Abstract
We analyze the phenomenon of sudden disappearance (DB) of quiescent filaments and prominences, with examples of the two classes (dynamic and thermal DB) observed on the solar disk and at the limb. The differences between their dynamics are discussed, and it is shown that only dynamic DBs are associated with coronal mass ejections (CME), whereas thermal DBs are only local disturbances of the lower corona. We finish with a discussion of DBs detected on the disk and limb, to explain the statistical differences between the disappearance of filaments and the production of CME.
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