![[Show/Hide Left Column]](styles/strasa/pics/icons/oleftcol.png "[Show/Hide Left Column]"){kind=icon}
![[Show/Hide Right Column]](styles/strasa/pics/icons/orightcol.png "[Show/Hide Right Column]"){kind=icon}
1997 October 21
- A relation between dynamics of coronal mass ejections and production of solar energetic particle, Astronomy and Astrophysics, v.370, p.1064-1070, 2001
event of October 21
An impulsive coronal mass ejection (CME) was observed first at 18:03 UT and its speed was 465 km/s. The CME was accompanied by X-ray and Hα flare. The Hα flare started at 17:33 UT and X-ray flare reached its maximum at 17:54 UT.