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Large-scale solar eruptions often include ejection of a filament, a solar flare, and expulsion of a coronal mass ejection (CME). Unravelling the magnetic processes that build up the free energy for these eruptions and trigger that energy's…

太阳与恒星天体物理 · 物理学 2024-10-03 Alphonse C. Sterling , Ronald L. Moore , Navdeep K. Panesar

Solar coronal jets have been observed in detail since the early 1990s. While it is clear that these jets are magnetically driven, the details of the driving process has recently been updated. Previously it was suspected that the jets were a…

太阳与恒星天体物理 · 物理学 2019-12-06 Alphonse C. Sterling

Recent investigations indicate that solar coronal jets result from eruptions of small-scale chromospheric filaments, called minifilaments; that is, the jets are produced by scaled-down versions of typical-sized filament eruptions. We…

太阳与恒星天体物理 · 物理学 2016-12-07 Alphonse C. Sterling , Ronald L. Moore

Solar X-ray jets are evidently made by a burst of reconnection of closed magnetic field in a jet's base with ambient "open" field (1,2). In the widely-accepted version of the "emerging-flux" model, that reconnection occurs at a current…

太阳与恒星天体物理 · 物理学 2017-05-10 Alphonse C. Sterling , Ronald L. Moore , David A. Falconer , Mitzi Adams

Recent observations have revealed that many solar coronal jets involve the eruption of miniature versions of large-scale filaments. Such "mini-filaments" are observed to form along the polarity inversion lines of strong, magnetically…

太阳与恒星天体物理 · 物理学 2018-01-24 P. F. Wyper , C. R. DeVore , S. K. Antiochos

We report observations of ten random on-disk solar quiet region coronal jets found in high resolution Extreme Ultraviolet (EUV) images from the Solar Dynamics Observatory (SDO)/Atmospheric Imaging Assembly (AIA) and having good coverage in…

太阳与恒星天体物理 · 物理学 2016-11-23 Navdeep K. Panesar , Alphonse C. Sterling , Ronald L. Moore , Prithi Chakrapani

We investigated mini-filament (MF) eruptions near coronal hole (CH) boundaries to explore their role in coronal dynamics and their potential contributions to the solar wind. Using high-resolution H$\alpha$ images from the 1.6m Goode Solar…

太阳与恒星天体物理 · 物理学 2025-07-24 Nengyi Huang , Haimin Wang

Coronal mass ejections (CMEs) and coronal jets are two of the best-studied forms of solar eruptions, with the same underlying physics. Previous studies have presented partial eruptions producing coronal jets. We report, for the first time,…

太阳与恒星天体物理 · 物理学 2025-08-26 Abril Sahade , Judith Karpen , Spiro Antiochos

Jets (transient/collimated plasma ejections) occur frequently throughout the solar corona and contribute mass/energy to the corona and solar wind. By combining numerical simulations and high-resolution observations, we have made substantial…

太阳与恒星天体物理 · 物理学 2019-03-20 Pankaj Kumar , Judith T. Karpen , Spiro K. Antiochos , Peter F. Wyper , C. Richard DeVore , Craig E. DeForest

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…

太阳与恒星天体物理 · 物理学 2025-09-08 Song Tan , Alexander Warmuth , Frédéric Schuller , Yuandeng Shen , Jake A. J. Mitchell , Fanpeng Shi

Coronal mass ejections (CMEs) were discovered in the early 1970s when space-borne coronagraphs revealed that eruptions of plasma are ejected from the Sun. Today, it is known that the Sun produces eruptive flares, filament eruptions, coronal…

太阳与恒星天体物理 · 物理学 2018-03-14 Lucie Green , Tibor Torok , Bojan Vrsnak , Ward Manchester , Astrid Veronig

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…

太阳与恒星天体物理 · 物理学 2020-07-06 Navdeep K. Panesar , Ronald L. Moore , Alphonse C. Sterling

Solar flares are often accompanied by filament/prominence eruptions, sometimes leading to coronal mass ejections (CMEs). By analogy, we expect that stellar flares are also associated with stellar CMEs whose properties are essential to know…

太阳与恒星天体物理 · 物理学 2022-11-11 Kosuke Namekata , Hiroyuki Maehara , Satoshi Honda , Yuta Notsu , Daisaku Nogami , Kazunari Shibata

We examine in greater detail five events previously identified as being sources of strong transient coronal outflows in a solar polar region in Hinode/EUV Imaging Spectrometer (EIS) Doppler data. Although relatively compact or faint and…

太阳与恒星天体物理 · 物理学 2022-11-30 Alphonse C. Sterling , Conrad Schwanitz , Louise K. Harra , Nour E. Raouafi , Navdeep K. Panesar , Ronald L. Moore

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…

太阳与恒星天体物理 · 物理学 2020-06-24 Alphonse C. Sterling , Ronald L. Moore

In this paper, we present a detailed analysis of a coronal blowout jet eruption which was associated with an obvious extreme-ultraviolet (EUV) wave and one complicated coronal mass ejection (CME) event based on the multi-wavelength and…

太阳与恒星天体物理 · 物理学 2018-12-27 Y. H. Miao , Y. Liu , H. B. Li , Y. D. Shen , S. H. Yang , A. Elmhamdi , A. S. Kordi , Z. Z. Abidin

We present the multi-point and multi-wavelength observation and analysis on a solar coronal jet and coronal mass ejection (CME) event in this paper. Employing the GCS model, we obtained the real (three-dimensional) heliocentric distance and…

太阳与恒星天体物理 · 物理学 2015-11-20 Jiajia Liu , Yuming Wang , Chenglong Shen , Kai Liu , Zonghao Pan , S. Wang

Minifilaments are widespread small-scale structures in the solar atmosphere. To better understand their formation and eruption mechanisms, we investigate the entire life of a sigmoidal minifilament located below a large quiescent filament…

太阳与恒星天体物理 · 物理学 2024-05-28 Weilin Teng , Yingna Su , Rui Liu , Jialin Chen , Yanjie Liu , Jun Dai , Wenda Cao , Jinhua Shen , Haisheng Ji

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).…

Filament eruptions are magnetically driven violent explosions commonly observed on the Sun and late-type stars, sometimes leading to monster coronal mass ejections that directly affect the nearby planets' environments. More than a century…

太阳与恒星天体物理 · 物理学 2025-03-19 Hechao Chen , Hui Tian , Quanhao Zhang , Chuan Li , Chun Xia , Xianyong Bai , Zhenyong Hou , Kaifan Ji , Yuanyong Deng , Xiao Yang , Ziyao Hu
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