1997 May 21
- A relation between dynamics of coronal mass ejections and production of solar energetic particle, Astronomy and Astrophysics, v.370, p.1064-1070, 2001
1997 May 21
A coronal mass ejection (CME) was observed first at 21:00 UT and its speed was 303 km/s. The CME was accompanied by X-ray flare, Hα-flare at 20:08 UT, type II radio bursts at 20:10 UT and type IV radio bursts at 20:27 UT.