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dc.contributor.author
Kaufmann, Pierre
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dc.contributor.author
De Castro, C. Guillermo Giménez
dc.contributor.author
Makhmutov, Vladimir S.
dc.contributor.author
Raulin, Jean Pierre
dc.contributor.author
Schwenn, Rainer
dc.contributor.author
Levato, Orlando Hugo
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dc.contributor.author
Rovira, M.
dc.date.available
2023-10-10T13:22:15Z
dc.date.issued
2003-12
dc.identifier.citation
Kaufmann, Pierre; De Castro, C. Guillermo Giménez; Makhmutov, Vladimir S.; Raulin, Jean Pierre; Schwenn, Rainer; et al.; Launch of solar coronal mass ejections and submillimeter pulse bursts; American Geophysical Union; Journal of Geophysical Research; 108; 47; 12-2003; 1280-1280
dc.identifier.issn
0148-0227
dc.identifier.uri
http://hdl.handle.net/11336/214690
dc.description.abstract
The rapid solar spikes (100-500 ms) recently discovered at submillimeter waves bring new possibilities to investigate energetic processes near the solar surface that might have an important role in the launch and propelling of ionized mass away from the Sun. We present a study on the association between the launch time of coronal mass ejections (CMEs) observed by the LASCO instruments on the SOHO spacecraft and the onset of the new kind of rapid solar spikes (100-500 ms) observed at submillimetric waves (212 and 405 GHz) by the new Solar Submm-wave Telescope (SST). We investigated six submm-wave events, all found associated to CMEs. Seven related CME were identified. Five of them were associated with flares with large GOES class soft X-rays, presenting distinct time histories and associations at other energy ranges, and two of them were related to flares behind the solar limb, with simultaneous related activity observed in the visible solar disk. Ultraviolet images from EIT on SOHO show some kind of small or large-scale magnetic activity or brightening for all events. The extrapolation of apparent CME positions to the solar surface show that they occurred nearly coincident in time with the onset of submm-wave pulses for all six events. These results suggest that pulse bursts might be representative of an important early signature of CMEs, especially for events beginning near the center of the solar disk, sometimes identified as "halo" CMEs. They lead to several challenging questions relative to the physical nature of the pulses and its association to the launch and acceleration of coronal mass ejections. Although these evidences may favor multiple rapid energy releases at the origin near the solar surface, they require further research in order to better understand both diagnostics and model descriptions.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CME LAUNCH
dc.subject
CME PRECURSORS
dc.subject
PULSE BURSTS
dc.subject
SOLAR RADIO ASTRONOMY
dc.subject
SOLAR SUBMM-WAVE BURSTS
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Launch of solar coronal mass ejections and submillimeter pulse bursts
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-07-07T20:31:44Z
dc.journal.volume
108
dc.journal.number
47
dc.journal.pagination
1280-1280
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Kaufmann, Pierre. Universidade Estadual de Campinas; Brasil. Universidade Presbiteriana Mackenzie; Brasil
dc.description.fil
Fil: De Castro, C. Guillermo Giménez. Universidade Presbiteriana Mackenzie; Brasil
dc.description.fil
Fil: Makhmutov, Vladimir S.. Universidade Presbiteriana Mackenzie; Brasil. The Russian Academy Of Sciences; Rusia
dc.description.fil
Fil: Raulin, Jean Pierre. Universidade Presbiteriana Mackenzie; Brasil
dc.description.fil
Fil: Schwenn, Rainer. Max Planck Institute For Solar System Research; Alemania
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Fil: Levato, Orlando Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
dc.description.fil
Fil: Rovira, M.. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.journal.title
Journal of Geophysical Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2002JA009729
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1029/2002JA009729
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