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Observation of Transition Region Fine Structures with Soho/Sumer (1999)

Landi, E. ; Mason, H. E. ; Landini, M.

Springer

Space science reviews 87 (1999), S. 241-244

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Details

ISSN: 1572-9672

Schlagwort(e): UV spectral emission lines ; solar transition region

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We present a preliminary analysis of two quiet Sun transition region areas observed with the SOHO/SUMER spectrometer, using lines from oxygen, nitrogen and silicon. The average quiet Sun physical parameters are studied as a function of line intensity. Systematic variations of line position and width with increasing intensity are found. A large number of small-scale active points have been observed, and preliminary analysis of the physical properties and dynamics of these active features is presented. A jet-like structure, found in an active point, is also investigated and its velocity along the line of sight determined.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1005160804176

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