Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...318..459c&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 318, July 1, 1987, p. 459-473. CNR-supported research.
Astronomy and Astrophysics
Astrophysics
6
Solar Flares, Solar Maximum Mission, Solar Spectra, Solar X-Rays, Spectrum Analysis, Ultraviolet Spectra, Coronal Loops, Footprints, Iron, Oxygen, Stellar Models
Scientific paper
Three homologous flares observed in the UV lines of Fe XXI and O V and in X-rays from the SMM were studied. It was found that: (1) the homology of the flares was most noticeable in Fe XXI and soft X-ray emissions; (2) the three flares shared many of the same loop footprints which were located in O V bright kernals associated with hard X-ray bursts; and (3) in spite of the strong spatial homology, the temporal evolution in UV and X-ray emissions varied from flare to flare. A comparison between the UV observations and photospheric magnetograms revealed that the basic flare configuration was a complex loop system consisting of many loops or bundles of loops.
Cheng Chung-Chieh
Pallavicini Roberto
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