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相关论文: The Temperature-Dependent Nature of Coronal Dimmin…

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Emerging dimming occurs in isolated solar active regions (ARs) during the early stages of magnetic flux emergence. Observed by the Atmospheric Imaging Assembly, it features a rapid decrease in extreme-ultraviolet (EUV) emission in the 171…

太阳与恒星天体物理 · 物理学 2021-05-05 Anna V. Payne , Xudong Sun

Coronal mass ejections (CMEs) are often accompanied by coronal dimming evident in extreme ultraviolet (EUV) and soft X-ray observations. The locations of dimming are sometimes considered to map footpoints of the erupting flux rope. As the…

太阳与恒星天体物理 · 物理学 2016-07-06 J. X. Cheng , J. Qiu

We investigate the occurrence of a CME-driven coronal dimming using unique high resolution spectral images of the corona from the Hinode spacecraft. Over the course of the dimming event we observe the dynamic increase of non-thermal line…

天体物理学 · 物理学 2011-02-11 Scott W. McIntosh

Coronal mass ejections (CMEs) are often associated with coronal dimmings, i.e. transient dark regions that are most distinctly observed in Extreme Ultra-violet (EUV) wavelengths. Using Atmospheric Imaging Assembly (AIA) data, we apply…

太阳与恒星天体物理 · 物理学 2018-05-02 Kamalam Vanninathan , Astrid M. Veronig , Karin Dissauer , Manuela Temmer

Coronal dimmings, localized regions of reduced emission in the EUV and soft X-rays, are interpreted as density depletions due to mass loss during the CME expansion. They contain crucial information on the early evolution of CMEs low in the…

太阳与恒星天体物理 · 物理学 2018-08-29 Karin Dissauer , Astrid M. Veronig , Manuela Temmer , Tatiana Podladchikova , Kamalam Vanninathan

We report on the Atmospheric Imaging Assembly (AIA) observations of plasma outflows originating in a coronal dimming during the 2015 April 28th filament eruption. After the filament started to erupt, two flare ribbons formed, one of which…

太阳与恒星天体物理 · 物理学 2021-01-20 Juraj Lörinčík , Jaroslav Dudík , Guillaume Aulanier , Brigitte Schmieder , Leon Golub

The solar corona is much hotter than the photosphere and chromosphere, but the physical mechanism responsible for heating the coronal plasma remains unidentified yet. The thermal microwave emission, which is produced in strong magnetic…

太阳与恒星天体物理 · 物理学 2025-08-27 Alexey A. Kuznetsov , Gregory D. Fleishman , Gelu M. Nita , Sergey A. Anfinogentov

We continue the investigation of a CME-driven coronal dimming from December 14 2006 using unique high resolution imaging of the chromosphere and corona from the Hinode spacecraft. Over the course of the dimming event we observe the dynamic…

太阳与恒星天体物理 · 物理学 2009-01-20 Scott W. McIntosh , Joan Burkepile , Robert J. Leamon

Failed filament eruptions are solar eruptions that are not associated with coronal mass ejections. In a failed filament eruption, the filament materials usually show some ascending and falling motions as well as generate bright EUV…

太阳与恒星天体物理 · 物理学 2017-03-29 Y. Li , M. D. Ding

Extreme ultraviolet (EUV) coronal dimmings are often observed in response to solar eruptive events. These phenomena can be generated via several different physical processes. For space weather, the most important of these is the temporary…

太阳与恒星天体物理 · 物理学 2016-10-12 James Paul Mason , Thomas N. Woods , David F. Webb , Barbara J. Thompson , Robin C. Colaninno , Angelos Vourlidas

Coronal dimmings associated with coronal mass ejections (CME) from the Sun have gained much attention since the late 1990s when they were first observed in high-cadence imagery of the SOHO/EIT and Yohkoh/SXT instruments. They appear as…

The objectives of the present study is to provide a better physical understanding of the complex inter-relation and evolution of several solar coronal features comprising a double-peak flare, a coronal dimming caused by a CME, a CME-driven…

太阳与恒星天体物理 · 物理学 2015-06-23 M. S. Madjarska , J. G. Doyle , J. Shetye

Observations of the off-limb corona with the SWAP wide-field telescope in the 174\,\AA\ passband onboard the PROBA2 mission provide an opportunity to study post-eruptive processes in the dimming regions. We investigate morphology, temporal…

太阳与恒星天体物理 · 物理学 2020-03-26 F. Goryaev , V. Slemzin , D. Rodkin

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…

太阳与恒星天体物理 · 物理学 2024-10-24 Rui Wang , Ying D. Liu , Xiaowei Zhao , Huidong Hu

Filament eruptions are considered to be a common phenomenon on the Sun and other stars, yet they are rarely directly imaged in the meter and decimeter wavebands. Using imaging data from the DAocheng solar Radio Telescope (DART) in the…

太阳与恒星天体物理 · 物理学 2025-04-14 Zhenyong Hou , Hui Tian , Jingye Yan , Maria S. Madjarska , Jiale Zhang , Yu Xu , Hechao Chen , Zhao Wu , Lin Wu , Xuning Lv , Yang Yang , Yujie Liu , Li Deng , Li Feng , Ye Qiu

The heating of the solar corona and the puzzle of the slender high reaching magnetic loops seen in observations from the Transition Region And Coronal Explorer(TRACE) has been investigated through 3D numerical simulations, and found to be…

天体物理学 · 物理学 2007-05-23 Boris V. Gudiksen , Aake Nordlund

The EUI instrument on the Solar Orbiter spacecraft has obtained the most stable, high-resolution images of the solar corona from its orbit with a perihelion near 0.4 AU. A sequence of 360 images obtained at 17.1 nm, between 25-Oct-2022…

太阳与恒星天体物理 · 物理学 2023-09-12 Philip G. Judge

A coronal hole formed as a result of a quiet-Sun filament eruption close to the solar disk center on 2014 June 25. We studied this formation using images from the Atmospheric Imaging Assembly (AIA), magnetograms from the Helioseismic and…

We report on the plasma properties of small-scale transient events identified in the quiet Sun, coronal holes and their boundaries. We use spectroscopic co-observations from SUMER/SoHO and EIS/Hinode combined with high cadence imaging data…

太阳与恒星天体物理 · 物理学 2015-06-05 M. S. Madjarska , Z. Huang , J. G. Doyle , S. Subramanian

We analyzed AIA/SDO high-cadence images in all bands, HMI/SDO data, soft X-ray images from SXI/GOES-15, and Halpha images from the GONG network. We detected umbral brightenings that were visible in all AIA bands as well as in Halpha.…

太阳与恒星天体物理 · 物理学 2015-06-16 C. E. Alissandrakis , S. Patsourakos
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