Proc. IAU volume 13, issue S335, P32-35 2017 DOI: 10.1017/s1743921317008924 View full text
Ranadeep Sarkar, Nandita Srivastava, Sajal Kumar Dhara

Abstract: AbstractWe have studied the dynamics of the solar active region (AR) NOAA 12192 using full-disc continuum images and the vector magnetograms observed by the Helioseismic and Magnetic Imager (HMI) onboard Solar Dynamics Observatory (SDO). AR 12192 is the largest region of the solar cycle 24. It underwent a noticeable growth and produced 6 X-class, 22 M-class and 53 C-class flares during its disc passage. But the most peculiar fact of this AR is that it was associated with only one CME in spite of producing seve…

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