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Changing photospheric vector magnetic fields associated with a B4.2-class solar flare

Published online by Cambridge University Press:  18 July 2013

Jiangtao Su ,
Yu Liu  and
Yuandeng Shen
Jiangtao Su
Affiliation:
Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, China email: sjt@bao.ac.cn State Key Laboratory of Space Weather, Chinese Academy of Sciences, Beijing 100190
Yu Liu
Affiliation:
National Astronomical Observatories, Yunnan observatory, Chinese Academy of Sciences
Yuandeng Shen
Affiliation:
National Astronomical Observatories, Yunnan observatory, Chinese Academy of Sciences
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Abstract

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Recent observations have provided evidence that the solar photospheric magnetic fields could have rapid and permanent changes in both longitudinal and transverse components associated with large (X- or M-class) solar flares. However, few observations have been reported about small flares. In this paper we find the observational evidence of changing photospheric vector magnetic fields associated with a B4.2-class flare obtained with the Solar Magnetic Field Telescope (SMFT) installed at Huairou Solar Observing Station (HSOS) of Nation Astronomical Observatories of Chinese Academy of Sciences.

Keywords

Sun: PhotosphereSun: FlaresSun: Magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S294: Solar and Astrophysical Dynamos and Magnetic Activity , August 2012 , pp. 561 - 564
Copyright
Copyright © International Astronomical Union 2013 

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