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The study of solar flares with the extended cellular automaton (XCA) model
 

Summary: The study of solar flares with the extended cellular
automaton (XCA) model
H. Isliker 1 , A. Anastasiadis 2 and L. Vlahos 1
1 University of Thessaloniki, Department of Physics, Section of Astronomy,
Astrophysics, and Mechanics, Thessaloniki, GR54006, Greece
2 National Observatory of Athens, Institute for Space Applications and Remote
Sensing, Penteli, GR15236,Greece
Abstract
We have developed a new type of cellular automaton (CA) model, the extended
CA (XCA), for the study of solar flares. The XCA model is consistent with
the MHD approach, in contrast to the previously proposed CA models (classical
CAs), it consistently yields all the relevant physical variables, and it successfully
reproduces the observed distributions of total energy, peak flux, and duration of
solar flares. We present and discuss the relevant plasma processes and setup which
are implemented by the XCA model in the framework of a commonly accepted
solar flare scenario.
1 Introduction
It is now widely accepted that the solar activity is mainly due to the dissipation of
the magnetic energy stored previously in the solar corona. Magnetic energy release
manifests itself in a large variety of phenomena, ranging from heating to solar flares.

  

Source: Anastasiadis, Anastasios - Institute for Space Applications and Remote Sensing, National Observatory of Athens

 

Collections: Physics