Circular-ribbon flares and the related activities

Q Zhang - Reviews of Modern Plasma Physics, 2024 - Springer
Solar flares are an impulsive increase of emissions as a result of impetuous release of
magnetic free energy. This paper will present the recent progress on circular-ribbon flares …

Beyond the disk: EUV coronagraphic observations of the Extreme Ultraviolet Imager on board Solar Orbiter

F Auchère, D Berghmans, C Dumesnil… - Astronomy & …, 2023 - aanda.org
Context. Most observations of the solar corona beyond 2 R⊙ consist of broadband visible
light imagery carried out with coronagraphs. The associated diagnostics mainly consist of …

First Determination in the Extended Corona of the 2D Thermal Evolution of a Current Sheet after a Solar Eruption

A Bemporad, G Shi, S Li, B Ying, L Feng… - The Astrophysical …, 2024 - iopscience.iop.org
For the first time the evolution of the coronal reconfiguration after a coronal mass ejection
(CME) was observed by the multichannel Metis Coronagraph on board the ESA–Solar …

Eruptive events with exceptionally bright emission in HI Ly-α observed by the Metis coronagraph

G Russano, V Andretta, Y De Leo, L Teriaca… - Astronomy & …, 2024 - aanda.org
Context. Ultraviolet (UV) emission from coronal mass ejections can provide information on
the evolution of plasma dynamics, temperature, and elemental composition, as …

Comparison of the On-disk Apparent Current Sheets with the Limb Ones

T Ding, J Zhang - The Astrophysical Journal, 2024 - iopscience.iop.org
Based on observations from the Solar Dynamics Observatory (SDO) and the Solar and
Heliospheric Observatory (SOHO), we investigate 30 apparent current sheets during 1999 …

SoloHI observations of coronal mass ejections observed by multiple spacecraft

P Hess, RC Colaninno, A Vourlidas… - Astronomy & …, 2023 - aanda.org
Context. The Solar Orbiter Heliospheric Imager (SoloHI) instrument of the Solar Orbiter
mission is a next-generation heliospheric imager. New observations from SoloHI …

Preliminary Discussion on the Current Sheet

T Ding, J Zhang, Y Fang, Z Ma - The Astrophysical Journal, 2024 - iopscience.iop.org
The current sheet is a characteristic structure of magnetic energy dissipation during the
magnetic reconnection process. So far, the width and depth of the current sheet are still …

Formation and thermodynamic evolution of plasmoids in active region jets

SM Mulay, D Tripathi, H Mason… - Monthly Notices of …, 2023 - academic.oup.com
We have carried out a comprehensive study of the temperature structure of plasmoids, which
successively occurred in recurrent active region jets. The multithermal plasmoids were seen …

Space weather-related activities and projects on-going at INAF-Turin Observatory

A Bemporad, S Fineschi, L Abbo, C Benna… - … Lincei. Scienze Fisiche …, 2023 - Springer
Abstract The Solar Physics Group at the INAF-Turin Astrophysical Observatory (OATo) is
actually involved in different Space Weather (SW) projects and missions. In particular, this …

[HTML][HTML] Influence of magnetic reconnection on the eruptive catastrophes of coronal magnetic flux ropes

Q Zhang, X Cheng, R Liu, A Song, X Li… - Frontiers in Astronomy …, 2023 - frontiersin.org
Introduction: Large-scale solar eruptive activities have a close relationship with coronal
magnetic flux ropes. Previous numerical studies have found that the equilibrium of a coronal …