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7 papers

astro-ph.SR2026

Magnetoacoustic Portals in Quiet-Sun Fluxtubes Revealed by Chromospheric Spectropolarimetry with SUNRISE III/SCIP

Takayoshi Oba, Yukio Katsukawa, Masahito Kubo +36

Acoustic waves propagate into the chromosphere, contributing to energy transport and their dynamics. Their upward propagation is restricted to frequencies above the acoustic cutoff…

astro-ph.SR2026

Three-dimensional Magnetic Structures of Ellerman Bombs revealed by SUNRISE III/SCIP

Yusuke Kawabata, Yukio Katsukawa, Masahito Kubo +37

Ellerman bombs (EBs) are widely recognized as photospheric and chromospheric signatures of magnetic reconnection. However, the three-dimensional (3D) magnetic topology has remained…

astro-ph.SR2026

Three-dimensional Magnetic Field Structure of a Quiet-Sun Region Revealed by Sunrise III/SCIP

Masahito Kubo, Yukio Katsukawa, Yusuke Kawabata +38

The paper presents high‑precision spectropolarimetric observations of a quiet‑Sun region using the Sunrise III/SCIP instrument, revealing narrow, thread‑like chromospheric magnetic…

astro-ph.IM2026

GLTCAM: Concept of Multi-color Millimeter and Submillimeter Camera for the Greenland Telescope

Shuhei Inoue, Tatsuya Takekoshi, Shinsuke Uno +12

To investigate the formation history of large-scale structure through the dynamics of galaxy clusters, we are developing a multi-color millimeter and submillimeter-wave continuum c…

astro-ph.SR2026

Vector Magnetic Field associated with an Active Region Filament Observed by SUNRISE III/SCIP in the Ca II 8542 Ã Line

Takuma Matsumoto, Yukio Katsukawa, Masahito Kubo +38

We report high-spatial-resolution spectropolarimetric observations spatially associated with a solar filament, obtained with the SUNRISE Chromospheric Infrared spectro-Polarimeter…

astro-ph.SR2026

Sunrise III: Instrument, mission, data, and first results

Sami K. Solanki, H. N. Smitha, Andreas Lagg +66

Sunrise III is a stratospheric balloon-borne solar observatory with a 1-m diameter telescope and three post-focus instruments, along with an image stabilisation system, all within…