Helioseismic analysis of the solar flare-induced sunquake of 2005 January 15

  title={Helioseismic analysis of the solar flare-induced sunquake of 2005 January 15},
  author={Heidar Moradi and A.-C. Donea and Charles Lindsey and D. Besliu-Ionescu and Paul S Cally},
We report the discovery of one of the most powerful sunquakes detected to date, produced by an X1.2-class solar flare in active region 10720 on 2005 January 15. We used helioseismic holography to image the source of seismic waves emitted into the solar interior from the site of the flare. Acoustic egression power maps at 3 and 6 mHz with a 2 mHz bandpass reveal a compact acoustic source strongly correlated with impulsive hard X-ray and visible-continuum emission along the penumbral neutral line… CONTINUE READING


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