Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985acasn..26...42c&link_type=abstract
(Acta Astronomica Sinica, vol. 26, 1985, p. 42-50) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 9, Sept. 1985, p. 2
Astronomy and Astrophysics
Astrophysics
2
Solar Flares, Solar Prominences, H Alpha Line, Solar Velocity, Solar X-Rays, Sunspots
Scientific paper
A comprehensive analysis is made of morphological tracings and positional measurements of H-alpha images, white-light sunspot photographs, and chromosphere velocity field obtained at Yunnan Observatory, and hard X-ray images obtained by the Hinotori satellite, of the loop prominence of April 27, 1981. It seems likely that the observed loop is the projection of a postflare loop system, and the associated flare occurred on the rear side of the solar disk. A two-ribbon flare such as in the Kopp-Pneuman model can satisfactorily explain all the observed features. The occurrence of such a flare seems likely from the evidence given by the data.
Cao Tian-Jun
Ding Yujie J.
Xu Aiguo
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