Kinematics of X-ray ejections

Details Kinematics of X-ray ejections Kinematics of X-ray ejections

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.535..465t&link_type=abstract

In: Solar variability as an input to the Earth's environment. International Solar Cycle Studies (ISCS) Symposium, 23 - 28 June 2

Computer Science

1

Sun: Corona, Lares, Coronal Mass Ejections (Cmes), X-Rays, Gamma Rays

Scientific paper

One of the direct signatures which can be connected with a CME onset seems to be a flare-associated X-ray ejection (XRE) of hot plasma. A majority of XREs, observed with the Soft X-ray Telescope onboard Yohkoh, was imaged with a poor quality due to a flare emission dominance. For the behind-the-limb flares, it is possible to make a more comprehensive analysis of XREs than usual. Five such events have been investigated. Their kinematics from distance-time maps has been described. A three-phase scenario of the kinetic evolution has been proposed. It has been found that the acceleration of XREs begins 4-10×104km above the solar surface and usually persists until the XRE leaves the SXT field of view (2.0-2.5×105km ~ 1.3Rsun).

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