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Origin of helical coronal disturbances from the Sun View all abstracts by submitter

Kuniko Hori   Submitted: 2000-06-12 15:04

By combining data from the Nobeyama Radioheliograph and the LASCO coronagraph aboard the {it SoHO} spacecraft, we report two helical coronal disturbances accompanying white-light coronal mass ejections (CMEs). These are activated prominences at the base, rotating around each vertical axis while moving on the solar surface with projected speeds of geq 50 km s-1. The activity continues in a CME core and in a neighboring streamer growing over 6 Rodot. Neither flare activity nor radio bursts were observed during the two events. We suggest that the apparent presence/absence of a CME core depends on the density of the eruptive material associated with the CME.

Authors: K. Hori
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Publication Status: ApJ (in press)
Last Modified: 2000-06-12 15:04
Go to main E-Print page  Three-dimensional spontaneous magnetic reconnection in neutral current sheets
  Topology is Destiny: Reconnection energetics in the corona
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