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Evidence of small-scale magnetic concentrations dragged by vortex motion of solar photospheric plasma

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Evidence of small-scale magnetic concentrations dragged by vortex motion of solar photospheric plasma

dc.contributor.author	Balmaceda, Laura Antonia
dc.contributor.author	Vargas Domínguez, Santiago
dc.contributor.author	Palacios Hernández, Judit
dc.contributor.author	Cabello García, Iballa Beatriz
dc.contributor.author	Domingo Codoñer, Vicente
dc.date.accessioned	2010-06-18T11:13:21Z
dc.date.available	2010-06-18T11:13:21Z
dc.date.issued	2010
dc.identifier.citation	BALMACEDA, Laura Antonia; VARGAS DOMÍNGUEZ, Santiago; PALACIOS HERNÁNDEZ, Judit; CABELLO GARCÍA, Iballa Beatriz; DOMINGO CODOÑER, Vicente (2010): Evidence of small-scale magnetic concentrations dragged by vortex motion of solar photospheric plasma, Astronomy & Astrophysics, vol. 513, núm. 5	en
dc.identifier.uri	http://hdl.handle.net/10550/13003
dc.description.abstract	Vortex-type motions have been measured by tracking bright points in high-resolution observations of the solar photosphere. These small-scale motions are thought to be determinant in the evolution of magnetic footpoints and their interaction with plasma and therefore likely to play a role in heating the upper solar atmosphere by twisting magnetic flux tubes. We report the observation of magnetic concentrations being dragged towards the center of a convective vortex motion in the solar photosphere from high- resolution ground-based and space-borne data. We describe this event by analyzing a series of images at different solar atmospheric layers. By computing horizontal proper motions, we detect a vortex whose center appears to be the draining point for the magnetic concentrations detected in magnetograms and well-correlated with the locations of bright points seen in G-band and CN images.	en
dc.language.iso	en	en
dc.subject	Convection; Sun: granulation; Sun: photosphere; Magnetic fields	en
dc.title	Evidence of small-scale magnetic concentrations dragged by vortex motion of solar photospheric plasma	en
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::ASTRONOMÍA Y ASTROFÍSICA	en
dc.subject.unesco	UNESCO::ASTRONOMÍA Y ASTROFÍSICA::Sistema solar	en
dc.identifier.doi	10.1051/0004-6361/200913584	en
dc.type.hasVersion	VoR	es_ES
dc.identifier.url	http://www.aanda.org/index.php?option=article&access=doi&doi=10.1051/0004-6361/200913584	en