Rapid Submillimeter Brightenings Associated with a Large Solar Flare
- Autores
- Kaufmann, Pierre; Raulin, J. P; Correia, E.; Costa, J. E. R.; Giménez de Castro, C. G.; Silva, A. V. R.; Levato, Orlando Hugo; Rovira, Marta Graciela; Mandrini, Cristina Hemilse; Fernández Borda, R.; Bauer, O. H.
- Año de publicación
- 2001
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We present high time resolution observations of Active Region 8910 obtained simultaneously at 212 and 405 GHz during a large Hα flare, which produced a soft X-ray class X1.1 event. Data were obtained with the new solar submillimeter telescope recently installed at the El Leoncito Observatory to explore this poorly known part of the solar emission spectrum. A small slow submillimeter enhancement (≤300 sfu) was associated to bulk emissions at X-rays, Hα, and microwaves. The event exhibited numerous submillimeter-wave 100-300 ms duration spikes, the larger ones with fluxes on the order of 220 and 500 sfu (±20%) at 212 and 405 GHz, respectively. A dramatic increase in the incidence rate of submillimeter spikes sets in as a new large loop system appears in AR 8910, and X-ray emission increases nearly 1 hr before the large flare. The brightening incidence rate (~20 per minute) correlates well with the large flare light curves at X-rays and Hα. The submillimeter spikes may be associated to microflares, waves, or quakes in flaring active regions.
Fil: Kaufmann, Pierre. Universidade Presbiteriana Mackenzie; Brasil
Fil: Raulin, J. P. Universidade Presbiteriana Mackenzie; Brasil
Fil: Correia, E.. Universidade Presbiteriana Mackenzie; Brasil
Fil: Costa, J. E. R.. Universidade Presbiteriana Mackenzie; Brasil
Fil: Giménez de Castro, C. G.. Universidade Presbiteriana Mackenzie; Brasil
Fil: Silva, A. V. R.. Universidade Presbiteriana Mackenzie; Brasil
Fil: Levato, Orlando Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "el Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "el Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "el Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "el Leoncito"; Argentina
Fil: Rovira, Marta Graciela. 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: 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: Fernández Borda, R.. 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: Bauer, O. H.. Max PlanckInstitut fur extraterrestrische Physik,; Alemania - Materia
-
Solar Flares
Solar Radio Radiation - 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:11336/22473
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Rapid Submillimeter Brightenings Associated with a Large Solar FlareKaufmann, PierreRaulin, J. PCorreia, E.Costa, J. E. R.Giménez de Castro, C. G.Silva, A. V. R.Levato, Orlando HugoRovira, Marta GracielaMandrini, Cristina HemilseFernández Borda, R.Bauer, O. H.Solar FlaresSolar Radio Radiationhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1We present high time resolution observations of Active Region 8910 obtained simultaneously at 212 and 405 GHz during a large Hα flare, which produced a soft X-ray class X1.1 event. Data were obtained with the new solar submillimeter telescope recently installed at the El Leoncito Observatory to explore this poorly known part of the solar emission spectrum. A small slow submillimeter enhancement (≤300 sfu) was associated to bulk emissions at X-rays, Hα, and microwaves. The event exhibited numerous submillimeter-wave 100-300 ms duration spikes, the larger ones with fluxes on the order of 220 and 500 sfu (±20%) at 212 and 405 GHz, respectively. A dramatic increase in the incidence rate of submillimeter spikes sets in as a new large loop system appears in AR 8910, and X-ray emission increases nearly 1 hr before the large flare. The brightening incidence rate (~20 per minute) correlates well with the large flare light curves at X-rays and Hα. The submillimeter spikes may be associated to microflares, waves, or quakes in flaring active regions.Fil: Kaufmann, Pierre. Universidade Presbiteriana Mackenzie; BrasilFil: Raulin, J. P. Universidade Presbiteriana Mackenzie; BrasilFil: Correia, E.. Universidade Presbiteriana Mackenzie; BrasilFil: Costa, J. E. R.. Universidade Presbiteriana Mackenzie; BrasilFil: Giménez de Castro, C. G.. Universidade Presbiteriana Mackenzie; BrasilFil: Silva, A. V. R.. Universidade Presbiteriana Mackenzie; BrasilFil: Levato, Orlando Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "el Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "el Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "el Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "el Leoncito"; ArgentinaFil: Rovira, Marta Graciela. 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: 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: Fernández Borda, R.. 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: Bauer, O. H.. Max PlanckInstitut fur extraterrestrische Physik,; AlemaniaIOP Publishing2001-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/22473Kaufmann, Pierre; Raulin, J. P; Correia, E.; Costa, J. E. R.; Giménez de Castro, C. G.; et al.; Rapid Submillimeter Brightenings Associated with a Large Solar Flare; IOP Publishing; Astrophysical Journal; 548; 1; 2-2001; L95-L980004-637XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/article/10.1086/318932info:eu-repo/semantics/altIdentifier/doi/10.1086/318932info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:32:37Zoai:ri.conicet.gov.ar:11336/22473instacron: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 09:32:37.627CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
title |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
spellingShingle |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare Kaufmann, Pierre Solar Flares Solar Radio Radiation |
title_short |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
title_full |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
title_fullStr |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
title_full_unstemmed |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
title_sort |
Rapid Submillimeter Brightenings Associated with a Large Solar Flare |
dc.creator.none.fl_str_mv |
Kaufmann, Pierre Raulin, J. P Correia, E. Costa, J. E. R. Giménez de Castro, C. G. Silva, A. V. R. Levato, Orlando Hugo Rovira, Marta Graciela Mandrini, Cristina Hemilse Fernández Borda, R. Bauer, O. H. |
author |
Kaufmann, Pierre |
author_facet |
Kaufmann, Pierre Raulin, J. P Correia, E. Costa, J. E. R. Giménez de Castro, C. G. Silva, A. V. R. Levato, Orlando Hugo Rovira, Marta Graciela Mandrini, Cristina Hemilse Fernández Borda, R. Bauer, O. H. |
author_role |
author |
author2 |
Raulin, J. P Correia, E. Costa, J. E. R. Giménez de Castro, C. G. Silva, A. V. R. Levato, Orlando Hugo Rovira, Marta Graciela Mandrini, Cristina Hemilse Fernández Borda, R. Bauer, O. H. |
author2_role |
author author author author author author author author author author |
dc.subject.none.fl_str_mv |
Solar Flares Solar Radio Radiation |
topic |
Solar Flares Solar Radio Radiation |
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 present high time resolution observations of Active Region 8910 obtained simultaneously at 212 and 405 GHz during a large Hα flare, which produced a soft X-ray class X1.1 event. Data were obtained with the new solar submillimeter telescope recently installed at the El Leoncito Observatory to explore this poorly known part of the solar emission spectrum. A small slow submillimeter enhancement (≤300 sfu) was associated to bulk emissions at X-rays, Hα, and microwaves. The event exhibited numerous submillimeter-wave 100-300 ms duration spikes, the larger ones with fluxes on the order of 220 and 500 sfu (±20%) at 212 and 405 GHz, respectively. A dramatic increase in the incidence rate of submillimeter spikes sets in as a new large loop system appears in AR 8910, and X-ray emission increases nearly 1 hr before the large flare. The brightening incidence rate (~20 per minute) correlates well with the large flare light curves at X-rays and Hα. The submillimeter spikes may be associated to microflares, waves, or quakes in flaring active regions. Fil: Kaufmann, Pierre. Universidade Presbiteriana Mackenzie; Brasil Fil: Raulin, J. P. Universidade Presbiteriana Mackenzie; Brasil Fil: Correia, E.. Universidade Presbiteriana Mackenzie; Brasil Fil: Costa, J. E. R.. Universidade Presbiteriana Mackenzie; Brasil Fil: Giménez de Castro, C. G.. Universidade Presbiteriana Mackenzie; Brasil Fil: Silva, A. V. R.. Universidade Presbiteriana Mackenzie; Brasil Fil: Levato, Orlando Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "el Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "el Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "el Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "el Leoncito"; Argentina Fil: Rovira, Marta Graciela. 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: 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: Fernández Borda, R.. 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: Bauer, O. H.. Max PlanckInstitut fur extraterrestrische Physik,; Alemania |
description |
We present high time resolution observations of Active Region 8910 obtained simultaneously at 212 and 405 GHz during a large Hα flare, which produced a soft X-ray class X1.1 event. Data were obtained with the new solar submillimeter telescope recently installed at the El Leoncito Observatory to explore this poorly known part of the solar emission spectrum. A small slow submillimeter enhancement (≤300 sfu) was associated to bulk emissions at X-rays, Hα, and microwaves. The event exhibited numerous submillimeter-wave 100-300 ms duration spikes, the larger ones with fluxes on the order of 220 and 500 sfu (±20%) at 212 and 405 GHz, respectively. A dramatic increase in the incidence rate of submillimeter spikes sets in as a new large loop system appears in AR 8910, and X-ray emission increases nearly 1 hr before the large flare. The brightening incidence rate (~20 per minute) correlates well with the large flare light curves at X-rays and Hα. The submillimeter spikes may be associated to microflares, waves, or quakes in flaring active regions. |
publishDate |
2001 |
dc.date.none.fl_str_mv |
2001-02 |
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/11336/22473 Kaufmann, Pierre; Raulin, J. P; Correia, E.; Costa, J. E. R.; Giménez de Castro, C. G.; et al.; Rapid Submillimeter Brightenings Associated with a Large Solar Flare; IOP Publishing; Astrophysical Journal; 548; 1; 2-2001; L95-L98 0004-637X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/22473 |
identifier_str_mv |
Kaufmann, Pierre; Raulin, J. P; Correia, E.; Costa, J. E. R.; Giménez de Castro, C. G.; et al.; Rapid Submillimeter Brightenings Associated with a Large Solar Flare; IOP Publishing; Astrophysical Journal; 548; 1; 2-2001; L95-L98 0004-637X 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://iopscience.iop.org/article/10.1086/318932 info:eu-repo/semantics/altIdentifier/doi/10.1086/318932 |
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.publisher.none.fl_str_mv |
IOP Publishing |
publisher.none.fl_str_mv |
IOP Publishing |
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 |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844612996598333440 |
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13.070432 |