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On connecting the dynamics of the chromosphere and transition region with Hinode SOT and EIS
Viggo H. Hansteen, Bart De Pontieu, Mats Carlsson +14
We use coordinated Hinode SOT/EIS observations that include high-resolution magnetograms, chromospheric and TR imaging and TR/coronal spectra in a first test to study how the dynam…
A Tale Of Two Spicules: The Impact of Spicules on the Magnetic Chromosphere
Bart De Pontieu, Scott W. McIntosh, Viggo H. Hansteen +11
We use high-resolution observations of the Sun in Ca II H 3968 A from the Solar Optical Telescope on Hinode to show that there are at least two types of spicules that dominate the…
Spectroscopic measurements of dynamic fibrils in the Ca {\small{II}} 8662 Å line
Oystein Langangen, Mats Carlsson, Luc Rouppe van der Voort +2
We present high spatial resolution spectroscopic measurements of dynamic fibrils (DFs) in the Ca {\small{II}} 8662 Å line. These data show clear Doppler shifts in the identified DF…
Can High Frequency Acoustic Waves Heat the Quiet Sun Chromosphere?
Mats Carlsson, Viggo H. Hansteen, Bart De Pontieu +9
We use Hinode/SOT Ca II H-line and blue continuum broadband observations to study the presence and power of high frequency acoustic waves at high spatial resolution. We find that t…
Numerical Simulations of Shock Wave-Driven Jets
L. Heggland, B. De Pontieu, V. H. Hansteen
We present the results of numerical simulations of shock wave-driven jets in the solar atmosphere. The dependence of observable quantities like maximum velocity and deceleration on…