activity
20012026
most citedMagnetic Field Structures Triggering Solar Flares and Coronal Mass Ejections

214 citations · 1.7k across the 53 of their papers we have counts for

collaborators

54 papers

astro-ph.SR2026

Science operation, data handling, and ground support system of the SOLAR-C mission

Shin Toriumi, Mari Nishiyama, Keiichi Matsuzaki +16

SOLAR-C is an international solar-observing satellite mission led by Japan Aerospace Exploration Agency (JAXA). It aims to elucidate mass and energy transport in solar atmospheres…

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

Recurrent Coronal Jets and QPPs: Periodic Reconnection and Localized Heating Across Quiet-Sun to Active Regions

Sudheer K. Mishra, Kartika Sangal, Balveer Singh +3

We analyze quasi-periodic pulsations (QPPs) in recurrent coronal jets driven by periodic magnetic reconnection associated with successive flux emergence in the fan-spine magnetic t…

astro-ph.IM2026

Gender equality activities in Astronomical Society of Japan

Aya Bamba, Ayumi Asai, Ryohko Ishikawa +6

The female ratio in science field, including astronomy, is still quite low in Japan. We, the Astronomical Society of Japan, are making efforts to equalise the gender balance. In th…

astro-ph.SR2026

Statistical Study of Appearance Timing of H Postflare Loops: Simple Scaling Law Based on Radiative Cooling

Takato Otsu, Ayumi Asai, Kai Ikuta +1

Recent Sun-as-a-star studies have shown that postflare loops can manifest as a secondary peak in the H light curve, suggesting that stellar postflare loops are detectable. To un…

astro-ph.SR2025

Magnetic Field Configuration of a Quiescent Prominence Revealed by Large-amplitude Longitudinal Oscillations in End-view Observations

Jun Dai, Ayumi Asai, Dechao Song +2

Prominence seismology, applied to the large-amplitude longitudinal oscillation, is used to indirectly diagnose the geometry and strength of the magnetic fields inside the prominenc…