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The Sun constantly releases radiation and plasma into the heliosphere. Sporadically, the Sun launches solar eruptions such as flares and coronal mass ejections (CMEs). CMEs carry away a huge amount of mass and magnetic flux with them. An…

Solar and Stellar Astrophysics · Physics 2023-05-02 Khalid A. Alobaid , Jason T. L. Wang

Our knowledge of the properties of Coronal Mass Ejections (CMEs) in the inner heliosphere is constrained by the relative lack of plasma observations between Sun and 1 AU. In this work, we present a comprehensive catalog of 47 CMEs measured…

Space Physics · Physics 2020-05-06 T. M. Salman , R. M. Winslow , N. Lugaz

Recent advances in visual industrial anomaly detection have demonstrated exceptional performance in identifying and segmenting anomalous regions while maintaining fast inference speeds. However, anomaly classification-distinguishing…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Sassan Mokhtar , Arian Mousakhan , Silvio Galesso , Jawad Tayyub , Thomas Brox

The CEA/LETI and CEA/SAp started the development of far-infrared filled bolometer arrays for space applications over a decade ago. The unique design of these detectors makes possible the assembling of large focal planes comprising thousands…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Nicolas Billot , M. Sauvage , L. Rodriguez , B. Horeau , C. Kiss , H. Aussel , K. Okumura , O. Boulade , B. Altieri , A. Poglitsch , P. Agnese

Simultaneous in situ measurements of coronal mass ejections (CMEs), including both plasma and magnetic field, by two spacecraft in radial alignment have been extremely rare. Here, we report on one such CME measured by Solar Orbiter (SolO)…

Solar and Stellar Astrophysics · Physics 2023-11-27 F. Regnault , N. Al-Haddad , N. Lugaz , C. J. Farrugia , W. Yu , B. Zhuang , E. E. Davies

Methane is a potent greenhouse gas, and detecting its leaks early via hyperspectral satellite imagery can help mitigate climate change. Meanwhile, many existing missions operate in manual tasking regimes only, thus missing potential events…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Jonáš Herec , Vít Růžička , Rado Pitoňák

We report on results of the on-ground X-ray calibration of the Lobster Eye Imager for Astronomy (LEIA), an experimental space wide-field (18.6*18.6 square degrees) X-ray telescope built from novel lobster eye mirco-pore optics. LEIA was…

The arrival time prediction of Coronal mass ejections (CMEs) is an area of active research. Many methods with varying levels of complexity have been developed to predict CME arrival. However, the mean absolute error (MAE) of predictions…

Mapping the distribution of neutral atomic hydrogen (HI) in the Universe through its 21 cm emission line provides a powerful cosmological probe to map the large-scale structures and shed light on various cosmological phenomena. The Baryon…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-20 Albin Joseph , Rajib Saha

Circumstellar environments are now routinely observed by dedicated high-contrast imagers on large, ground-based observatories. These facilities combine extreme adaptive optics and coronagraphy to achieve unprecedented sensitivities for…

Instrumentation and Methods for Astrophysics · Physics 2018-06-28 A. Vigan , M. N'Diaye , K. Dohlen , J. Milli , Z. Wahhaj , J. -F. Sauvage , J. -L. Beuzit , R. Pourcelot , D. Mouillet , G. Zins

Coronal Mass Ejections (CMEs) are significant drivers of geomagnetic activity, and understanding these structures is critical to developing and improving forecasting tools for space weather. The Solar Orbiter (SolO) mission, with its…

Solar and Stellar Astrophysics · Physics 2025-03-26 C. Mac Cormack , S. B. Shaik , P. Hess , R. Colaninno , T. Nieves-Chinchilla

Motivated by the need to improve the ability to forecast whether a certain coronal mass ejection (CME) is to impact Earth, and by the insufficiency of statistical studies that analyze the whole erupting system with the focus on the…

Solar and Stellar Astrophysics · Physics 2020-10-21 M. V. Sieyra , M. Cécere , H. Cremades , F. A. Iglesias , A. Sahade , M. Mierla , G. Stenborg , A. Costa , M. West , E. D'Huys

The Lobster Eye Imager for Astronomy (LEIA), a pathfinder of the Wide-field X-ray Telescope of the Einstein Probe (EP) mission, was successfully launched onboard the SATech-01 satellite of the Chinese Academy of Sciences on 27 July 2022. In…

Instrumentation and Methods for Astrophysics · Physics 2023-08-02 Z. X. Ling , X. J. Sun , C. Zhang , S. L. Sun , G. Jin , S. N. Zhang , X. F. Zhang , J. B. Chang , F. S. Chen , Y. F. Chen , Z. W. Cheng , W. Fu , Y. X. Han , H. Li , J. F. Li , Y. Li , Z. D. Li , P. R. Liu , Y. H. Lv , X. H. Ma , Y. J. Tang , C. B. Wang , R. J. Xie , Y. L. Xue , A. L. Yan , Q. Zhang , C. Y. Bao , H. B. Cai , H. Q. Cheng , C. Z. Cui , Y. F. Dai , D. W. Fan , H. B. Hu , J. W. Hu , M. H. Huang , Z. Q. Jia , C. C. Jin , D. Y. Li , J. Q. Li , H. Y. Liu , M. J. Liu , Y. Liu , H. W. Pan , Y. L. Qiu , M. Sugizaki , H. Sun , W. X. Wang , Y. L. Wang , Q. Y. Wu , X. P. Xu , Y. F. Xu , H. N. Yang , X. Yang , B. Zhang , M. Zhang , W. D. Zhang , Z. Zhang , D. H. Zhao , X. Q. Cong , B. W. Jiang , L. H. Li , X. B. Qiu , J. N. Sun , D. T. Su , J. Wang , C. Wu , Z. Xu , X. M. Yang , S. K. Zhang , Z. Zhang , N. Zhang , Y. F. Zhu , H. Y. Ban , X. Z. Bi , Z. M. Cai , W. Chen , X. Chen , Y. H. Chen , Y. Cui , X. L. Duan , Z. G Feng , Y. Gao , J. W. He , T. He , J. J. Huang , F. Li , J. S. Li , T. J. Li , T. T. Li , H. Q. Liu , L. Liu , R. Liu , S. Liu , N. Meng , Q. Shi , A. T. Sun , Y. M. Wang , Y. B. Wang , H. C. Wu , D. X Xu , Y. Q Yang , Y. Yang , X. S. Yu , K. X. Zhang , Y. L. Zhang , Y. H. Zhang , Y. T. Zhang , H. Zhou , X. C. Zhu , J. S. Cheng , L. Qin , L. Wang , Q. L. Wang , M. Bai , R. L. Gao , Z. Ji , Y. R. Liu , F. L. Ma , Y. J. Shi , J. Su , Y. Y. Tan , J. Z. Tong , H. T. Xu , C. B. Xue , G. F. Xue , W. Yuan

Coronal waves are large-scale disturbances often driven by coronal mass ejections (CMEs). We investigate a spectacular wave event on 7 March 2012, which is associated with an X5.4 flare (SOL2012-03-07). By using a running center-median…

Solar and Stellar Astrophysics · Physics 2020-11-04 Li Feng , Lei Lu , Bernd Inhester , Joseph Plowman , Beili Ying , Marilena Mierla , Matthew J. West , Weiqun Gan

Assessing coronary artery plaque segments in coronary CT angiography scans is an important task to improve patient management and clinical outcomes, as it can help to decide whether invasive investigation and treatment are necessary. In…

The propagation properties of coronal mass ejections (CMEs) are crucial to predict its geomagnetic effect. A newly developed three dimensional (3D) mask fitting reconstruction method using coronagraph images from three viewpoints has been…

Solar and Stellar Astrophysics · Physics 2022-09-14 L. Feng , B. Inhester , Y. Wei , W. Q. Gan , T. L. Zhang , M. Y. Wang

Accurately predicting the arrival of coronal mass ejections (CMEs) at the Earth based on remote images is of critical significance in the study of space weather. In this paper, we make a statistical study of 21 Earth directed CMEs,…

Solar and Stellar Astrophysics · Physics 2015-05-06 Tong Shi , Yikang Wang , Linfeng Wan , Xin Cheng , Mingde Ding , Jie Zhang

Coronary Computed Tomography Angiography (CCTA) evaluation of chest-pain patients in an Emergency Department (ED) is considered appropriate. While a negative CCTA interpretation supports direct patient discharge from an ED, labor-intensive…

The Ultraviolet Coronagraph Spectrometer on board the Solar and Heliospheric Observatory (SOHO) often observes low ionization state coronal mass ejection (CME) plasma at ultraviolet wavelengths. The CME plasmas are often detected in O VI…

Solar and Stellar Astrophysics · Physics 2019-10-02 Jin-Yi Lee , John C. Raymond

Conventionally, 3-dimensional cellular tomography can be done with light sheet or multi-angle observations. Recently, a new technique was introduced where the cell was rotated using convection currents to visualize the outer periphery (Liu…

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