Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303
Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303....
| Authors: | , , , , , , , , , , , , , , , , , , , |
|---|---|
| Format: | article |
| Status: | Versión aceptada para publicación |
| Publication Date: | 2006 |
| Country: | España |
| Institution: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repository: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/45325 |
| Online Access: | https://hdl.handle.net/2445/45325 |
| Access Level: | Open access |
| Keyword: | Quàsars Estels binaris Radioastronomia Raigs còsmics Jets (Astrofísica) Astronomia de raigs gamma Astrofísica Quasars Double stars Radio astronomy Cosmic rays Astrophysical jets Gamma ray astronomy Astrophysics |
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Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303Albert, J.Aliu, E.Armada, A.Bordas Coma, PolBosch i Ramon, ValentíCortina Blanco, JuanDomingo Santamaría, EvaErrando, M.Fernández, EnriqueFirpo, R.Flix, J.López, J.Martinez, ManuelMoralejo, AbelardoOña-Wilhelmi, Emma deParedes i Poy, Josep MariaRibó Gomis, MarcSidro Martín, NúriaTescaro, DiegoZapatero, J.QuàsarsEstels binarisRadioastronomiaRaigs còsmicsJets (Astrofísica)Astronomia de raigs gammaAstrofísicaQuasarsDouble starsRadio astronomyCosmic raysAstrophysical jetsGamma ray astronomyAstrophysicsMicroquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detections occur at a similar orbital phase, which suggests that the emission is periodic. The strongest gamma-ray emission is not observed when the two stars are closest to one another, implying a strong orbital modulation of the emission or absorption processes.American Association for the Advancement of Science2013201320062013info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersion11 p.application/pdfapplication/pdfhttps://hdl.handle.net/2445/45325Articles 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/10.1126/science.1128177Science, 2006, vol. 312, num. 5781, p. 1771-1773http://dx.doi.org/10.1126/science.1128177(c) Albert, J. et al., 2006info:eu-repo/semantics/openAccessoai:recercat.cat:2445/453252026-05-29T05:05:01Z |
| dc.title.none.fl_str_mv |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| title |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| spellingShingle |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 Albert, J. Quàsars Estels binaris Radioastronomia Raigs còsmics Jets (Astrofísica) Astronomia de raigs gamma Astrofísica Quasars Double stars Radio astronomy Cosmic rays Astrophysical jets Gamma ray astronomy Astrophysics |
| title_short |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| title_full |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| title_fullStr |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| title_full_unstemmed |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| title_sort |
Variable Very-High-Energy Gamma-Ray Emission from the Microquasar LS I +61 303 |
| dc.creator.none.fl_str_mv |
Albert, J. Aliu, E. Armada, A. Bordas Coma, Pol Bosch i Ramon, Valentí Cortina Blanco, Juan Domingo Santamaría, Eva Errando, M. Fernández, Enrique Firpo, R. Flix, J. López, J. Martinez, Manuel Moralejo, Abelardo Oña-Wilhelmi, Emma de Paredes i Poy, Josep Maria Ribó Gomis, Marc Sidro Martín, Núria Tescaro, Diego Zapatero, J. |
| author |
Albert, J. |
| author_facet |
Albert, J. Aliu, E. Armada, A. Bordas Coma, Pol Bosch i Ramon, Valentí Cortina Blanco, Juan Domingo Santamaría, Eva Errando, M. Fernández, Enrique Firpo, R. Flix, J. López, J. Martinez, Manuel Moralejo, Abelardo Oña-Wilhelmi, Emma de Paredes i Poy, Josep Maria Ribó Gomis, Marc Sidro Martín, Núria Tescaro, Diego Zapatero, J. |
| author_role |
author |
| author2 |
Aliu, E. Armada, A. Bordas Coma, Pol Bosch i Ramon, Valentí Cortina Blanco, Juan Domingo Santamaría, Eva Errando, M. Fernández, Enrique Firpo, R. Flix, J. López, J. Martinez, Manuel Moralejo, Abelardo Oña-Wilhelmi, Emma de Paredes i Poy, Josep Maria Ribó Gomis, Marc Sidro Martín, Núria Tescaro, Diego Zapatero, J. |
| author2_role |
author author author author author author author author author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Quàsars Estels binaris Radioastronomia Raigs còsmics Jets (Astrofísica) Astronomia de raigs gamma Astrofísica Quasars Double stars Radio astronomy Cosmic rays Astrophysical jets Gamma ray astronomy Astrophysics |
| topic |
Quàsars Estels binaris Radioastronomia Raigs còsmics Jets (Astrofísica) Astronomia de raigs gamma Astrofísica Quasars Double stars Radio astronomy Cosmic rays Astrophysical jets Gamma ray astronomy Astrophysics |
| description |
Microquasars are binary star systems with relativistic radio-emitting jets. They are potential sources of cosmic rays and can be used to elucidate the physics of relativistic jets. We report the detection of variable gamma-ray emission above 100 gigaelectron volts from the microquasar LS I 61 + 303. Six orbital cycles were recorded. Several detections occur at a similar orbital phase, which suggests that the emission is periodic. The strongest gamma-ray emission is not observed when the two stars are closest to one another, implying a strong orbital modulation of the emission or absorption processes. |
| publishDate |
2006 |
| dc.date.none.fl_str_mv |
2006 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/2445/45325 |
| url |
https://hdl.handle.net/2445/45325 |
| 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/10.1126/science.1128177 Science, 2006, vol. 312, num. 5781, p. 1771-1773 http://dx.doi.org/10.1126/science.1128177 |
| dc.rights.none.fl_str_mv |
(c) Albert, J. et al., 2006 info:eu-repo/semantics/openAccess |
| rights_invalid_str_mv |
(c) Albert, J. et al., 2006 |
| eu_rights_str_mv |
openAccess |
| dc.format.none.fl_str_mv |
11 p. application/pdf application/pdf |
| dc.publisher.none.fl_str_mv |
American Association for the Advancement of Science |
| publisher.none.fl_str_mv |
American Association for the Advancement of Science |
| 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 |
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1869413351645249536 |
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15,812455 |