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相关论文: Coronal dimmings and what they tell us about solar…

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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

Solar coronal dimmings have been observed extensively in the past two decades. Due to their close association with coronal mass ejections (CMEs), there is a critical need to improve our understanding of the physical processes that cause…

太阳与恒星天体物理 · 物理学 2022-04-13 Meng Jin , Mark C. M. Cheung , Marc L. DeRosa , Nariaki V. Nitta , Carolus J. Schrijver

Solar coronal dimmings have been observed extensively in the past two decades and are believed to have close association with coronal mass ejections (CMEs). Recent study found that coronal dimming is the only signature that could…

We present a statistical study of 62 coronal dimming events associated with Earth-directed CMEs during the quasi-quadrature period of STEREO and SDO. This unique setting allows us to study both phenomena in great detail and compare…

太阳与恒星天体物理 · 物理学 2019-04-10 Karin Dissauer , Astrid M. Veronig , Manuela Temmer , Tatiana Podladchikova

Coronal dimmings are distinct phenomena associated to coronal mass ejections (CMEs). The study of coronal dimmings and the extraction of their characteristic parameters helps us to obtain additional information of CMEs, especially on the…

太阳与恒星天体物理 · 物理学 2018-04-04 Karin Dissauer , Astrid M. Veronig , Manuela Temmer , Tatiana Podladchikova , Kamalam Vanninathan

Coronal mass ejections (CMEs) are huge expulsions of magnetized matter from the Sun and stars, traversing space with speeds of millions of kilometers per hour. Solar CMEs can cause severe space weather disturbances and consumer power…

太阳与恒星天体物理 · 物理学 2021-10-26 Astrid M. Veronig , Petra Odert , Martin Leitzinger , Karin Dissauer , Nikolaus C. Fleck , Hugh S. Hudson

Coronal mass ejections (CMEs) are solar eruptions of plasma and magnetic fields that significantly impact Space Weather, causing disruptions in technological systems and potential damage to power grids when directed towards Earth.…

太阳与恒星天体物理 · 物理学 2024-10-07 Shantanu Jain , Tatiana Podladchikova , Galina Chikunova , Karin Dissauer , Astrid M. Veronig

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

Coronal dimmings are regions of reduced emission in the lower corona, observed after coronal mass ejections (CMEs) and representing their footprints. In order to investigate the long-term evolution of coronal dimming and its recovery, we…

太阳与恒星天体物理 · 物理学 2024-10-04 Giulia M. Ronca , Galina Chikunova , Karin Dissauer , Tatiana Podladchikova , Astrid M. Veronig

We present a statistical analysis of 43 coronal dimming events, associated with Earth-directed CMEs that occurred during the period of quasi-quadrature of the SDO and STEREO satellites. We studied coronal dimmings that were observed above…

太阳与恒星天体物理 · 物理学 2020-06-11 Galina Chikunova , Karin Dissauer , Tatiana Podladchikova , Astrid M. Veronig

Stealth coronal mass ejections (CMEs) are eruptions from the Sun that have no obvious low coronal signature. These CMEs are characteristically slower events, but can still be geoeffective and affect space weather at Earth. Therefore,…

太阳与恒星天体物理 · 物理学 2019-09-11 Jennifer O'kane , Lucie Green , David M. Long , Hamish Reid

Eruptions of coronal mass ejections (CMEs) from the Sun are usually associated with a number of signatures that can be identified in solar disc imagery. However, there are cases in which a CME that is well observed in coronagraph data is…

We present the results from analyzing the physical and morphological properties of 154 dimmings (transient coronal holes) and the associated flares and coronal mass ejections (CMEs). Each dimming in our 2013 catalog was processed with the…

太阳与恒星天体物理 · 物理学 2017-05-31 Larisza D. Krista , Alysha A. Reinard

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 dimming of extreme ultraviolet (EUV) emission has the potential to be a useful forecaster of coronal mass ejections (CMEs). As emitting material leaves the corona, a temporary void is left behind which can be observed in spectral…

太阳与恒星天体物理 · 物理学 2014-06-25 J. P. Mason , T. N. Woods , A. Caspi , B. J. Thompson , R. A. Hock

We investigate the early phase of the 13 February 2009 coronal mass ejection (CME). Observations with the twin STEREO spacecraft in quadrature allow us to compare for the first time in one and the same event the temporal evolution of…

太阳与恒星天体物理 · 物理学 2015-05-30 C. Miklenic , A. M. Veronig , M. Temmer , C. Möstl , H. K. Biernat

Solar mini-dimmings can be detect in the Extreme Ultra-Violet coro- nal eruptions. Here, sequences of 171 A images taken by Solar Dynamic Observa- tory/Atmospheric Imaging Assembaly on 13 June 2010 are used. In this special day, both of…

太阳与恒星天体物理 · 物理学 2013-11-11 Nasibe Alipour , Hossein Safari

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 Mass ejections or CMEs are large dynamical solar-corona events. The mass balance and kinematics of a fast limb CME, including its prominence progenitor and the associated flare, will be compared with computed magnetic structures to…

天体物理学 · 物理学 2009-11-13 Serge Koutchmy , Vladimir Slemzin , Boris Filippov , Jacques-Clair Noens , David Romeuf , Leon Golub

Coronal dimmings are regions of transiently reduced brightness in extreme ultraviolet (EUV) and soft X-ray (SXR) emissions associated with coronal mass ejections (CMEs), providing key insights into CME initiation and early evolution. During…

太阳与恒星天体物理 · 物理学 2025-06-06 Amaia Razquin , Astrid M. Veronig , Karin Dissauer , Tatiana Podladchikova , Shantanu Jain
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