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Related papers: High-Cadence Thermospheric Density Estimation enab…

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Correct estimates of stellar extreme ultraviolet (EUV; 100 - 1170 \AA) flux are important for studying the photochemistry and stability of exoplanet atmospheres, as EUV radiation ionizes hydrogen and contributes to the heating, expansion,…

Solar and Stellar Astrophysics · Physics 2020-01-08 Sarah Peacock , Travis Barman , Evgenya Shkolnik , Peter Hauschildt , E. Baron , Birgit Fuhrmeister

In this contribution we evaluate the impact of filtering techniques in enhancing the accuracy of forecasts of optical turbulence and atmospheric parameters critical for ground-based telescopes. These techniques make use of the data…

Instrumentation and Methods for Astrophysics · Physics 2019-02-22 A. Turchi , G. Martelloni , E. Masciadri

The search for Earth-like exoplanets requires high-contrast and high-angular resolution instruments, which designs can be very complex: they need an adaptive optics system to compensate for the effect of the atmospheric turbulence on image…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Lucie Leboulleux , Raphaël Galicher , Eric Gendron , Pierre Baudoz , Gérard Rousset

Neural networks as well as other methods of machine learning (ML) are known to be highly efficient in different classification tasks, including classification of images and videos. Mini- EUSO is a wide-field-of-view imaging telescope that…

Stellar XUV (X-ray and extreme ultraviolet) emission drives the heating and chemical reactions in planetary atmospheres and protoplanetary disks, and therefore, a proper estimation of a stellar XUV spectrum is required for their studies.…

Solar and Stellar Astrophysics · Physics 2024-11-13 Munehito Shoda , Kosuke Namekata , Shinsuke Takasao

ESA's PROBA-V Earth observation satellite enables us to monitor our planet at a large scale, studying the interaction between vegetation and climate and provides guidance for important decisions on our common global future. However, the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Marcus Märtens , Dario Izzo , Andrej Krzic , Daniël Cox

Most observations of the solar corona beyond 2 Rs consist of broadband visible light imagery from coronagraphs. The associated diagnostics mainly consist of kinematics and derivations of the electron number density. While the measurement of…

Solar and Stellar Astrophysics · Physics 2023-06-28 Auchère , F. , Berghmans , D. , Dumesnil , C. , Halain , J. -P. , Mercier , R. , Rochus , P. , Delmotte , F. , François , S. , Hermans , A. , Hervier , V. , Kraaikamp , E. , Meltchakov , E. , Morinaud , G. , Philippon , A. , Smith , P. J. , Stegen , K. , Verbeeck , C. , Zhang , X. Y. , Andretta , V. , Abbo , L. , Buchlin , E. , Frassati , F. , Gissot , S. , Gyo , M. , Harra , L. , Jerse , G. , Landini , F. , Mierla , M. , Nicula , B. , Parenti , S. , Renotte , E. , Romoli , M. , Russano , G. , Sasso , C. , Schühle , U. , Schmutz , W. , Soubrié , E. , Susino , R. , Teriaca , L. , West , M. , Zhukov , A. N

Solar activity during 2007--2009 was very low, causing anomalously low thermospheric density. A comparison of solar extreme ultraviolet (EUV) irradiance in the He II spectral band (26 to 34 nm) from the Solar Extreme ultraviolet Monitor…

Solar and Stellar Astrophysics · Physics 2015-06-15 Leonid Didkovsky , Joseph B. Gurman

Predictive and real-time inference capability for the upstream separatrix electron density, $n_\text{e, sep}$, is essential for design and control of core-edge integrated plasma scenarios. In this study, both supervised and semi-supervised…

Plasma Physics · Physics 2023-01-18 A. Kit , A. Jaervinen , S. Wiesen , Y. Poels , L. Frassinetti

The EUV Imaging Spectrometer (EIS) on the Hinode satellite is capable of measuring emission line center positions for Gaussian line profiles to a fraction of a spectral pixel, resulting in relative solar Doppler-shift measurements with an…

The Mini-EUSO instrument is a UV telescope to be placed inside the International Space Station (ISS), looking down on the Earth from a nadir-facing window in the Russian Zvezda module. Mini-EUSO will map the earth in the UV range (300 - 400…

Instrumentation and Methods for Astrophysics · Physics 2018-09-18 Francesca Capel , Alexander Belov , Marco Casolino , Pavel Klimov

Deep-learning (DL) weather prediction models offer some notable advantages over traditional physics-based models, including auto-differentiability and low computational cost, enabling detailed diagnostics of forecast errors. Using our…

Atmospheric and Oceanic Physics · Physics 2025-07-23 Uros Perkan , Ziga Zaplotnik , Gregor Skok

During non-flaring times, the radio flux of the Sun at the wavelength of a few centimeters to several tens of centimeters mostly originates from the thermal bremsstrahlung emission, very similar to the EUV radiation. Owing to such a…

Solar and Stellar Astrophysics · Physics 2020-03-11 Z. F. Li , S. H. Hua , X. Cheng , M. D. Ding

A purposely built deep learning algorithm for the Verification of Earth-System ParametERisation (VESPER) is used to assess recent upgrades of the global physiographic datasets underpinning the quality of the Integrated Forecasting System…

Atmospheric and Oceanic Physics · Physics 2023-10-25 Tom Kimpson , Margarita Choulga , Matthew Chantry , Gianpaolo Balsamo , Souhail Boussetta , Peter Dueben , Tim Palmer

We present a deep learning approach for quantifying and localizing ex-situ porosity within Laser Powder Bed Fusion fabricated samples utilizing in-situ thermal image monitoring data. Our goal is to build the real time porosity map of parts…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Peter Myung-Won Pak , Francis Ogoke , Andrew Polonsky , Anthony Garland , Dan S. Bolintineanu , Dan R. Moser , Michael J. Heiden , Amir Barati Farimani

The Solar Dynamics Observatory (SDO), launched in 2010 as part of NASA's Living With a Star (LWS) program, represents a methodological transition in heliophysics: from identifying discrete solar events to characterizing the continuously…

Solar and Stellar Astrophysics · Physics 2026-05-25 Madhulika Guhathakurta

We investigate the response of space weather events on Earth's upper atmosphere over the polar regions by studying their effect on the drag of the CHAMP and GRACE satellites. Increasing solar activity that results in heating and the…

Earth and Planetary Astrophysics · Physics 2026-02-24 M. Scherf , S. Krauss , G. Tsurikov , A. Strasser , V. Shematovich , D. Bisikalo , H. Lammer , M. Güdel , C. Möstl

The first systematic comparison between Swarm-C accelerometer-derived thermospheric density and both empirical and physics-based model results using multiple model performance metrics is presented. This comparison is performed at the…

Atmospheric and Oceanic Physics · Physics 2018-07-12 Timothy Kodikara , Brett Carter , Kefei Zhang

Temporally-resolved electron density measurements of solar flare plasmas are presented using data from the EUV Variability Experiment (EVE) onboard the Solar Dynamics Observatory (SDO). The EVE spectral range contains emission lines formed…

Solar and Stellar Astrophysics · Physics 2015-06-05 Ryan O. Milligan , Michael B. Kennedy , Mihalis Mathioudakis , Francis P. Keenan

The analysis of climate regions is very important for designers and architects, because the increase in density and built up spaces and reduction in open spaces and green lands induce the increase of heat, especially in an urban area,…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-01-25 Cristina Serban , Carmen Maftei
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