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An Ellerman bomb-associated surge observed by the FISS/NST
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  • An Ellerman bomb-associated surge observed by the FISS/NST
  • An Ellerman bomb-associated surge observed by the FISS/NST
저자명
양희수,채종철,김연한,조일현,Yang. Hee-Su,Chae. Jong-Chul,Kim. Yeon-Han,Cho. Il-Hyun
간행물명
천문학회보
권/호정보
2012년|37권 1호|pp.88-88 (1 pages)
발행정보
한국천문학회
파일정보
정기간행물|ENG|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

We observed a surge associated with an Ellerman bomb using the Fast Imaging Solar Spectrograph(FISS) of the New Solar Telescope at Big Bear Solar Observatory. The surge was seen in absorption and varied rapidly both in H alpha and Ca II 8542 line. It originated from the Ellerman bomb, and was impulsively accelerated to 20km/s of the blueshift(upward) motion. Then the gradual change from blueshift of 20km/s to redshift of 40km/s occurred in 20 minutes. Based on the measured line-of-sight velocities, we estimated the material reached up to about 5,000km height. We inferred physical parameters of the surge by adopting the cloud model, and found that the temperature of the surge material was about 25,000K and the non-thermal velocity was about 10km/s. Our results suggest that the surge might be heated intensely after it was ejected from the Ellerman bomb.