Does the photospheric current take part in the flaring process?

V. I. Abramenko, V. B. Yurchishin, V. Carbone

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

On the basis of vector magnetograms of two flaring active regions (ARs) we analyze the scaling behavior of the current helicity Hc in the photosphere. The signed measure so obtained possesses a well pronounced sign-singularity in the range of scales from more than 104 Km down to the resolution limit of observations. We found that during the flaring process there is a signature both of a reorganization of the current helicity in the photosphere and of a strong magnetic energy dissipation of the photospheric magnetic field.

Original languageEnglish (US)
JournalAstronomy and Astrophysics
Volume334
Issue number2
StatePublished - Jun 10 1998
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

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