Constraining the inner boundaries of COCONUT through plasma eta and Alfv\'en speedSpace weather modelling has been gaining importance due to our increasing dependency on technology sensitive to space weather effects, such as satellite services, air traffic and power grids.…Michaela Brchnelova, Boris Gudiksen, Mats Carlsson et al.·Dec 2, 2024SaveLearn
Effect of 2009 major SSW event on the mesospheric CO2 coolingCarbon dioxide (CO2), an important trace species that is gradually increasing in the atmosphere due to anthropogenic activities, causes enhanced warming in the lower atmosphere. The increased…Akash Kumar, MV Sunil Krishna, Alok K Ranjan·Dec 2, 2024SaveLearn
V-band Optoelectronic Oscillator for Earth Observation ApplicationsAn optoelectronic oscillator (OEO) producing a signal at 45.86 GHz is demonstrated that may potentially be utilized in the local oscillator (LO) generation of Earth observation applications such as…Dimitrios Kastritsis, Enrico Lia, Iain Mckenzie et al.·Nov 29, 2024SaveLearn
Night-Side Relativistic Electron Precipitation Bursts in the Outer Radiation Belt: Insights from ELFIN and THEMISElectromagnetic whistler-mode waves play a crucial role in the acceleration and precipitation of radiation belt electrons. Statistical surveys of wave characteristics suggest that these waves should…Xi Lu, Xiao-Jia Zhang, Anton V. Artemyev et al.·Nov 28, 2024SaveLearn
Effectiveness of Multi-Layered Radiation Shields Constructed from Polyethylene and Metal Hydrides Using HZETRN and OLTARIS for space applicationsA major challenge for extended human spaceflights in deep space is the dangerous exposure to space radiation. In previous studies aluminium has been used as a multilayer shielding material in GCR…Sreedevi V, Kavita Lalwani·Nov 27, 2024SaveLearn
Continuous In-Situ and Remote Sun Observation for Space Weather Monitoring and Mitigation of Infrastructure Threats Through an Optimized Heliocentric Satellite ConstellationAlthough vital for life on Earth, solar activity poses questions and increasing threats to humanity due to the Sun's unknown dynamics, intensified by our dependence on terrestrial and space-based…Leonidas Askianakis·Nov 22, 2024SaveLearn
Evidence of potential thermospheric overcooling during the May 2024 geomagnetic superstormDuring intense geomagnetic storms, the rapid and significant production of NO followed by its associated infrared radiative emission in lower thermosphere contributes crucially to the energetics of…Alok Kumar Ranjan, Dayakrishna Nailwal, MV Sunil Krishna et al.·Nov 21, 2024SaveLearn
Production and Loss Processes of Hydrogen Energetic Neutral Atoms in the Heliosphere from 5 eV to 500 keVEnergetic Neutral Atom (ENA) observations provide valuable insights into the plasma conditions in the heliosphere and the surrounding interstellar medium. Unlike plasma detectors, which measure…Paweł Swaczyna, Maciej Bzowski, Marzena A. Kubiak·Nov 20, 2024SaveLearn
Recent advances in space sailing missions and technology: review of the 6th International Symposium on Space Sailing (ISSS 2023)The 6th International Symposium on Space Sailing (ISSS 2023) took place on June 5-9, 2023 at the New York City College of Technology, the City University of New York. Since its inauguration in…Elena Ancona, Roman Ya. Kezerashvili·Nov 19, 2024SaveLearn
First observations of a geomagnetic superstorm with a sub-L1 monitorForecasting the geomagnetic effects of solar coronal mass ejections (CMEs) is currently an unsolved problem. CMEs, responsible for the largest values of the north-south component of the…Eva Weiler, Christian Möstl, Emma E. Davies et al.·Nov 19, 2024SaveLearn
Wavelet analysis of possible association between sunspot number and rainfall over Kerala, India: A case studyGlobal attention has been focused on extreme climatic changes. This paper investigates the relationship between different phases of solar activity and extreme precipitation events in Kerala, India.…Elizabeth Thomas, S. Vineeth, Noble P. Abraham·Nov 14, 2024SaveLearn
Simulating the Arrival of Multiple Coronal Mass Ejections that Triggered the Gannon Superstorm on May 10, 2024The May 10, 2024 space weather event stands out as the most powerful storm recorded during the current solar cycle. This study employs a numerical framework utilizing a semi-empirical coronal model,…Smitha V. Thampi, Ankush Bhaskar, Prateek Mayank et al.·Nov 13, 2024SaveLearn
Probabilistic Forecasting of Radiation Exposure for SpaceflightExtended human presence beyond low-Earth orbit (BLEO) during missions to the Moon and Mars will pose significant challenges in the near future. A primary health risk associated with these missions is…Rutuja Gurav, Elena Massara, Xiaomei Song et al.·Nov 11, 2024SaveLearn
Electron-scale energy transfer due to lower hybrid waves during asymmetric reconnectionWe use Magnetospheric Multiscale (MMS) mission data to investigate electron-scale energy transfer due to lower hybrid drift waves during magnetopause reconnection. We analyze waves observed in an…Sabrina F. Tigik, Daniel B. Graham, Yuri V. Khotyaintsev·Nov 4, 2024SaveLearn
The 10 October 2024 geomagnetic storm may have caused the premature reentry of a Starlink satelliteIn this short communication, we qualitatively analyze possible effects of the 10 October 2024 geomagnetic storm on accelerating the reentry of a Starlink satellite from very low-Earth orbit (VLEO).…Denny M. Oliveira, Eftyhia Zesta, Dibyendu Nandy·Nov 3, 2024SaveLearn
The role of Solar Activity in shaping Precipitation Extremes: A Regional Exploration in Kerala, IndiaThere has been global attention focused on extreme climatic changes. The purpose of this paper is to explore the response of extreme precipitation events to solar activity, over Kerala, India. The…Elizabeth Thomas, S. Vineeth, Noble P. Abraham·Nov 2, 2024SaveLearn
Graph-GIC: A Smart and Parallelized Geomagnetically Induced Current Modelling Algorithm Based on Graph Theory for Space Weather ApplicationsGeomagnetically Induced Current (GIC) refers to the electromagnetic response of the Earth and its conductive modern infrastructures to space weather and would pose a significant threat to…Wen Chen, Ding Yuan, Xueshang Feng et al.·Oct 30, 2024SaveLearn
An anisotropic plasma model of the heliospheric interfaceWe present a pioneering model of the interaction between the solar wind and the surrounding interstellar medium that includes the possibility of different pressures in directions parallel and…Vladimir Florinski, Dinshaw S. Balsara, Deepak Bhoriya et al.·Oct 29, 2024SaveLearn
Extent of the Magnetotail of Venus From the Solar Orbiter, Parker Solar Probe and BepiColombo FlybysWe analyze data from multiple flybys by the Solar Orbiter, BepiColombo, and Parker Solar Probe (PSP) missions to study the interaction between Venus' plasma environment and the solar wind forming the…Niklas J. T. Edberg, David J. Andrews, J. Jordi Boldú et al.·Oct 29, 2024SaveLearn
Observation of O+ Characteristics During the Terrestrial Alfv\'en Wing State Induced by the April 2023 Coronal Mass EjectionWe report Magnetospheric Multiscale observations of oxygen ions (O+) during a coronal mass ejection in April 2023 when the solar wind was sub-Alfv\'enic and Alfv\'en wings formed. For the first time,…Haoming Liang, Li-Jen Chen, Stephen A. Fuselier et al.·Oct 28, 2024SaveLearn
An Evaluation of Different Numerical Methods to Calculate the Pitch-angle Diffusion Coefficient from Full-orbit Simulations: disentangling a rope of sandThe pitch-angle diffusion coefficient quantifies the effect of pitch-angle scattering on charged particles propagating through turbulent magnetic fields and is a key ingredient in understanding the…J. P. van den Berg, P. L. Els, N. E. Engelbrecht·Oct 28, 2024SaveLearn
Dust Acoustic Rogue Waves in a Cometary Environment with kappa Distributed Electrons and ProtonsCharged dust is present in almost all astrophysical and laboratory plasma environments. They alter the plasma charge density and also give rise to various modes of electrostatic waves and…S. Vineeth, Noble P. Abraham·Oct 27, 2024SaveLearn
Impact of High Intensity Long-Duration Continuous Auroral Electrojet Activity (HILDCAAs) on relativistic electrons of the radiation belt of Earth during Van Allen probe eraThis study investigates the impact of High-intensity Long-Duration Continuous Auroral Electrojet Activity (HILDCAA) on the relativistic electrons in radiation belt of Earth. Utilizing data from Van…Ayushi Nema, Ankush Bhaskar, Kamlesh N. Pathak et al.·Oct 27, 2024SaveLearn
Corotation-bounce resonance of ions in Jupiter's magnetosphereBanded energy distributions of H+, O++, S+++, and O+ or S++ ions between 100 eV to ~20 keV are consistently observed in Jupiter's magnetosphere mapping to M-shells between…Y. Sarkango, J. R. Szalay, P. A. Damiano et al.·Oct 22, 2024SaveLearn
A Localized Burst of Relativistic Electrons in Earth's Plasma Sheet: Low- and High-Altitude Signatures During a SubstormEarth's magnetotail, and the plasma sheet embedded in it, is a highly dynamic region that is coupled to both the solar wind and to the inner magnetosphere. As a consequence of this coupling, the…M. Shumko, D. L. Turner, A. Y. Ukhorskiy et al.·Oct 21, 2024SaveLearn