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dc.contributor.author
Kaufmann, P.
dc.contributor.author
White, S. M.
dc.contributor.author
Freeland, S. L.
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Marcon, R.
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Fernandes, L. O. T
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Kudaka, A. S.
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de Souza, R. V.
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Aballay, Jose Luis
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Fernandez, German Enzo Leonel
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Godoy, Rodolfo Alfredo
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Marun, Adolfo Hector
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Valio, A.
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Raulin, J. P.
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Gimenez de Castro, Carlos Guillermo
dc.date.available
2015-08-12T13:09:18Z
dc.date.issued
2013-04-23
dc.identifier.citation
Kaufmann, P.; White, S. M.; Freeland, S. L.; Marcon, R.; Fernandes, L. O. T; et al.; A Bright Impulsive Solar Burst Detected at 30 Thz; IOP Publishing; Astrophysical Journal; 768; 2; 23-4-2013; 1-9
dc.identifier.issn
0004-637X
dc.identifier.issn
1538-4357
dc.identifier.uri
http://hdl.handle.net/11336/1634
dc.description.abstract
Ground- and space-based observations of solar flares from radio wavelengths to gamma-rays have produced considerable insights but raised several unsolved controversies. The last unexplored wavelength frontier for solar flares is in the range of submillimeter and infrared wavelengths. Here we report the detection of an intense impulsive burst at 30 THz using a new imaging system. The 30 THz emission exhibited remarkable time coincidence with peaks observed at microwave, mm/submm, visible, EUV, and hard X-ray wavelengths. The emission location coincides with a very weak white-light feature, and is consistent with heating below the temperature minimum in the atmosphere. However, there are problems in attributing the heating to accelerated electrons. The peak 30 THz flux is several times larger than the usual microwave peak near 9 GHz, attributed to non-thermal electrons in the corona. The 30 THz emission could be consistent with an optically thick spectrum increasing from low to high frequencies. It might be part of the same spectral component found at sub-THz frequencies whose nature remains mysterious. Further observations at these wavelengths will provide a new window for flare studies.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
IOP Publishing
dc.relation
http://iopscience.iop.org/0004-637X/768/2/134/pdf/0004-637X_768_2_134.pdf
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Solar Activity
dc.subject
Sun Flares
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X-Rays
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Gamma Rays
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Infrared
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
A Bright Impulsive Solar Burst Detected at 30 Thz
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
768
dc.journal.number
2
dc.journal.pagination
1-9
dc.journal.pais
Reino Unido
dc.journal.ciudad
Bristol
dc.conicet.avisoEditorial
This article contains IOP information made available under a CC BY 3.0 licence
dc.description.fil
Fil: Kaufmann, P.. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil; . University of Campinas. Center of Semiconductor Components; Brasil;
dc.description.fil
Fil: White, S. M.. Space Vehicles Directorate. Air Force Research Laboratories; Estados Unidos;
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Fil: Freeland, S. L.. Lockheed Martin Solar and Astrophysics Laboratory; Estados Unidos;
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Fil: Marcon, R.. State University of Campinas. “Gleb Wataghin; . “Bernard Lyot” Solar Observatory; Brasil;
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Fil: Fernandes, L. O. T. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
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Fil: Kudaka, A. S.. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
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Fil: de Souza, R. V.. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
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Fil: Aballay, Jose Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - San Juan. Complejo Astronómico; Argentina
dc.description.fil
Fil: Fernandez, German Enzo Leonel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - San Juan. Complejo Astronómico; Argentina
dc.description.fil
Fil: Godoy, Rodolfo Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - San Juan. Complejo Astronómico; Argentina
dc.description.fil
Fil: Marun, Adolfo Hector. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET - San Juan. Complejo Astronómico; Argentina
dc.description.fil
Fil: Valio, A.. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
dc.description.fil
Fil: Raulin, J. P.. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
dc.description.fil
Fil: Gimenez de Castro, Carlos Guillermo. Universidade Presbiteriana Mackenzie. Escola de Engenharia. Centro de Radio Astronomia e Astrofisica; Brasil;
dc.journal.title
Astrophysical Journal
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/0004-637X/768/2/134/pdf/0004-637X_768_2_134.pdf
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://arxiv.org/abs/1303.5894
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/doi:10.1088/0004-637X/768/2/134


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