3 papers
astro-ph.SR2025
Large Magnetic Flux Rope Formation in an X2.1 Flare observed on September 6, 2011
Arpita Roddanavar, Satoshi Inoue, Keiji Hayashi +3
Solar active region 11283 produced an X2.1 flare associated with a solar eruption on September 6, 2011. Observations revealed a preflare sigmoidal structure and a circular flare ri…
astro-ph.SR2025
MVPinn: Integrating Milne-Eddington Inversion with Physics-Informed Neural Networks for GST/NIRIS Observations
Qin Li, Bo Shen, Haodi Jiang +5
We introduce MVPinn, a Physics-Informed Neural Network (PINN) approach tailored for solving the Milne-Eddington (ME) inversion problem, specifically applied to spectropolarimetric…
astro-ph.SR2025
Acceleration of Solar Eruptions via Enhanced Torus Instability Driven by Small-Scale Flux Emergence
Satoshi Inoue, Takahiro Miyoshi, Keiji Hayashi +4
Despite decades of research, the fundamental processes involved in the initiation and acceleration of solar eruptions remain not fully understood, making them long-standing and cha…