X-ray imaging of a solar limb flare on 1982 January 22

Details X-ray imaging of a solar limb flare on 1982 January 22 X-ray imaging of a solar limb flare on 1982 January 22

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..107..109t&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 107, no. 1, 1987, p. 109-121.

Physics

11

Solar Flares, Solar Spectra, Solar X-Rays, X Ray Imagery, Coronal Loops, Energy Transfer, Solar Limb, Solar Radio Bursts

Scientific paper

Simultaneous X-ray images in the hard (20-40 keV) and softer (6.5-15 keV) energy ranges of an impulsive solar X-ray burst associated with a flare near the solar west limb are presented. These were obtained with the hard X-ray telescope on the Hinotori spacecraft. The burst was made up of an impulsive component having a hard spectrum and a thermal component having a peak temperature of 2.8 x 10 to the 7th K. The hard X-ray image for the impulsive component is an extended single source elongated along the solar limb; it extends from the two-ribbon H-alpha flare to 10,000 km above the limb. The centroid of this source image is located about 10 + or - 5 arcsec above the neutral line. The corresponding softer X-ray image is compact and located near the centroid of the hard X-ray image.

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