Observation of Transition Region Fine Structures with Soho/Sumer

Details Observation of Transition Region Fine Structures with Soho/Sumer Observation of Transition Region Fine Structures with Soho/Sumer

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ssrv...87..241l&link_type=abstract

Space Science Reviews, v. 87, Issue 1/2, p. 241-244 (1999).

Physics

2

Uv Spectral Emission Lines, Solar Transition Region

Scientific paper

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.

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