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Context. Studying the kinematic and dynamic evolution of fast eruptive events from the middle to high solar corona is a primary objective of the Metis coronagraph on Solar Orbiter. During perihelion, Metis acquires visible light images at a…

Solar coronal jets are frequently occurring collimated ejections of solar plasma, originating from magnetically mixed polarity locations on the Sun of size scale comparable to that of a supergranule. Many, if not most, coronal jets are…

Solar and Stellar Astrophysics · Physics 2023-02-28 Alphonse C. Sterling , Ronald L. Moore , Navdeep K. Panesar , Tanmoy Samanta , Sanjiv K. Tiwari , Sabrina L. Savage

Advances in machine learning and deep neural networks for object detection, coupled with lower cost and power requirements of cameras, led to promising vision-based solutions for sUAS detection. However, solely relying on the visible…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Vinicius G. Goecks , Grayson Woods , John Valasek

Recent observations of coronal hole areas with the XRT and EIS instruments onboard the Hinode satellite have shown with unprecedented detail the launching of fast, hot jets away from the solar surface. In some cases these events coincide…

Astrophysics · Physics 2009-11-13 F. Moreno-Insertis , K. Galsgaard , I. Ugarte-Urra

Using multiwavelength imaging observations from the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) on 03 May 2012, we present a novel physical scenario for the formation of a temporary X-point in the solar…

Solar and Stellar Astrophysics · Physics 2020-01-08 A. K. Srivastava , Sudheer K. Mishra , P. Jelínek , Tanmoy Samanta , Hui Tian , Vaibhav Pant , P. Kayshap , D. Banerjee , J. G. Doyle , B. N. Dwivedi

Recently observed oscillations in the solar atmosphere have been interpreted and modeled as magnetohydrodynamic wave modes. This has allowed the estimation of parameters that are otherwise hard to derive, such as the coronal magnetic-field…

Solar and Stellar Astrophysics · Physics 2010-07-07 Jack Ireland , Michael S. Marsh , Therese A. Kucera , Christopher A. Young

Solar jets, collimated plasma ejections driven by magnetic reconnection, play a vital role in energy transport and coronal heating. While rotational motions in jets are often attributed to magnetic field untwisting, alternative explanatory…

Solar and Stellar Astrophysics · Physics 2026-02-25 Lei Huang , Yang Guo , Zhen Li , Jinhan Guo , Mingde Ding

Current coronal holes segmentation methods typically rely on image thresholding and require non-trivial image pre- and post-processing. We have trained a neural network that accurately isolates CHs from SDO/AIA 193 Angstrom solar disk…

Solar and Stellar Astrophysics · Physics 2018-10-17 E. Illarionov , A. Tlatov

The \textit{Sun Watcher using Active Pixel system detector and Image Processing}(SWAP) on board the \textit{PRoject for OnBoard Autonomy\todash 2} (PROBA\todash 2) spacecraft provides images of the solar corona in EUV channel centered at…

Solar and Stellar Astrophysics · Physics 2012-06-11 K. Chandrashekhar , S. Krishna Prasad , D. Banerjee , B. Ravindra , Daniel B. Seaton

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

Many applications utilizing Unmanned Aerial Vehicles (UAVs) require the use of computer vision algorithms to analyze the information captured from their on-board camera. Recent advances in deep learning have made it possible to use…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 George Plastiras , Christos Kyrkou , Theocharis Theocharides

The Atmospheric Imaging Assembly (AIA) and the Exteme-ultraviolet Variability Experiment (EVE) onboard the Solar Dynamics Observatory include spectral windows in the X-ray/EUV band. Accuracy and completeness of the atomic data in this…

Solar and Stellar Astrophysics · Physics 2015-05-30 Paola Testa , Jeremy J. Drake , Enrico Landi

Aerosols influence weather and climate by interacting with radiation through absorption and scattering. These effects heavily rely on the optical properties of aerosols, which are mainly governed by attributes such as morphology, size…

Atmospheric and Oceanic Physics · Physics 2024-07-02 Pankaj Kumar , Heike Vogel , Julia Bruckert , Lisa Janina Muth , Gholam Ali Hoshyaripour

A set of co-aligned high resolution images from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) is used to investigate propagating disturbances (PDs) in warm fan loops at the periphery of a non-flaring…

Solar and Stellar Astrophysics · Physics 2015-06-17 Vadim M. Uritsky , Joseph M. Davila , Nicholeen M. Viall , Leon Ofman

Tagging jets of strongly interacting particles initiated by energetic strange quarks is one of the few largely unexplored Standard Model object classification problems remaining in high energy collider physics. In this paper we investigate…

High Energy Physics - Phenomenology · Physics 2020-03-24 Yuichiro Nakai , David Shih , Scott Thomas

In recent years, the growth of Machine Learning (ML) algorithms has raised the number of studies including their applicability in a variety of different scenarios. Among all, one of the hardest ones is the aerospace, due to its peculiar…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 Maria Pia Del Rosso , Alessandro Sebastianelli , Dario Spiller , Pierre Philippe Mathieu , Silvia Liberata Ullo

Coronal jets are ubiquitous in active regions (ARs) and coronal holes. In this paper, we study a coronal jet related to a C3.4 circular-ribbon flare in active region 12434 on 2015 October 16. Two minifilaments were located under a 3D…

Solar and Stellar Astrophysics · Physics 2021-03-17 Q. M. Zhang , Z. H. Huang , Y. J. Hou , D. Li , Z. J. Ning , Z. Wu

Visible and near-infrared (V+NIR) emission lines were the first to be discovered in the corona, during total solar eclipses, and they continue to offer unique opportunities to study the physical properties of the corona. The most commonly…

Instrumentation and Methods for Astrophysics · Physics 2023-02-24 Benjamin Boe , Shadia Habbal , Adalbert Ding

A small blowout jet was observed at the boundary of the south polar coronal hole on 2011 February 8 at around 21:00 UT. Images from the Atmospheric Imaging Assembly (AIA) on board the Solar Dynamics Observatory (SDO) revealed an expanding…

Solar and Stellar Astrophysics · Physics 2015-06-18 Peter R. Young , Karin Muglach

Coronal Jets are transitory small-scale eruptions omnipresent in solar observations. Active regions jets produce significant perturbations on the ambient solar atmosphere and are believed to be generated by microflare reconnection. Multiple…

Solar and Stellar Astrophysics · Physics 2019-03-13 Alin Razvan Paraschiv , Alina Donea
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