Results 161 to 170 of about 2,470 (245)

Beyond Mean Solar Wind Conditions: Turbulence‐Aware Forecasting of the AE Index

Space Weather, Volume 24, Issue 7, July 2026.
Abstract The auroral electrojet (AE) index is a key indicator of high latitude geomagnetic activity and is widely used in operational space weather monitoring, yet forecasting AE from upstream solar wind conditions remains challenging due to nonlinear coupling, internal magnetospheric dynamics, and multiscale variability.
Cara L. Waters, Christopher H. K. Chen, Mathew J. Owens   +2 more
wiley   +1 more source

Energy calibration of the 2.5 MV Pelletron at the Dalton Cumbrian Facility. [PDF]

Eur Phys J A Hadron Nucl
Linkowski K, Sidhu RS, Skowronski J, Aliotta M, Black P, Davinson T, Wiescher M, Caciolli A, Jones J, Manukyan K, Robertson D, Smith A.   +11 more
europepmc   +1 more source

Statistical Properties of Dayside Single‐Crest Structure of the Equatorial Ionization Anomaly Derived From Global Ionospheric Maps

Space Weather, Volume 24, Issue 7, July 2026.
Abstract The classical Equatorial Ionization Anomaly (EIA) is characterized by two separated plasma accumulation regions off the geomagnetic equator and a plasma depletion region in between. Deviations from the typical double‐crest structure, including the single crest and multiple crests, have been observed.
Ping Zhou, Xing Meng, Jiawen Chen, Jiuhou Lei   +3 more
wiley   +1 more source

Bifurcation analysis and exploration of new optical soliton solutions in parabolic law medium with weak non-local nonlinearity. [PDF]

Sci Rep
Ali KK, Siddique I, Baloch SA, Saqib I, Bayram M, Abdullaeva B.   +5 more
europepmc   +1 more source

Performance Investigation of Four Ionospheric Models in Estimating hmF2 in High‐Latitude Regions

Space Weather, Volume 24, Issue 7, July 2026.
Abstract As a critical parameter characterizing the vertical structure of the ionosphere, the peak height of the F2 layer (hmF2) plays an essential role in frequency selection and signal propagation in high‐frequency (HF) communication systems. Accurate prediction of hmF2 is particularly important in high‐latitude regions.
T. Y. Li, Q. Yu, Y. F. Shi, C. Yang, J. Q. Fan, J. Wang   +5 more
wiley   +1 more source

Multiple outflows and delayed ejections revealed by early imaging of novae. [PDF]

Nat Astron
Aydi E, Monnier JD, Mérand A, Schaefer GH, Chomiuk L, Otulakowska-Hypka M, Fan JL, Li KL, Sokolovsky KV, Salinas R, Tucker M, Shappee B, Rudy R, Page KL, Kuin NPM, Buckley DAH, Craig P, Izzo L, Linford J, Metzger BD, Mukai K, Orio M, Shen KJ, Strader J, Sokoloski JL, Williams RE, Williams MN, Habtie GR, Kraus S, Anugu N, Bouquin JL, Chhabra S, Codron I, Gardner T, Gutierrez M, Ibrahim N, Lanthermann C, Setterholm BR, Ashall C, Hinkle JT, Jaeger T, Payne AV.   +41 more
europepmc   +1 more source

Polymict melt‐bearing breccia dikes in the Morokweng impact structure formed by slip‐induced mechanical mixing of pseudotachylite and cataclasite along large‐displacement impact faults

Meteoritics &Planetary Science, Volume 61, Issue 7, Page 1288-1308, July 2026.
Abstract A core drilled through shocked and faulted Archean granitoid gneisses and dolerites in the eroded peak ring of the 70–80 km diameter Morokweng impact structure intersects multiple centimeter‐ to meter‐wide clastic‐matrix breccias containing a polymict clast population of lithic and mineral clasts and altered, millimeter‐ to centimeter ‐size ...
Roger L. Gibson, S'lindile S. Wela, Leonidas C. Vonopartis, Marco A. G. Andreoli   +3 more
wiley   +1 more source

Positron Beam Loading and Acceleration in the Blowout Regime of a Plasma Wakefield Accelerator. [PDF]

Research (Wash D C)
Zhou S, Ding S, An W, Su Q, Hua J, Li F, Mori WB, Joshi C, Lu W.   +8 more
europepmc   +1 more source

Confirming the impact origin of the São Miguel do Tapuio structure, northeastern Brazil

Meteoritics &Planetary Science, Volume 61, Issue 7, Page 1263-1287, July 2026.
Abstract The São Miguel do Tapuio structure (SMT) is a remarkable, nearcircular feature of about 21 km diameter, centered at 5°37.6′ S, 41°23.3′ W in Piauí state, northeastern Brazil. The structure is located within the sedimentary strata of the Paleozoic–Mesozoic Parnaíba Basin and predominantly comprises sandstones of the Devonian Pimenteiras and ...
Alvaro Penteado Crósta, Neivaldo Araújo de Castro, Marcos Alberto Rodrigues Vasconcelos, Airton Natanael Coelho Dias, Ludovic Ferrière, Wolf Uwe Reimold, Ana Maria Góes, Jackson Alves Martins, Liliana Sayuri Osako, Raimundo Mariano Gomes Castelo Branco   +9 more
wiley   +1 more source

Correlation between active regions' spectra at high radio frequencies and solar flare occurrences. [PDF]

Sci Rep
Mulas S, Pellizzoni A, Marongiu M, Marcucci A, Righini S, Iacolina MN, Egron E, Murtas G, Bachetti M, Berrilli F, Cabras A, Caocci R, Deiana GL, Guglielmino SL, Haggerty C, Ladu A, Loru S, Maccaferri A, Marongiu P, Melis A, Navarrini A, Orfei A, Ortu P, Pili M, Pisanu T, Pupillo G, Saba A, Schirru L, Serra G, Tiburzi C, Valente G, Zanichelli A, Zucca P, Messerotti M.   +33 more
europepmc   +1 more source