Observations of the variability of coronal bright points by the Soft X-ray Telescope on YOHKOH

Details Observations of the variability of coronal bright points by the Soft X-ray Telescope on YOHKOH Observations of the variability of coronal bright points by the Soft X-ray Telescope on YOHKOH

Oct 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44l.161s&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 5, p. L161-L166.

Astronomy and Astrophysics

Astronomy

89

Brightness Distribution, Solar Corona, Solar Flares, Spaceborne Astronomy, X Ray Telescopes, Japanese Spacecraft, Solar X-Rays

Scientific paper

We present the initial results of a study of X-ray bright points (XBPs) made with data from the Yohkoh Soft X-ray Telescope. High temporal and spatial resolution observations of several XBPs illustrate their intensity variability over a wide variety of time scales from a few minutes to hours, as well as rapid changes in their morphology. Several XBPs produced flares during their lifetime. These XBP flares often involve magnetic loops, which are considerably larger than the XBP itself, and which brighten along their lengths at speeds of up to 1100 km/s.

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