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The evolution of vector magnetic field associated with major flares in NOAA AR10656 |
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| Authors: | Shuo Wang Yuanyong Deng Rajmal Jain Vasyl Yurchyshyn Haimin Wang Yuanyuan Liu Zhiliang Yang |
| Institution: | 1. Department of Astronomy, Beijing Normal University, Beijing, 100 875, China 2. National Astronomical Observatories, Chinese Academy of Sciences, Beijing, 100 012, China 3. Physical Research Laboratory, Navrangpura, Ahmedabad, 380 009, India 4. Big Bear Solar Observatory, 40386 North Shore Lane, Big Bear City, CA, 92914, USA |
| 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. |
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