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Comment on Model of ionic charge states of impulsive solar energetic particles in solar flares by M. Dolores Rodríguez-Frías, Luis del Peral, and Jorge Pérez-Peraza

  • Authors: Kovaltsov, Gennadi A.; Kartavykh, Yulia Y.; Kocharov, Leon; Ostryakov, Valery M.; Torsti, Jarmo
  • Publication: Journal of Geophysical Research (Space Physics), Volume 107, Issue A10, pp. SSH 3-1, CiteID 1276, DOI 10.1029/2001JA009173, 2002
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  • Abstract: Attention is drawn to the fact that the numerical code ESCAPE by Rodríguez-Frías et al. [2001] is in conflict with other models of charge-changing processes in solar corona, including the most reliable model by Arnaud and Raymond [1992]. We find in the >0.1 MeV nucleon-1 energy range a tendency of the ESCAPE code to overestimate the ionic charge of iron. This implies an underestimation of the density × acceleration-time product in the ion acceleration region in solar corona.

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