13:51:33Z
dc.date.issued
2010-05
dc.identifier.citation
Araudo, Anabella Teresa; Bosch Ramon, Valenti; Romero, Gustavo Esteban; High-energy flares from jet-clump interactions; Astronomical Society of the Pacific; ASP Conference Series; 422; 5-2010; 32-40
dc.identifier.issn
0004-6280
dc.identifier.uri
http://hdl.handle.net/11336/6316
dc.description.abstract
High-mass microquasars are binary systems composed by a massive star and a compact object from which relativistic jets are launched. Regarding the companion star, observational evidence supports the idea that winds of hot stars are formed by clumps. Then, these inhomogeneities may interact with the jets producing a flaring activity. In the present contribution we study the interaction between a jet and a clump of the stellar wind in a high-mass microquasar. This interaction produces a shock in the jet, where particles may be accelerated up to relativistic energies. We calculate the spectral energy distributions of the dominant non-thermal processes: synchrotron radiation, inverse Compton scattering, and proton-proton collisions. Significant levels of X- and γ-ray emission are predicted, with luminosities in the different domains up to ∼1034–1035 erg s-1 on a timescale of about ∼1 h. Finally, jet-clump interactions in high-mass microquasars could be detectable at high energies. These phenomena may be behind the fast TeV variability found in some high-mass X-ray binary systems, such as Cygnus X-1, LS 5039 and LS I+61 303. In addition, our model can help to derive information on the properties of jets and clumpy winds.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Astronomical Society of the Pacific
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Flares
dc.subject
Microquasars
dc.subject
Binary Systems
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
High-energy flares from jet-clump interactions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-06-15T19:20:20Z
dc.journal.volume
422
dc.journal.pagination
32-40
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Araudo, Anabella Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto Argentino de Radioastronomia (i); Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
dc.description.fil
Fil: Bosch Ramon, Valenti. Max Planck Institut fur Kernphysik, Heidelberg; Alemania
dc.description.fil
Fil: Romero, Gustavo Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Instituto Argentino de Radioastronomia (i); Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas; Argentina
dc.journal.title
ASP Conference Series
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.aspbooks.org/a/volumes/article_details/?paper_id=31055
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/0908.0933v1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/arxiv/0908.0933v1
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