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Dasso, S.; Mandrini, C.H.; Démoulin, P.; Velli M.; Bruno R.; Malara F. "The Magnetic Helicity of an Interplanetary Hot Flux Rope" (2003) 10th International Solar Wind Conference. 679:786-789
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Abstract:

In the last years, interest in the study of the relationship between the magnetic helicity of solar active regions and the one contained in the interplanetary structures has grown. This has lead us to compute the helicity content of an interplanetary hot tube observed by Wind on October 24-25, 1995, applying three different approaches in cylindrical geometry: a linear force-free field, a constant twist angle, and a non force-free model with constant current. We have fitted the set of free parameters for each of the three models, finding that the determined magnetic helicity values are very similar when using the same orientation for the flux tube. From our point of view, these results imply that, whatever be the model used, magnetic helicity is a well-determined quantity and, thus, it is worth using it to understand the link between solar and interplanetary phenomena. © 2003 American Institute of Physics.

Registro:

Documento: Conferencia
Título:The Magnetic Helicity of an Interplanetary Hot Flux Rope
Autor:Dasso, S.; Mandrini, C.H.; Démoulin, P.; Velli M.; Bruno R.; Malara F.
Filiación:Instituto de Astronomía y Física Del Espacio (IAFE), Buenos Aires, Argentina
Instituto de Ciencias, Universidad de Gral. Sarmiento, Los Polvorines, Buenos Aires, Argentina
Instituto de Astronomía y Física Del Espacio, Buenos Aires, Argentina
Observatoire de Paris, DASOP, France
Palabras clave:Computational geometry; Cylinders (shapes); Solar energy; Solar wind; Constant current; Cylindrical geometry; Force free fields; Free parameters; Magnetic helicity; Solar active regions; Three models; Twist angles; Magnetism
Año:2003
Volumen:679
Página de inicio:786
Página de fin:789
DOI: http://dx.doi.org/10.1063/1.1618710
Título revista:10th International Solar Wind Conference
Título revista abreviado:AIP Conf. Proc.
ISSN:0094243X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v679_n_p786_Dasso

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Citas:

---------- APA ----------
Dasso, S., Mandrini, C.H., Démoulin, P., Velli M., Bruno R. & Malara F. (2003) . The Magnetic Helicity of an Interplanetary Hot Flux Rope. 10th International Solar Wind Conference, 679, 786-789.
http://dx.doi.org/10.1063/1.1618710
---------- CHICAGO ----------
Dasso, S., Mandrini, C.H., Démoulin, P., Velli M., Bruno R., Malara F. "The Magnetic Helicity of an Interplanetary Hot Flux Rope" . 10th International Solar Wind Conference 679 (2003) : 786-789.
http://dx.doi.org/10.1063/1.1618710
---------- MLA ----------
Dasso, S., Mandrini, C.H., Démoulin, P., Velli M., Bruno R., Malara F. "The Magnetic Helicity of an Interplanetary Hot Flux Rope" . 10th International Solar Wind Conference, vol. 679, 2003, pp. 786-789.
http://dx.doi.org/10.1063/1.1618710
---------- VANCOUVER ----------
Dasso, S., Mandrini, C.H., Démoulin, P., Velli M., Bruno R., Malara F. The Magnetic Helicity of an Interplanetary Hot Flux Rope. AIP Conf. Proc. 2003;679:786-789.
http://dx.doi.org/10.1063/1.1618710