Integral field spectroscopy of Na I D1/D2 lines reveals standing ~5.5 mHz oscillations at a sunspot umbral center indicating resonance-cavity dynamics, with propagating modes and damping at the boundary.
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R., Warner, M., Keil, S
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DKIST VBI observations identify 30 spicule events triggered by microfilaments as small as 0.17 Mm, revealing two morphological classes and occasional twisting motions.
A new source alignment technique applied to PSP and SO data reveals the solar wind speed increases by an average of 45% per radial decade between the spacecraft, indicating ongoing acceleration beyond 15 solar radii.
DKIST observations identify four-lobed Stokes U profiles as a potential signature of line-of-sight magnetic azimuth variation in sunspot penumbrae.
An automated detection method applied to simulated flare ribbon data identifies fine structures whose motions and flux distribution are consistent with plasmoid-mediated reconnection.
In the 2022 March 31 solar flare, hard X-ray QPPs correlate with UV pulsations in stationary ribbon regions tied to a specific loop system in a large-scale 3D reconnection structure, while slipping kernels experience weaker non-thermal energization.
K-means clustering of NICOLE inversions on DKIST/ViSP observations shows temperature dropping ~1000 K along fibrils from footpoints to mid-axis, abrupt lateral changes of hundreds of K, and denser fibrils associated with cooler downflowing plasma.
Multi-height Hα observations of a sunspot reveal standing and propagating slow magnetoacoustic waves whose phase relations support a non-ideal chromospheric acoustic resonator model.
Simulations find vortex regions exhibit higher temperatures and faster shock upflows, indicating they boost magnetoacoustic wave dissipation in the chromosphere.
Optimal wavelength strategies for DKIST/VTF enable detection of local acoustic source wavefronts from solar simulations.
Overview paper introducing the Sunrise III balloon-borne solar observatory, its 2024 flight, data volume, and the focus issue containing first scientific results.
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