Unusual coronal activity following the flare of 6 November 1980

Details Unusual coronal activity following the flare of 6 November 1980 Unusual coronal activity following the flare of 6 November 1980

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982soph...80..143s&link_type=abstract

Solar Physics, vol. 80, Sept. 1982, p. 143-159. Research supported by the Ministry of Education and Science of Netherlands and S

Astronomy and Astrophysics

Astronomy

55

Gamma Ray Astronomy, Solar Corona, Solar Flares, Solar X-Rays, Brightness, Noise Storms, Plasma Temperature, Solar Maximum Mission

Scientific paper

The major two-ribbon flare that occurred on November 6, 1980 is discussed, using data from the hard X-ray imaging spectrometer aboard the SMM satellite. The post-flare X-ray arch and loops are analyzed, showing the flare characteristics, the coronal arch, the time variations of X-rays after the flare, and the time variation of the maximum intensity at the top of the coronal arch in the 3.5-5.5 keV range. A comparison is made with an earlier arch. The post-flare conronal brightness variations are discussed, including a correlation with a 169 MHz noise storm, the absence of chromospheric excitation, the brightness and temperature of the X-ray arch, the locations of the brightenings, and the details of the first and fifth brightenings. Problems posed by the observations are discussed.

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