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| SUNSPOTS AND THEIR MAGNETIC FIELDS WITHIN AR5629 | |
| 摘 要： | AR5629 is a super—active region It had 21 X—ray bursts(class M or higher)accom-panied with optical bursts which importances greater than one or higher within the AR.These events centered the days from 12,Aug.to 17,Aug.in 1989(16 events).Sunspotswithin the AR,consist of a big main spot and a satellite spot,which located at 17S,75L,can be seen on the solar disk from 4,Aug.to 16,Aug.On 14,Aug.,it reached its maxi- |
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