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Hinode magnetic-field observations of solar flares for exploring the energy storage and trigger mechanisms

Published online by Cambridge University Press:  09 September 2016

Toshifumi Shimizu ,
Satoshi Inoue  and
Yusuke Kawabata
Toshifumi Shimizu
Affiliation:
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, 252-5210, Japan email: shimizu@solar.isas.jaxa.jp Department of Earth and Planetary Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033Japan email: kawabata.yusuke@ac.jaxa.jp
Satoshi Inoue
Affiliation:
Max-Planck Institute for Solar System Research, BT2.E4.120, Justus-von-Liebig-Weg 3 37077, Göttingen, Germany email: inoue@mps.mpg.de
Yusuke Kawabata
Affiliation:
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa, 252-5210, Japan email: shimizu@solar.isas.jaxa.jp Department of Earth and Planetary Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033Japan email: kawabata.yusuke@ac.jaxa.jp
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Abstract

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The spectro-polarimeter in the Hinode Solar Optical Telescope (SOT) is one of the powerful instruments for the most accurate measurements of vector magnetic fields on the solar surface. The magnetic field configuration and possible candidates for flare trigger are briefly discussed with some SOT observations of solar flare events, which include X5.4/X1.3 flares on 7 March 2012, X1.2 flare on 7 January 2014 and two M-class flares on 2 February 2014. Especially, using an unique set of the Hinode and SDO data for the X5.4/X1.3 flares on 7 March 2012, we briefly reviewed remarkable properties observed in the spatial distribution of the photospheric magnetic flux, chromospheric flare ribbons, and the 3D coronal magnetic field structure inferred by non-linear force-free field modeling with the Hinode photospheric magnetic field data.

Keywords

Sun: flaresSun: magnetic fieldsSun: photosphereSun: chromosphereSun: corona
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Symposium S320: Solar and Stellar Flares and their Effects on Planets , August 2015 , pp. 175 - 178
Copyright
Copyright © International Astronomical Union 2016 

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