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Related papers: Coronal Mini-jets in an Activated Solar Tornado-li…

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Most of the commonly discussed solar coronal jets are of the type consisting of a single spire extending approximately vertically from near the solar surface into the corona. Recent research supports that eruption of a miniature filament…

Solar and Stellar Astrophysics · Physics 2019-02-13 Alphonse C. Sterling , Louise K. Harra , Ronald L. Moore , David A. Falconer

Intensity bursts in ultraviolet (UV) to X-ray wavelengths and plasma jets are typical signatures of magnetic reconnection and the associated impulsive heating of the solar atmospheric plasma. To gain new insights into the process,…

Solar and Stellar Astrophysics · Physics 2021-12-15 L. P. Chitta , S. K. Solanki , H. Peter , R. Aznar Cuadrado , L. Teriaca , U. Schühle , F. Auchère , D. Berghmans , E. Kraaikamp , S. Gissot , C. Verbeeck

Su et al. 2012 proposed a new explanation for filament formation and eruption, where filament barbs are rotating magnetic structures driven by underlying vortices on the surface. Such structures have been noticed as tornado-like prominences…

Solar and Stellar Astrophysics · Physics 2015-06-18 Yang Su , Peter Gömöry , Astrid Veronig , Manuela Temmer , Tongjiang Wang , Kamalam Vanninathan , Weiqun Gan , Youping Li

Small-scale eruptions could play an important role in coronal heating, generation of solar energetic particles (SEPs), and mass source of the solar wind. However, they are poorly observed, and their characteristics, distributions, and…

Solar and Stellar Astrophysics · Physics 2024-10-24 Rui Wang , Ying D. Liu , Xiaowei Zhao , Huidong Hu

A small blowout jet was observed at the boundary of the south polar coronal hole on 2011 February 8 at around 21:00 UT. Images from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) revealed an expanding…

Solar and Stellar Astrophysics · Physics 2015-06-18 Peter R. Young , Karin Muglach

The Parker Solar Probe (PSP) has observed copious rapid magnetic field direction changes in the near-Sun solar wind. These features have been called "switchbacks," and their origin is a mystery. But their widespread nature suggests that…

Solar and Stellar Astrophysics · Physics 2020-06-24 Alphonse C. Sterling , Ronald L. Moore

Recent IRIS observations have revealed a prevalence of intermittent small-scale jets with apparent speeds of 80 - 250 km s$^{-1}$, emanating from small-scale bright regions inside network boundaries of coronal holes. We find that these…

Solar and Stellar Astrophysics · Physics 2016-04-22 Nancy Narang , Rebecca T. Arbacher , Hui Tian , Dipankar Banerjee , Steven R. Cranmer , Ed E. DeLuca , Sean McKillop

Observations from the X-ray telescope (XRT) on Hinode are used to study the nature of X-ray bright points, sources of coronal jets. Several jet events in the coronal holes are found to erupt from small-scale, S-shaped bright regions. This…

Solar and Stellar Astrophysics · Physics 2015-05-19 N. -E. Raouafi , M. K. Georgoulis , D. M. Rust , P. N. Bernasconi

Recent observations show that the buildup and triggering of minifilament eruptions that drive coronal jets result from magnetic flux cancelation at the neutral line between merging majority- and minority-polarity magnetic flux patches. We…

Solar and Stellar Astrophysics · Physics 2018-11-28 Navdeep K. Panesar , Alphonse C. Sterling , Ronald L. Moore , Sanjiv K. Tiwari , Bart De Pontieu , Aimee A. Norton

We present high-resolution, high-cadence observations of six, fine-scale, on-disk jet-like events observed by the High-resolution Coronal Imager 2.1 (Hi-C 2.1) during its sounding-rocket flight. We combine the Hi-C 2.1 images with images…

Small-scale jet-like eruptions, such as picoflare jets and jetlets, are recognized as potential contributors to coronal heating and solar wind acceleration, yet their physical origin is still not fully established. Using…

Solar and Stellar Astrophysics · Physics 2026-02-23 Annu Bura , Daniel Nóbrega-Siverio , Tanmoy Samanta , Jayant Joshi

A three-dimensional numerical experiment of the launching of a hot and fast coronal jet followed by several violent eruptions is analyzed in detail. These events are initiated through the emergence of a magnetic flux rope from the solar…

Solar and Stellar Astrophysics · Physics 2015-06-15 Fernando Moreno-Insertis , Klaus Galsgaard

We present detailed analysis of an active region coronal jet accompanying a minifilament eruption that is fully captured and well-resolved in high spatial resolution 174A coronal images from Solar Orbiters Extreme Ultraviolet Imager (EUI).…

The slow solar wind belt in the quiet corona, observed with the Metis coronagraph on board Solar Orbiter on May 15, 2020, during the activity minimum of the cycle 24, in a field of view extending from 3.8 $R_\odot$ to 7.0 $R_\odot$, is…

We examine the initiation of 10 coronal jet eruptions in quiet regions on the central disk, thereby avoiding near-limb spicule-forest obscuration of the slow-rise onset of the minifilament eruption. From the SDO/AIA 171A 12-second-cadence…

Solar and Stellar Astrophysics · Physics 2020-07-06 Navdeep K. Panesar , Ronald L. Moore , Alphonse C. Sterling

High spatial- and temporal-resolution images of coronal hole regions show a dynamical environment where mass flows and jets are frequently observed. These jets are believed to be important for the coronal heating and the acceleration of the…

Solar and Stellar Astrophysics · Physics 2013-10-31 K. Chandrashekhar , A. Bemporad , D. Banerjee , G. R. Gupta , L. Teriaca

A new solar feature termed a dark jet is identified from observations of an extended solar coronal hole that was continuously monitored for over 44 hours by the EUV Imaging Spectrometer on board the Hinode spacecraft in 2011 February 8-10.…

Solar and Stellar Astrophysics · Physics 2015-06-23 Peter R. Young

Coronal jets are transient narrow features in the solar corona that originate from all regions of the solar disk: active regions, quiet sun, and coronal holes. Recent studies indicate that at least some coronal jets in quiet regions and…

Solar and Stellar Astrophysics · Physics 2019-09-04 Riley A. McGlasson , Navdeep K. Panesar , Alphonse C. Sterling , Ronald Moore

One of the possible mechanisms for heating the solar atmosphere is the magnetic reconnection occurring at different spatio-temporal scales. The discovery of fast bursty nanojets due to reconnection in the coronal loops has been linked to…

Solar and Stellar Astrophysics · Physics 2022-10-26 Ritesh Patel , Vaibhav Pant

A set of 23 observations of coronal jet events that occurred in coronal bright points has been analyzed. The focus was on the temporal evolution of the mean brightness before and during coronal jet events. In the absolute majority of the…