The white-light flare of 1982 June 15: A midchromospheric kernel

We study a third kernel of the white-light flare of 1982 June 15, which presents little continuum emission, and it is not particularly bright in Hα. However, it is the brightest kernel as seen in lines formed in the mid-chromosphere. We find that the energy requirements to sustain this kernel are si...

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Autor principal: Mauas, P.J.D.
Formato: JOUR
Materias:
Sun: atmosphere
Sun: chromosphere
Sun: flares
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0004637X_v414_n2_p928_Mauas
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0004637X_v414_n2_p928_Mauas
record_format dspace
spelling todo:paper_0004637X_v414_n2_p928_Mauas2023-10-03T14:01:36Z The white-light flare of 1982 June 15: A midchromospheric kernel Mauas, P.J.D. Sun: atmosphere Sun: chromosphere Sun: flares We study a third kernel of the white-light flare of 1982 June 15, which presents little continuum emission, and it is not particularly bright in Hα. However, it is the brightest kernel as seen in lines formed in the mid-chromosphere. We find that the energy requirements to sustain this kernel are similar to the ones required for the white-light kernels, but the energy is deposited higher. We find that these requirements are compatible with the energy been deposited by an electron beam with an input energy flux of 2 × 108 ergs cm-2 s-1, a low-energy cutoff of 45 keV and a spectral index δ = 6. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0004637X_v414_n2_p928_Mauas
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Sun: atmosphere
Sun: chromosphere
Sun: flares
spellingShingle Sun: atmosphere
Sun: chromosphere
Sun: flares
Mauas, P.J.D.
The white-light flare of 1982 June 15: A midchromospheric kernel
topic_facet Sun: atmosphere
Sun: chromosphere
Sun: flares
description We study a third kernel of the white-light flare of 1982 June 15, which presents little continuum emission, and it is not particularly bright in Hα. However, it is the brightest kernel as seen in lines formed in the mid-chromosphere. We find that the energy requirements to sustain this kernel are similar to the ones required for the white-light kernels, but the energy is deposited higher. We find that these requirements are compatible with the energy been deposited by an electron beam with an input energy flux of 2 × 108 ergs cm-2 s-1, a low-energy cutoff of 45 keV and a spectral index δ = 6.
format JOUR
author Mauas, P.J.D.
author_facet Mauas, P.J.D.
author_sort Mauas, P.J.D.
title The white-light flare of 1982 June 15: A midchromospheric kernel
title_short The white-light flare of 1982 June 15: A midchromospheric kernel
title_full The white-light flare of 1982 June 15: A midchromospheric kernel
title_fullStr The white-light flare of 1982 June 15: A midchromospheric kernel
title_full_unstemmed The white-light flare of 1982 June 15: A midchromospheric kernel
title_sort white-light flare of 1982 june 15: a midchromospheric kernel
url http://hdl.handle.net/20.500.12110/paper_0004637X_v414_n2_p928_Mauas
work_keys_str_mv AT mauaspjd thewhitelightflareof1982june15amidchromospherickernel
AT mauaspjd whitelightflareof1982june15amidchromospherickernel
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