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Extremely diverse coronal jets accompanying an erupting filament captured by Solar Orbiter

  • Song Tan
  • , Alexander Warmuth*
  • , Frédéric Schuller
  • , Yuandeng Shen
  • , Jake A.J. Mitchell
  • , Fanpeng Shi
  • *Corresponding author for this work
  • Leibniz Institute for Astrophysics Potsdam
  • University of Potsdam
  • Harbin Institute of Technology Shenzhen
  • CAS - Purple Mountain Observatory

Research output: Contribution to journalArticlepeer-review

Abstract

Solar jets are collimated plasma ejections driven by magnetic reconnection, which play a critical role in the energy release and mass transport in the solar atmosphere. Using Solar Orbiter’s Extreme Ultraviolet Imager (EUI) with its unprecedented spatiotemporal resolution, we report the discovery of nine transient coronal jets associated with a filament eruption on September 30, 2024. These jets, with a median lifetime of only 22 seconds, have significantly shorter timescales than previously observed coronal jets. They exhibit diverse morphologies and properties, evolving through three distinct phases of the filament eruption: initiation, rise, and peak. The spatial and temporal distribution of the jets suggests they are driven by dynamic magnetic reconnection between the erupting filament and overlying magnetic fields. These jets represent a distinct class of phenomena different from traditional mini-filament-driven jets, being directly associated with large-scale filament eruption processes. This study reveals a previously unrecognised class of highly transient jets, highlighting the complexity of reconnection-driven processes during filament eruptions and underscoring the importance of high-resolution observations in uncovering fundamental plasma dynamics in the solar atmosphere.

Original languageEnglish
Article numberA189
JournalAstronomy and Astrophysics
Volume702
DOIs
StatePublished - 1 Oct 2025
Externally publishedYes

Keywords

  • Sun: activity
  • Sun: corona
  • Sun: filaments
  • Sun: flares
  • prominences

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