The magnetic structure of a coronal X-ray bright point

Daniel Brown, Clare Parnell, E. E. Deluca, Leon Golub, Rebecca McMullen

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Abstract. X-ray bright points are small dynamic loop structures that are observed all over the solar corona. The high spatial and temporal resolution of the TRACE instrument allows bright points to be studied in much greater detail than previously possible. This paper focusses on a specifc bright point which occurred for about 20 hours on the 13-14th June 1998 and examines its dynamic structure in detail. This example suggests that the mechanisms that cause bright points to form and evolve are more complex than previously thought. In this case, reconnection probably plays a major part during the formation and brightening of the loop structure. However, later on the foot points rotate injecting twist into the bright point which may cause an instability to occur with dynamic results.
Original languageEnglish
Pages (from-to)305-321
Number of pages17
JournalSolar Physics
Issue number2
Publication statusPublished - 01 Jul 2001


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