Simultaneous Observations of the Chromosphere with TRACE and SUMER

Details Simultaneous Observations of the Chromosphere with TRACE and SUMER Simultaneous Observations of the Chromosphere with TRACE and SUMER

2010-10-22

arxiv.org/abs/1010.4814v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

14 pages, 10 figures, accepted by Solar Physics

Scientific paper

Using mainly the 1600 angstrom continuum channel, and also the 1216 angstrom Lyman-alpha channel (which includes some UV continuum and C IV emission), aboard the TRACE satellite, we observed the complete lifetime of a transient, bright chromospheric loop. Simultaneous observations with the SUMER instrument aboard the SOHO spacecraft revealed interesting material velocities through the Doppler effect existing above the chromospheric loop imaged with TRACE, possibly corresponding to extended non-visible loops, or the base of an X-ray jet.

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