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1988年6月24日AR5047活动区中2B/X1.3耀斑的高时间分辨H_α和偏带观测结果(英文)

The AR 5047 was the first target active region during the Coordinated observationInterval 111(June一July7,1988).There were several small flares observed before June22.But four Xclass flares eruPted only in two days of 23th and 24th.Two of them,theIB/Xl.6 flare at 0923 UT on June 23 and the ZB/XI.3 flare at 0422 UT on June 24,were observed by 26em Solar TelescoPe at Yunnan Observatory.And the observation ofthe ZB/X 1 ....  (本文共5页) 阅读全文>>