Showing 501 - 520 results of 788 for search '"observatories"', query time: 0.05s Refine Results
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    Automated Detection of coronaL MAss Ejecta origiNs for Space Weather AppliCations (ALMANAC) by Thomas Williams, Huw Morgan

    Published 2022-11-01
    “…In this work, ALMANAC is applied to observations by the Atmospheric Imaging Assembly (AIA) aboard the Solar Dynamics Observatory (SDO). As well as presenting the method, a proof of concept test is made on a limited set of data associated with 20 halo CMEs recorded by the Coordinated Data Analysis Workshop (CDAW) catalog near the activity maximum of solar cycle 24. …”
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  6. 506

    Ultra-High-Energy Cosmic Rays Accelerated by Magnetically Dominated Turbulence by Luca Comisso, Glennys R. Farrar, Marco S. Muzio

    Published 2024-01-01
    “…We fit the Pierre Auger Observatory’s spectrum and composition measurements, taking into account particle interactions between acceleration and detection, and show that the turbulence-associated energy cutoff is well supported by the data, with the best-fitting spectral index being $s={2.1}_{-0.13}^{+0.06}$ . …”
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  7. 507

    Spatial Distribution of the Intellectual Capital of Russia by A. S. Mikhaylov, I. Yu. Peker

    Published 2019-07-01
    “…The study is based on a quantitative analysis and qualitative assessment of the statistical data of the National Universities Ranking and the Project of the Russian Cluster Observatory. A grouping of universities into quartiles according to the cumulative total score obtained in the ranking is held, with the preparation of cartographic material. …”
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  8. 508

    Upstream Solar Wind Prediction up to Mars by an Operational Solar Wind Prediction System by Jingjing Wang, Yurong Shi, Bingxian Luo, Siqing Liu, Linggao Kong, Jijie Ma, Wenya Li, Binbin Tang, Aibing Zhang, Lei Li, Liqin Shi, Qiuzhen Zhong, Yanhong Chen

    Published 2023-01-01
    “…Abstract Combining the upstream solar wind observations measured by Mars Atmosphere and Volatile Evolution (MAVEN), Advanced Composition Explorer(ACE) and Deep Space Climate Observatory (DSCOVR) from October 2014 to April 2021, we investigate the statistical properties of the background solar wind at Mars and Earth. …”
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  9. 509

    Can Smartphones Detect Geomagnetic Storms? by S. F. Odenwald

    Published 2022-03-01
    “…These were created by combining typical sensor noise profiles with actual magnetic observatory data, and also by using a Helmholtz coil to calibrate the magnetometer responsivity near 1 microTesla. …”
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    Probabilistic Prediction of Dst Storms One‐Day‐Ahead Using Full‐Disk SoHO Images by A. Hu, C. Shneider, A. Tiwari, E. Camporeale

    Published 2022-08-01
    “…The model is developed using an ensemble of Convolutional Neural Networks that are trained using Solar and Heliospheric Observatory (SoHO) images (Michelson Doppler Imager, Extreme ultraviolet Imaging Telescope, and Large Angle and Spectrometric Coronagraph). …”
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  11. 511

    A Study of Real-time Detection Methods for Solar Radio Burst Identification by YongLin Yu, ChengLong Qiao, Shuo Xu, QinZheng Li, YanRui Su, HongQiang Song, FaBao Yan

    Published 2025-01-01
    “…Five solar radio burst detection methods—Continuous-3 σ , Sum Flux-3 σ , Continuous Slope, Sum Flux Slope, and Sum Flux Continuous-3 σ —are developed and validated using data from the Japanese NoRP and the Australian Learmonth Solar Radio Observatory. The results show that all five methods can detect solar radio bursts to some degree. …”
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    Enhanced Stochastic Models for VLBI Invariant Point Estimation and Axis Offset Analysis by Chang-Ki Hong, Tae-Suk Bae

    Published 2024-12-01
    “…Ground-based surveys were conducted at the Sejong Space Geodetic Observatory using high-precision instruments, including total station, to measure slant distances, as well as horizontal and vertical angles from fixed pillars to reflectors attached to the VLBI instrument. …”
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    OPEN REGIONAL DATA AND THE USE OF AI by Radmila Velnerová, Petra Poulová

    Published 2024-12-01
    “…The project of the Data Portal of the Hradec Králové Region was placed by the Organization for Economic Co-operation and Development (OECD) in the international catalogue of case studies of the Observatory of Public Sector Innovation (OPSI). …”
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    Validation of the DSCOVR Spacecraft Mission Space Weather Solar Wind Products by Paul T. M. Loto'aniu, K. Romich, W. Rowland, S. Codrescu, D. Biesecker, J. Johnson, H. J. Singer, A. Szabo, M. Stevens

    Published 2022-10-01
    “…Abstract In this paper, we present a statistical validation of the Deep Space Climate Observatory (DSCOVR) solar wind data in the operational space weather archive. …”
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    Forward model emulator for atmospheric radiative transfer using Gaussian processes and cross validation by O. Lamminpää, J. Susiluoto, J. Hobbs, J. McDuffie, A. Braverman, H. Owhadi

    Published 2025-02-01
    “…<p>Remote sensing of atmospheric carbon dioxide (CO<span class="inline-formula"><sub>2</sub></span>) carried out by NASA's Orbiting Carbon Observatory-2 (OCO-2) satellite mission and the related uncertainty quantification effort involve repeated evaluations of a state-of-the-art atmospheric physics model. …”
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    Midlatitude mesosphere and lower thermosphere variations during the extreme gannon geomagnetic storm in May 2024 by Tao Yuan, Tao Yuan, P. D. Pautet, P. D. Pautet, M. J. Taylor, M. J. Taylor

    Published 2025-01-01
    “…In this paper, we present the unprecedented observations under the aurora during the Gannon Geomagnetic Storm in May 2024 by the Na Doppler lidar at Utah State University (42°N, 112°W) and the Advanced Mesospheric Temperature mapper (AMTM) at the nearby Bear Lake observatory (BLO). Significant warming (as much as ∼50 K) accompanied by fast equatorward flow in the lower thermosphere (up to ∼100 m/s changes in the meridional wind above 100 km altitude) were observed. …”
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    A New Frontier in Ionospheric Observations: GPS Total Electron Content Measurements From Ocean Buoys by Irfan Azeem, Geoff Crowley, Victoriya V. Forsythe, Adam S. Reynolds, Erik M. Stromberg, Gordon R. Wilson, Craig A. Kohler

    Published 2020-11-01
    “…In this paper, we describe a new low‐power dual‐frequency Global Positioning System (GPS) receiver, called Remote Ionospheric Observatory (RIO), which is capable of operating from locations in the air, space, and the oceans as well as on land. …”
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    Early Detection of Multiwavelength Blazar Variability by Hermann Stolte, Jonas Sinapius, Iftach Sadeh, Elisa Pueschel, Matthias Weidlich, David Berge

    Published 2025-01-01
    “…We evaluate our approach using both historical data and simulations of blazar light curves in two energy bands, corresponding to sources observable with the Fermi Large Area Telescope and the upcoming Cherenkov Telescope Array Observatory. In a statistical analysis, we show that our framework can reliably detect known historical flares.…”
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