Observational support of reconnection in solar flares
We present a detailed analysis of the magnetic topology of flaring active region. The Hα kernels are found to be located at the intersection of the separatrices with the chromosphere when the shear, deduced from the fibrils or/and transverse magnetic field direction, is taken into account. We show t...
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1994
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00386308_v68_n1-4_p129_Demoulin http://hdl.handle.net/20.500.12110/paper_00386308_v68_n1-4_p129_Demoulin |
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paper:paper_00386308_v68_n1-4_p129_Demoulin2023-06-08T15:03:06Z Observational support of reconnection in solar flares Flares Magnetic Fields Reconnection We present a detailed analysis of the magnetic topology of flaring active region. The Hα kernels are found to be located at the intersection of the separatrices with the chromosphere when the shear, deduced from the fibrils or/and transverse magnetic field direction, is taken into account. We show that the kernels are magnetically connected by field lines passing close to the separator. We confirm, for other flares, previous studies which show that photospheric current concentrations are located at the borders of flare ribbons. Moreover we found two photospheric current concentrations of opposite sign, linked in the corona by field lines which follow separatrices. These give evidence that magnetic energy is released by reconnection processes in solar flares. © 1994 Kluwer Academic Publishers. 1994 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00386308_v68_n1-4_p129_Demoulin http://hdl.handle.net/20.500.12110/paper_00386308_v68_n1-4_p129_Demoulin |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Flares Magnetic Fields Reconnection |
spellingShingle |
Flares Magnetic Fields Reconnection Observational support of reconnection in solar flares |
topic_facet |
Flares Magnetic Fields Reconnection |
description |
We present a detailed analysis of the magnetic topology of flaring active region. The Hα kernels are found to be located at the intersection of the separatrices with the chromosphere when the shear, deduced from the fibrils or/and transverse magnetic field direction, is taken into account. We show that the kernels are magnetically connected by field lines passing close to the separator. We confirm, for other flares, previous studies which show that photospheric current concentrations are located at the borders of flare ribbons. Moreover we found two photospheric current concentrations of opposite sign, linked in the corona by field lines which follow separatrices. These give evidence that magnetic energy is released by reconnection processes in solar flares. © 1994 Kluwer Academic Publishers. |
title |
Observational support of reconnection in solar flares |
title_short |
Observational support of reconnection in solar flares |
title_full |
Observational support of reconnection in solar flares |
title_fullStr |
Observational support of reconnection in solar flares |
title_full_unstemmed |
Observational support of reconnection in solar flares |
title_sort |
observational support of reconnection in solar flares |
publishDate |
1994 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00386308_v68_n1-4_p129_Demoulin http://hdl.handle.net/20.500.12110/paper_00386308_v68_n1-4_p129_Demoulin |
_version_ |
1768542979371302912 |