Radiative MHD simulations of sunspot structure - Challenges and recent developments

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Abstract

For a long time 3D radiative MHD simidations of sunspots were out of reach. With increasing computing power there has been recently substantial progress in modeling magnetoconvection in strong magnetic field regions and complete sunspots including the transition from umbra toward plage like solar granlation. 3D simulations point toward a unified understanding of sunspot fine structure in terms of a magneto convection process in a background field with varying inclination angle. We summarize here briefly the most recent developments.

Original languageEnglish
Title of host publicationRecent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics - Proc. Int. Conf. Honor of Dimitri Mihalas for His Lifetime Sci. Contrib. Occasion of His 70th Birthday
Pages315-322
Number of pages8
DOIs
StatePublished - 2009
EventInternational Conference in Honor of Dimitri Mihalas for His Lifetime Scientific Contributions on the Occasion of His 70th Birthday:Recent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics - Boulder, CO, United States
Duration: Mar 30 2009Apr 3 2009

Publication series

NameAIP Conference Proceedings
Volume1171
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference in Honor of Dimitri Mihalas for His Lifetime Scientific Contributions on the Occasion of His 70th Birthday:Recent Directions in Astrophysical Quantitative Spectroscopy and Radiation Hydrodynamics
Country/TerritoryUnited States
CityBoulder, CO
Period03/30/0904/3/09

Keywords

  • MHD
  • Radiative transfer
  • Sunspots

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