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Solar Physics

, Volume 290, Issue 2, pp 301–319 | Cite as

Evolution of Small-Scale Magnetic Elements in the Vicinity of Granular-Sized Swirl Convective Motions

  • S. Vargas DomínguezEmail author
  • J. Palacios
  • L. Balmaceda
  • I. Cabello
  • V. Domingo
Article

Abstract

Advances in solar instrumentation have led to widespread use of time series to study the dynamics of solar features, especially at small spatial scales and at very fast cadences. Physical processes at such scales are important as building blocks for many other processes occurring from the lower to the upper layers of the solar atmosphere and beyond, ultimately for understanding the larger picture of solar activity. Ground-based (Swedish Solar Telescope) and space-borne (Hinode) high-resolution solar data are analyzed in a quiet-Sun region that displays negative-polarity small-scale magnetic concentrations and a cluster of bright points observed in G-band. The region is characterized by two granular-sized convective vortex-type plasma motions, one of which appears to be affecting the dynamics of magnetic features and bright points in its vicinity and is therefore the main target of our investigations. We followed the evolution of the bright points, intensity variations at different atmospheric height, and the magnetic evolution for a set of interesting selected regions. We describe the evolution of the photospheric plasma motions in the region near the convective vortex and some plausible cases for convective collapse detected in Stokes profiles.

Keywords

Sun: convection Sun: granulation Sun: photosphere Sun: magnetic fields 

Notes

Acknowledgments

We thank the referee for key comments and suggestions on the manuscript. JP acknowledges funding from the Spanish grant BES-2007-16584 and PPII10-0183-7802 from the Junta de Comunidades de Castilla-La Mancha of Spain. The authors acknowledge funding from the projects ESP2006-13030-C06-04 and AYA2009-14105-C06-04, including European FEDER funds. The Swedish 1-m Solar Telescope is operated on the island of La Palma by the Institute of Solar Physics of the Royal Swedish Academy of Sciences in the Spanish Observatorio del Roque de los Muchachos of the Instituto de Astrofísica de Canarias. We thank the scientists of the Hinode team for the operation of the instruments. Hinode is a Japanese mission developed and launched by ISAS/JAXA, with NAOJ as domestic partner and NASA and STFC (UK) as international partners. It is operated by these agencies in co-operation with ESA and NSC (Norway).

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • S. Vargas Domínguez
    • 1
    Email author
  • J. Palacios
    • 2
    • 5
  • L. Balmaceda
    • 3
    • 4
  • I. Cabello
    • 3
    • 5
    • 6
  • V. Domingo
    • 5
  1. 1.Observatorio Astronómico NacionalUniversidad Nacional de ColombiaBogotáColombia
  2. 2.Space Research Group-Space Weather, Departamento de Física y MatemáticasUniversidad de AlcaláAlcalá de HenaresSpain
  3. 3.ICATE/CONICET-UNSJSan JuanArgentina
  4. 4.INPESao Jose dos CamposBrazil
  5. 5.GACE, Image Processing Laboratory (IPL)Universidad de ValenciaValenciaSpain
  6. 6.Facultad Regional de MendozaUniversidad Tecnológica NacionalMendozaArgentina

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