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1997 December 12
- 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 1997 December 12
A gradual coronal mass ejection (CME) started at 01:27 UT and its speed was 345 km/s. It was accompanied by X-ray flare which reached maximum flux at 00:54 UT.