The material motion in postflare loops

Details The material motion in postflare loops The material motion in postflare loops

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988acasn..29..351t&link_type=abstract

(Acta Astronomica Sinica, vol. 29, no. 4, 1988, p. 351-358) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 13, June 1

Astronomy and Astrophysics

Astrophysics

1

Coronal Loops, Mass Transfer, Solar Flares, Solar Gravitation, Solar Magnetic Field, Line Of Sight, Solar Limb

Scientific paper

The motion of plasma in postflare loops is examined, using data for postflare loops on December 20, 1982, and May 16, 1981. It is found that gravity, magentic field gradient, and initial velocity must all be considered simultaneously in order to study the plasma motion. It is shown that there are two types of motion: accelerating motion with gravity dominating over the magnetic field gradient and decelerating motion with the magnetic field dominating over gravity. Initial velocities as high as several hundred km/s were observed at the top of the May 1981 loops. Formulas are presented for calculating both types of motion using initial velocities and magnetic properties.

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