A Burst with Double Radio Spectrum Observed up to 212 GHz
- Autores
- Gimenez de Castro, C. G.; Cristiani, Germán Diego; Simoes, P. J. A.; Mandrini, Cristina Hemilse; Correia, E.; Kaufmann, P.
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We study a solar flare that occurred on 10 September 2002, in active region NOAA 10105, starting around 14:52 UT and lasting approximately 5 minutes in the radio range. The event was classified as M2.9 in X-rays and 1N in Hα. Solar Submillimeter Telescope observations, in addition to microwave data, give a good spectral coverage between 1.415 and 212 GHz. We combine these data with ultraviolet images, hard and soft X-ray observations, and full-disk magnetograms. Images obtained from Ramaty High Energy Solar Spectroscopic Imager data are used to identify the locations of X-ray sources at different energies, and to determine the X-ray spectrum, while ultraviolet images allow us to characterize the coronal flaring region. The magnetic field evolution of the active region is analyzed using Michelson Doppler Imager magnetograms. The burst is detected at all available radio frequencies. X-ray images (between 12 keV and 300 keV) reveal two compact sources. In the 212 GHz data, which are used to estimate the radio-source position, a single compact source is seen, displaced by 25″ from one of the hard X-ray footpoints. We model the radio spectra using two homogeneous sources, and we combine this analysis with that of hard X-rays to understand the dynamics of the accelerated particles. Relativistic particles, observed at radio wavelengths above 50 GHz, have an electron index evolving with the typical soft–hard–soft behavior.
Fil: Gimenez de Castro, C. G.. CRAAM, Universidade Presbiteriana Mackenzie; Brasil. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Cristiani, Germán Diego. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Simoes, P. J. A.. University Of Glasgow; Reino Unido
Fil: Mandrini, Cristina Hemilse. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
Fil: Correia, E.. Universidade Presbiteriana Mackenzie; Brasil. Centro de Previsao de Tempo e Estudos Climaticos. Instituto Nacional de Pesquisas Espaciais; Brasil
Fil: Kaufmann, P.. Universidade Presbiteriana Mackenzie; Brasil. Universidade Estadual de Campinas; Brasil - Materia
-
Radio Bursts, Association with Flares
Microwave Bursts
X-Ray Bursts
Flares, Relation to Magnetic Fields
Chromosphere, Active - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/17087
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A Burst with Double Radio Spectrum Observed up to 212 GHzGimenez de Castro, C. G.Cristiani, Germán DiegoSimoes, P. J. A.Mandrini, Cristina HemilseCorreia, E.Kaufmann, P.Radio Bursts, Association with FlaresMicrowave BurstsX-Ray BurstsFlares, Relation to Magnetic FieldsChromosphere, Activehttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We study a solar flare that occurred on 10 September 2002, in active region NOAA 10105, starting around 14:52 UT and lasting approximately 5 minutes in the radio range. The event was classified as M2.9 in X-rays and 1N in Hα. Solar Submillimeter Telescope observations, in addition to microwave data, give a good spectral coverage between 1.415 and 212 GHz. We combine these data with ultraviolet images, hard and soft X-ray observations, and full-disk magnetograms. Images obtained from Ramaty High Energy Solar Spectroscopic Imager data are used to identify the locations of X-ray sources at different energies, and to determine the X-ray spectrum, while ultraviolet images allow us to characterize the coronal flaring region. The magnetic field evolution of the active region is analyzed using Michelson Doppler Imager magnetograms. The burst is detected at all available radio frequencies. X-ray images (between 12 keV and 300 keV) reveal two compact sources. In the 212 GHz data, which are used to estimate the radio-source position, a single compact source is seen, displaced by 25″ from one of the hard X-ray footpoints. We model the radio spectra using two homogeneous sources, and we combine this analysis with that of hard X-rays to understand the dynamics of the accelerated particles. Relativistic particles, observed at radio wavelengths above 50 GHz, have an electron index evolving with the typical soft–hard–soft behavior.Fil: Gimenez de Castro, C. G.. CRAAM, Universidade Presbiteriana Mackenzie; Brasil. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; ArgentinaFil: Cristiani, Germán Diego. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; ArgentinaFil: Simoes, P. J. A.. University Of Glasgow; Reino UnidoFil: Mandrini, Cristina Hemilse. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; ArgentinaFil: Correia, E.. Universidade Presbiteriana Mackenzie; Brasil. Centro de Previsao de Tempo e Estudos Climaticos. Instituto Nacional de Pesquisas Espaciais; BrasilFil: Kaufmann, P.. Universidade Presbiteriana Mackenzie; Brasil. Universidade Estadual de Campinas; BrasilSpringer2013-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/17087Gimenez de Castro, C. G.; Cristiani, Germán Diego; Simoes, P. J. A.; Mandrini, Cristina Hemilse; Correia, E.; et al.; A Burst with Double Radio Spectrum Observed up to 212 GHz; Springer; Solar Physics; 284; 2; 6-2013; 541-5580038-0938enginfo:eu-repo/semantics/altIdentifier/doi/10.1007/s11207-012-0173-8info:eu-repo/semantics/altIdentifier/arxiv/https://arxiv.org/abs/1208.5904info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs11207-012-0173-8info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:36:21Zoai:ri.conicet.gov.ar:11336/17087instacron: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 09:36:22.154CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
title |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
spellingShingle |
A Burst with Double Radio Spectrum Observed up to 212 GHz Gimenez de Castro, C. G. Radio Bursts, Association with Flares Microwave Bursts X-Ray Bursts Flares, Relation to Magnetic Fields Chromosphere, Active |
title_short |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
title_full |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
title_fullStr |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
title_full_unstemmed |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
title_sort |
A Burst with Double Radio Spectrum Observed up to 212 GHz |
dc.creator.none.fl_str_mv |
Gimenez de Castro, C. G. Cristiani, Germán Diego Simoes, P. J. A. Mandrini, Cristina Hemilse Correia, E. Kaufmann, P. |
author |
Gimenez de Castro, C. G. |
author_facet |
Gimenez de Castro, C. G. Cristiani, Germán Diego Simoes, P. J. A. Mandrini, Cristina Hemilse Correia, E. Kaufmann, P. |
author_role |
author |
author2 |
Cristiani, Germán Diego Simoes, P. J. A. Mandrini, Cristina Hemilse Correia, E. Kaufmann, P. |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Radio Bursts, Association with Flares Microwave Bursts X-Ray Bursts Flares, Relation to Magnetic Fields Chromosphere, Active |
topic |
Radio Bursts, Association with Flares Microwave Bursts X-Ray Bursts Flares, Relation to Magnetic Fields Chromosphere, Active |
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 study a solar flare that occurred on 10 September 2002, in active region NOAA 10105, starting around 14:52 UT and lasting approximately 5 minutes in the radio range. The event was classified as M2.9 in X-rays and 1N in Hα. Solar Submillimeter Telescope observations, in addition to microwave data, give a good spectral coverage between 1.415 and 212 GHz. We combine these data with ultraviolet images, hard and soft X-ray observations, and full-disk magnetograms. Images obtained from Ramaty High Energy Solar Spectroscopic Imager data are used to identify the locations of X-ray sources at different energies, and to determine the X-ray spectrum, while ultraviolet images allow us to characterize the coronal flaring region. The magnetic field evolution of the active region is analyzed using Michelson Doppler Imager magnetograms. The burst is detected at all available radio frequencies. X-ray images (between 12 keV and 300 keV) reveal two compact sources. In the 212 GHz data, which are used to estimate the radio-source position, a single compact source is seen, displaced by 25″ from one of the hard X-ray footpoints. We model the radio spectra using two homogeneous sources, and we combine this analysis with that of hard X-rays to understand the dynamics of the accelerated particles. Relativistic particles, observed at radio wavelengths above 50 GHz, have an electron index evolving with the typical soft–hard–soft behavior. Fil: Gimenez de Castro, C. G.. CRAAM, Universidade Presbiteriana Mackenzie; Brasil. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina Fil: Cristiani, Germán Diego. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina Fil: Simoes, P. J. A.. University Of Glasgow; Reino Unido Fil: Mandrini, Cristina Hemilse. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina Fil: Correia, E.. Universidade Presbiteriana Mackenzie; Brasil. Centro de Previsao de Tempo e Estudos Climaticos. Instituto Nacional de Pesquisas Espaciais; Brasil Fil: Kaufmann, P.. Universidade Presbiteriana Mackenzie; Brasil. Universidade Estadual de Campinas; Brasil |
description |
We study a solar flare that occurred on 10 September 2002, in active region NOAA 10105, starting around 14:52 UT and lasting approximately 5 minutes in the radio range. The event was classified as M2.9 in X-rays and 1N in Hα. Solar Submillimeter Telescope observations, in addition to microwave data, give a good spectral coverage between 1.415 and 212 GHz. We combine these data with ultraviolet images, hard and soft X-ray observations, and full-disk magnetograms. Images obtained from Ramaty High Energy Solar Spectroscopic Imager data are used to identify the locations of X-ray sources at different energies, and to determine the X-ray spectrum, while ultraviolet images allow us to characterize the coronal flaring region. The magnetic field evolution of the active region is analyzed using Michelson Doppler Imager magnetograms. The burst is detected at all available radio frequencies. X-ray images (between 12 keV and 300 keV) reveal two compact sources. In the 212 GHz data, which are used to estimate the radio-source position, a single compact source is seen, displaced by 25″ from one of the hard X-ray footpoints. We model the radio spectra using two homogeneous sources, and we combine this analysis with that of hard X-rays to understand the dynamics of the accelerated particles. Relativistic particles, observed at radio wavelengths above 50 GHz, have an electron index evolving with the typical soft–hard–soft behavior. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/17087 Gimenez de Castro, C. G.; Cristiani, Germán Diego; Simoes, P. J. A.; Mandrini, Cristina Hemilse; Correia, E.; et al.; A Burst with Double Radio Spectrum Observed up to 212 GHz; Springer; Solar Physics; 284; 2; 6-2013; 541-558 0038-0938 |
url |
http://hdl.handle.net/11336/17087 |
identifier_str_mv |
Gimenez de Castro, C. G.; Cristiani, Germán Diego; Simoes, P. J. A.; Mandrini, Cristina Hemilse; Correia, E.; et al.; A Burst with Double Radio Spectrum Observed up to 212 GHz; Springer; Solar Physics; 284; 2; 6-2013; 541-558 0038-0938 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s11207-012-0173-8 info:eu-repo/semantics/altIdentifier/arxiv/https://arxiv.org/abs/1208.5904 info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs11207-012-0173-8 |
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/ |
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application/pdf application/pdf application/pdf application/pdf |
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Springer |
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Springer |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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