Astronomy and Astrophysics – Astronomy
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...180.1806h&link_type=abstract
American Astronomical Society, 180th AAS Meeting, #18.06; Bulletin of the American Astronomical Society, Vol. 24, p.755
Astronomy and Astrophysics
Astronomy
Scientific paper
X-ray images taken by the Soft X-Ray Telescope (SXT) on board the Japanese Satellite Yohkoh are being used to study the characteristics and variability of X-ray bright points and their relation to the underlying photospheric magnetic field and chromospheric structures. Though during this maximum phase of Cycle 22 there are few X-ray bright points at any given time, more than a thousand have been observed since Yohkoh began its observation in September 1991. Many of these bright points flare; in many cases, these small-scale flares are associated with with observed effects detected spanning substantial distances away from the flaring bright point. This paper will report on an investigation of the dynamics of the flares in these small-scale coronal structures. Events will be discussed that show their complexity and their relation to the large-scale coronal magnetic fields as identified by coronal structures observed in X-rays.
Harvey Karen L.
Nitta Nariaki
Shimizu Toshifumi
Strong Keith
Tsuneta Saku
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