Plasma motion in crossed fields and halo-type coronal mass ejections

Autor:	M. M. Molodenskii, N. S. Shilova
Rok vydání:	2002
Předmět:	Physics Coronal cloud Coronal hole Astronomy Astronomy and Astrophysics Astrophysics Plasma Coronal loop Corona Nanoflares Space and Planetary Science Physics::Space Physics Coronal mass ejection Astrophysics::Solar and Stellar Astrophysics Halo
Zdroj:	Astronomy Reports. 46:591-596
ISSN:	1562-6881 1063-7729
DOI:	10.1134/1.1495035
Popis:	Halo-type motions of plasma in the solar corona—so-called coronal mass ejections (CME)—are considered. This type of CME is relatively rare due to the requirement for a particular orientation of the magnetic-moment vector M (parallel to the line of sight). Variations in |M| may be due to the rapid motion of filaments with a characteristic time scale ≅103 s. The drifts in the crossed fields have speeds of ≅200–1000 km/s and can account for the basic features of the CME geometry.
Databáze:	OpenAIRE
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