Magnetic clouds seen at different locations in the heliosphere

We analyze two magnetic clouds (MCs) observed in different points of the heliosphere. The main aim of the present study is to provide a link between the different aspects of this phenomenon, starting with information on the origins of the MCs at the Sun and following by the analysis of in-situ obser...

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Detalles Bibliográficos
Autores principales:	Dasso, Sergio Ricardo, Mandrini, Cristina Hemilse
Publicado:	2008
Materias:	cloud magnetic field plasma solar activity
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09927689_v26_n2_p213_Rodriguez http://hdl.handle.net/20.500.12110/paper_09927689_v26_n2_p213_Rodriguez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_09927689_v26_n2_p213_Rodriguez
record_format	dspace
spelling	paper:paper_09927689_v26_n2_p213_Rodriguez2023-06-08T15:59:17Z Magnetic clouds seen at different locations in the heliosphere Dasso, Sergio Ricardo Mandrini, Cristina Hemilse cloud magnetic field plasma solar activity We analyze two magnetic clouds (MCs) observed in different points of the heliosphere. The main aim of the present study is to provide a link between the different aspects of this phenomenon, starting with information on the origins of the MCs at the Sun and following by the analysis of in-situ observations at 1 AU and at Ulysses. The candidate source regions were identified in SOHO/EIT and SOHO/MDI observations. They were correlated with H-± images that were obtained from ground-based observatories. Hints on the internal magnetic field configuration of the associated coronal mass ejections are obtained from LASCO C2 images. In interplanetary space, magnetic and plasma moments of the distribution function of plasma species (ACE/Ulysses) were analyzed together with information on the plasma composition, and the results were compared between both spacecraft in order to understand how these structures interact and evolve in their cruise from the Sun to 5 AU. Additionally, estimates of global magnitudes of magnetic fluxes and helicity were obtained from magnetic field models applied to the data in interplanetary space. We have found that these magnetic characteristics were well kept from their solar source, up to 5 AU where Ulysses provided valuable information which, together with that obtained from ACE, can help to reinforce the correct matching of solar events and their interplanetary counterparts. Fil:Dasso, S. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Mandrini, C.H. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2008 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09927689_v26_n2_p213_Rodriguez http://hdl.handle.net/20.500.12110/paper_09927689_v26_n2_p213_Rodriguez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	cloud magnetic field plasma solar activity
spellingShingle	cloud magnetic field plasma solar activity Dasso, Sergio Ricardo Mandrini, Cristina Hemilse Magnetic clouds seen at different locations in the heliosphere
topic_facet	cloud magnetic field plasma solar activity
description	We analyze two magnetic clouds (MCs) observed in different points of the heliosphere. The main aim of the present study is to provide a link between the different aspects of this phenomenon, starting with information on the origins of the MCs at the Sun and following by the analysis of in-situ observations at 1 AU and at Ulysses. The candidate source regions were identified in SOHO/EIT and SOHO/MDI observations. They were correlated with H-± images that were obtained from ground-based observatories. Hints on the internal magnetic field configuration of the associated coronal mass ejections are obtained from LASCO C2 images. In interplanetary space, magnetic and plasma moments of the distribution function of plasma species (ACE/Ulysses) were analyzed together with information on the plasma composition, and the results were compared between both spacecraft in order to understand how these structures interact and evolve in their cruise from the Sun to 5 AU. Additionally, estimates of global magnitudes of magnetic fluxes and helicity were obtained from magnetic field models applied to the data in interplanetary space. We have found that these magnetic characteristics were well kept from their solar source, up to 5 AU where Ulysses provided valuable information which, together with that obtained from ACE, can help to reinforce the correct matching of solar events and their interplanetary counterparts.
author	Dasso, Sergio Ricardo Mandrini, Cristina Hemilse
author_facet	Dasso, Sergio Ricardo Mandrini, Cristina Hemilse
author_sort	Dasso, Sergio Ricardo
title	Magnetic clouds seen at different locations in the heliosphere
title_short	Magnetic clouds seen at different locations in the heliosphere
title_full	Magnetic clouds seen at different locations in the heliosphere
title_fullStr	Magnetic clouds seen at different locations in the heliosphere
title_full_unstemmed	Magnetic clouds seen at different locations in the heliosphere
title_sort	magnetic clouds seen at different locations in the heliosphere
publishDate	2008
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09927689_v26_n2_p213_Rodriguez http://hdl.handle.net/20.500.12110/paper_09927689_v26_n2_p213_Rodriguez
work_keys_str_mv	AT dassosergioricardo magneticcloudsseenatdifferentlocationsintheheliosphere AT mandrinicristinahemilse magneticcloudsseenatdifferentlocationsintheheliosphere
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Magnetic clouds seen at different locations in the heliosphere

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