| タイトル | Purely coronal flare-like variations |
| 著者（英） | Klein, L.; Fuerst, E.; Schrijver, J.; Svestka, Z.; Hirth, W.; Woodgate, B. E.; Raoult, A.; Somov, B.; Dennis, B. R. |
| 著者所属（英） | Laboratorium voor Ruimteonderzoek|Academy of Sciences (USSR)|Bonn Univ.|Max-Planck-Inst. fuer Radioastronomie|Observatoire de Paris-Meudon|NASA Goddard Space Flight Center |
| 発行日 | 1983-06-01 |
| 言語 | eng |
| 内容記述 | Quasiperiodic X-ray, UV, microwave, and metric-wave variations after a solar flare on November 6, 1980 are reported and analyzed, based on observational data from SMM (HXRBS, UVSP, HXIS), GOES-2, the 100-m radiotelescope at Bonn, and the Nancay radioheliograph. The maxima of the 13 brightenings observed are listed and characterized; a comparison is made with a 'normal' flare at 17:26 UT on the same day. The HXIS and UVSP data are discussed in terms of the physical properties, X-ray flux, O V flux, and H-alpha flux. The variations are found to be mainly thermal and purely coronal, with no chromospheric (H-alpha) participation (in contrast to the 17:26 flare). Since strong X-ray emissions were observed which should have involved the chromosphere through magnetic-field-line heat conduction, it is proposed that the variations wre produced ina coronal plasmoid magnetically separate from the chromosphere. A mechanism for the evolution of such a plasmoid from the upper loops of a giant X-ray arch is discussed. An iterative HXIS-image-deconvolution process is presented in an appendix. |
| NASA分類 | SOLAR PHYSICS |
| レポートNO | 83A39039 |
| 権利 | Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/403373 |
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