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
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/22473
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/22473
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling 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 Técnicas2025-10-15T14:20:33Zoai: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:34982025-10-15 14:20:33.442CONICET 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
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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