✦ LIBER ✦

The sudden disappearance of a dark filament observed on October 26, 1989

✍ Scribed by Jun Kubota; Reizaburo Kitai; Ichiro Tohmura; Akira Uesugi

Book ID: 104641996
Publisher: Springer
Year: 1992
Tongue: English
Weight: 955 KB
Volume: 139
Category: Article
ISSN: 0038-0938
DOI: 10.1007/bf00147882

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✦ Synopsis

We present H~ monochromatic and spectroscopic observations of the sudden disappearance of a dark filament located near the center of the solar disk on October 26, 1989. The event was not associated with the flare activity. The dark filament first disintegrated into two loop-like components, and then each component successively showed ascending motion with a velocity greater than 30 km s -J. Comparison of the H~ pictures taken before and after the start of this event suggests that the dark filament was originally composed of two magnetic flux loops.

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