CMEs: Association with eruptive
prominences and flares
Prominence eruptions
Three parts (bright front,
cavity and bright core)
Gradually accelerated
Highly structured by B
Flares
Signatures: hard-Xray and
radio bursts
Constant velocity
Often complex  structure
% association with flares or prominences
(filaments) vary (authors and cycle).
Speeds: few tens up to 2000 km/s.