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Recent observations from Parker Solar Probe have revealed that the solar wind has a highly variable structure. How this complex behaviour is formed in the solar corona is not yet known, since it requires omnipresent fluctuations, which…

Understanding the density structure of the solar corona is important for modeling both coronal heating and the solar wind. Direct measurements are difficult because of line-of-sight integration and possible unresolved structures. We present…

太阳与恒星天体物理 · 物理学 2016-09-28 Michael Hahn , Daniel Wolf Savin

Prominences, or filaments, are a striking phenomenon in the solar atmosphere. Besides their own rich features and dynamics, they are related to many other activities, such as solar flares and coronal mass ejections (CMEs). In the past…

太阳与恒星天体物理 · 物理学 2014-07-08 P. F. Chen

The intermittency of solar power, due to occlusion from cloud cover, is one of the key factors inhibiting its widespread use in both commercial and residential settings. Hence, real-time forecasting of solar irradiance for grid-connected…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Leron Julian , Aswin C. Sankaranarayanan

Context: With the advancement of solar physics research, next-generation solar space missions and ground-based telescopes face significant challenges in efficiently transmitting and/or storing large-scale observational data. Aims: We…

天体物理仪器与方法 · 物理学 2025-10-27 Zedong Liu , Song Tan , Alexander Warmuth , Frédéric Schuller , Yun Hong , Wenjing Huang , Yida Gu , Bojing Zhu , Guangming Tan , Dingwen Tao

The He I 10830{\AA} line, a crucial optically thin chromospheric line, is frequently used to study coronal heating and vertical coupling across the chromosphere-corona interface. However, its images are severely contaminated by the strong…

太阳与恒星天体物理 · 物理学 2026-05-26 Huaiming Li , Fangyu Xu , Yi Bi , Zhenyu Jin

Solar eruptive events are complex phenomena, which most often include coronal mass ejections (CME), CME-driven compressive and shock waves, flares, and filament eruptions. CMEs are large eruptions of magnetized plasma from the Sun's outer…

太阳与恒星天体物理 · 物理学 2025-12-19 Oleg Stepanyuk , Kamen Kozarev

This work deals with the study of an erupting prominence embedded in the core of a CME and focuses on the derivation of the prominence plasma filling factor. We explore two methods to measure the prominence plasma filling factor that are…

太阳与恒星天体物理 · 物理学 2018-09-19 R. Susino , A. Bemporad , S. Jejčič , P. Heinzel

Prominences in the solar corona are hundredfold cooler and denser than their surroundings, with a total mass of 1.e13 up to 1.e15 g. Here we report on the first comprehensive simulations of three-dimensional, thermally and gravitationally…

太阳与恒星天体物理 · 物理学 2015-06-22 Chun Xia , Rony Keppens , Patrick Antolin , Oliver Porth

Extreme UltraViolet images of the corona contain information over a large range of spatial scales, and different structures such as active regions, quiet Sun and filament channels contain information at very different brightness regimes.…

太阳与恒星天体物理 · 物理学 2015-06-19 Huw Morgan , Miloslav Druckmuller

Photometric classification of Type Ia supernovae is essential for modern time-domain surveys, where spectroscopic confirmation is not always feasible for the full transient sample. In this work, we investigate a compact and physically…

天体物理仪器与方法 · 物理学 2026-03-17 Anurag Garg

One of the most striking structures in the solar atmosphere are prominences, predominantly coronal structures, with thermodynamic conditions that vary from chromospheric internally to the corona that surrounds them. These structures play an…

太阳与恒星天体物理 · 物理学 2025-05-14 V. Jerčić , B. Popescu Braileanu , R. Keppens

Quiescent prominences are thin slabs of cold, dense plasma embedded in the much hotter and rarer solar corona. Although their global shape is rather irregular, they are often characterised by an internal structure consisting of a large…

太阳与恒星天体物理 · 物理学 2010-02-23 R. Oliver

We present results of a global survey of single-pixel intensity power spectra from a 12-hour time period on 26 June 2013 in a 1600x1600 pixel region from four channels of the Solar Dynamics Observatory (SDO) Atmospheric Imaging Assembly…

太阳与恒星天体物理 · 物理学 2019-01-29 Karl Battams , Brendan M. Gallagher , Robert S. Weigel

Colon polyps are precursors to colorectal cancer, a leading cause of cancer-related mortality worldwide. Early detection is critical for improving patient outcomes. This study investigates the application of deep learning-based object…

图像与视频处理 · 电气工程与系统科学 2025-08-20 Md Al Amin , Bikash Kumar Paul

Global extreme ultraviolet (EUV) waves are spectacular traveling disturbances in the solar corona associated with energetic eruptions such as coronal mass ejections (CMEs) and flares. Over the past 15 years, observations from three…

太阳与恒星天体物理 · 物理学 2014-05-07 Wei Liu , Leon Ofman

During the last decade, a considerable amount of effort has been made to classify variable stars using different machine learning techniques. Typically, light curves are represented as vectors of statistical descriptors or features that are…

天体物理仪器与方法 · 物理学 2018-10-31 Carlos Aguirre , Karim Pichara , Ignacio Becker

The classification of solar prominences has proven to be challenging due to their diverse morphologies and dynamical behaviour. Complexity is heightened when considering eruptive prominences, where the dynamics demand methods capable of…

太阳与恒星天体物理 · 物理学 2025-06-02 Harry Birch , Stéphane Régnier

Active prominences exhibit plasma motions, resulting in difficulties with the interpretation of spectroscopic observations. These solar features being strongly influenced by the radiation coming from the solar disk, Doppler dimming or…

天体物理学 · 物理学 2007-05-23 Nicolas Labrosse , Pierre Gouttebroze , Jean-Claude Vial

We investigate the high-speed ($v >$ 1000 km s$^{-1}$) extreme-ultraviolet (EUV) wave associated with an X1.2 flare and coronal mass ejection (CME) from NOAA active region 11283 on 2011 September 6 (SOL2011-09-06T22:12). This EUV wave…

太阳与恒星天体物理 · 物理学 2016-10-26 Karin Dissauer , Manuela Temmer , Astrid M. Veronig , Kamalam Vanninathan , Jasmina Magdalenić