1997 May 12

• A relation between dynamics of coronal mass ejections and production of solar energetic particle, Astronomy and Astrophysics, v.370, p.1064-1070, 2001
• A search for two-component energetic proton events observed on board SOHO, Journal of Geophysical Research, Volume 111, Issue A10, CiteID A10S90, 2006

Event of 1997 May 12

 
The first appearance time of an impulsive earthward-directed coronal mass ejection (CME) was 06:30 UT. The CME was accompanied by gradual soft X-ray flare (class: C1.3), coronal Moreton wave, coronal type II radio bursts at 04:58 UT and type IV radio bursts at 05:10 UT. Type III radio bursts were also observed. The X-ray flare reached its maximum at 04:55 UT. Hα-flare started at 04:44 UT. A small optical flare, class 1N, was recorded in AR 8028.