activity
20092026
most citedOn the Magnetic Field Strength of Active Region Filaments

82 citations · 142 across the 14 of their papers we have counts for

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12 papers · 1 filter

astro-ph.SR2026

Measuring the Expansion of Solar Magnetic Fields with Multiline Inversions from Sunrise III

Juan Carlos Trelles Arjona, María Jesús Martínez González, Christoph Kuckein +34

Magnetic fields in the solar atmosphere are expected to expand with height, forming magnetic canopies that couple the photosphere and chromosphere. Except for sunspots, direct meas…

astro-ph.SR2026

Cause of chromospheric opposite polarity intrusions discovered in Sunrise III/SCIP data: MURaM-ChE simulations point to twisted flux ropes

Patrick A. Ondratschek, Damien F. Przybylski, Robert H. Cameron +33

The Sunrise Chromospheric Infrared spectroPolarimeter (SCIP) instrument onboard the balloon-borne Sunrise III observatory provided new high-resolution observations of the solar chr…

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

High-order Paschen emission from the quiet-Sun off-limb chromosphere

Haocheng Yu, Yukio Katsukawa, Mingde Ding +31

We report the detection of high-order hydrogen Paschen emission lines (Pa~15, Pa~16, and Pa~17) in the quiet-Sun chromosphere off the solar limb using the Chromospheric Infrared Sp…

astro-ph.SR2026

Chromospheric Dynamics of an Umbral Flare Kernel - Based on Coordinated SUNRISE III SCIP and Domeless Solar Telescope Observations

Ayumi Asai, Satoru UeNo, Takuma Matsumoto +34

We report imaging spectroscopic observations of an M1.4 solar flare obtained during a coordinated observation between the infrared spectropolarimeter SCIP onboard the SUNRISE-III b…

astro-ph.SR2026

Expanding magnetic canopy structure and parasitic polarities in a quiet-Sun network element observed by Sunrise III/SCIP

Ryan J. Campbell, Carlos Quintero Noda, Mihalis Mathioudakis +35

We present high-resolution multi-line spectropolarimetric observations of a quiet-Sun network element obtained with the {\sc Sunrise~iii} Chromospheric Infrared SpectroPolarimeter.…

astro-ph.SR2026

Horizontal Magnetic Fields Dominate the Quiet Sun Internetwork in Sunrise III Observations. Evidence from Traditional and Transformer-Based Inversions

Ryan J. Campbell, Carlos Quintero Noda, Manuel Collados +32

The relative prevalence of horizontal and vertical magnetic fields in the quiet-Sun internetwork remains debated, owing to the weak linear polarisation signals that make the inferr…

astro-ph.SR2026★ 1 cited

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

Masahito Kubo, Yukio Katsukawa, Yusuke Kawabata +38

The balloon-borne stratospheric solar observatory Sunrise III successfully completed 6.5 days of observations in July 2024. One of its focal-plane instruments, the Sunrise Chromosp…

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

Vector Magnetic Field associated with an Active Region Filament Observed by SUNRISE III/SCIP in the Ca II 8542 Å 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★ 10 cited

The Sunrise Chromospheric Infrared Spectro-Polarimeter SCIP: an instrument for SUNRISE III

Y. Katsukawa, J. C. del Toro Iniesta, S. K. Solanki +54

The Sunrise balloon-borne solar observatory is equipped with a one-meter aperture optical telescope, offering a unique platform for uninterrupted seeing-free observations across ul…

astro-ph.SR2026

Temporal Evolution of Sunspot Groups and Increase in the Open flux During Solar Maximum in Cycle 24

Minami Yoshida, Toshifumi Shimizu, Shin Toriumi +1

The evolution of the global solar magnetic field directly impacts the interplanetary magnetic field (IMF). During the solar maximum of Cycle 24, the monthly averaged IMF strength d…