The evolution of vector magnetic field associated with major flares in NOAA AR10656

Shuo Wang, Yuanyong Deng, Rajmal Jain, Vasyl Yurchyshyn, Haimin Wang, Yuanyuan Liu, Zhiliang Yang

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, we study the evolution of vector magnetic field of AR 10656 by using the observations of Huairou Solar Observing Station (HSOS, China) and Big Bear Solar Observatory (BBSO, USA). The magnetic flux emergence and cancellation, and thus, magnetic nonpotential changes, are associated with the major flares in this active region. Compared with some other super-active regions, the evolution of magnetic morphologies and non-potentialities are relatively gradual, and thus the energy transportation and release are relatively slow. This gradual process may result in the recurrent flares of AR 10656.

Original languageEnglish (US)
Pages (from-to)57-61
Number of pages5
JournalJournal of Astrophysics and Astronomy
Volume29
Issue number1-2
DOIs
StatePublished - Jan 1 2008

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • Evolution
  • Flares
  • Magnetic field

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