Abstract
view Abstract Citations (26) References (21) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS A consistent picture of coronal and chromospheric processes in a well-observed solar flare Gunkler, T. A. ; Canfield, R. C. ; Acton, L. W. ; Kiplinger, A. L. Abstract The solar flare of 15:22 UT on June 24, 1980 is analyzed using simultaneous observations in hard X-rays, soft X-rays, and H-alpha line profiles obtained from instruments aboard the Solar Maximum Mission and ground-based instruments. The theoretical H-alpha profiles of Canfield, Gunkler, and Ricchiazzi (1984) are used to analyze the H-alpha data, and the work of Hummer and Rybicki (1968) is used to provide qualitative velocity information. The soft X-ray data are employed to obtain coronal measurements of parameters of interest, while the flux and spectrum of the hard X-rays are used to calculate the peak power of nonthermal electrons. Various flare phenomena are studied, including heating of the chromosphere by nonthermal electrons, enhanced coronal pressure, enhanced thermal conduction, chromospheric evaporation and mass motion. It is shown that the observations strongly suggest a scenario in which two large magnetic loop systems interact to provide the flare energy. Publication: The Astrophysical Journal Pub Date: October 1984 DOI: 10.1086/162562 Bibcode: 1984ApJ...285..835G Keywords: Chromosphere; Solar Corona; Solar Flares; Solar X-Rays; Evaporation; H Alpha Line; Light Curve; Solar Electrons; Solar Maximum Mission; Solar Physics full text sources ADS |
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