Characteristics of LASCO CMEs Associated with Big Flares

Details Characteristics of LASCO CMEs Associated with Big Flares Characteristics of LASCO CMEs Associated with Big Flares

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsh42a0766a&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SH42A-0766

Physics

7513 Coronal Mass Ejections, 7519 Flares

Scientific paper

The relationship between flares and Coronal Mass Ejections (CMEs) is a topic of active research and some controversy. A significant number of CMEs (23 as of 31Aug01) can be clearly associated with M- and X-class flares as observed by GOES. The association is made primarily on the basis of timing analysis. In each of these CMEs multiple features have been tracked with the measurements used to generate height-time plots. For all of these events, the tracks meet at a projected height of 1 solar radius at times that range from 13 minutes before to 28 minutes after the start of the X-ray flare as reported by NOAA. These CMEs are faster than is typical with initial speeds of 500 to 2000 km/s. Some of the events show significant deceleration, but significant acceleration is not observed. Examples will be shown and the properties of this class of CMEs summarized

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