The loop prominence of 1984 February 18 and its velocity field

Details The loop prominence of 1984 February 18 and its velocity field The loop prominence of 1984 February 18 and its velocity field

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988acaps...7..298g&link_type=abstract

(Acta Astrophysica Sinica, vol. 7, no. 4, 1987, p. 298-304) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 12, March

Astronomy and Astrophysics

Astrophysics

2

Chromosphere, Coronal Loops, H Alpha Line, Radial Velocity, Solar Prominences, Space Plasmas, Time Response, Velocity Distribution

Scientific paper

A morphological analysis is presented for the H-alpha chromosphere of the postflare of Feb. 18, 1984 and its H-alpha SSHG spectrum. Also presented are the two-dimensional radial-velocity field and a qualitative explanation of the features of this field. This loop prominence is a postflare arch, and the observed features can be well explained by supposing that matter at the loop top falls mainly along the optically thick loop legs under the action of gravity and magnetic pressure.

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