286
Publications
822
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0
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Astronomie
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Astrophysique
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1 publication(s)
Publications
286 publication(s) trouvée(s)
Article scientifique
Oblateness and mass variation effects on the Hill R4BP Abdullah
Abstract The oblateness and mass variation effects are studied in the circular Hill restricted 4-body problem (R4BP). Here we assume …
Article scientifique
Multifilter Time-series Observations of Eleven Blue Short-period ATLAS Variable Stars
Abstract Eleven periodic variable stars were observed photometrically through two to four filters from the set UBVR C I C …
Article scientifique
Structural influences on groundwater circulation in the Makgadikgadi salt pans of Botswana? Implications for martian playa environments
Across the surface of Mars, evidence of past lacustrine and evaporitic environments has been found within basins and craters, where …
Article scientifique
Smoothing the $H_0$ tension with a dynamical dark energy model
The discrepancy between Planck data and direct measurements of the current expansion rate $H_0$ and the matter fluctuation amplitude $S_8$ …
Article scientifique
Studying Direct Lightning Stroke Impact on Human Safety Near HVTL Towers Considering Two Layer Soils and Ionization Influence
A lightning strike is considered one of the most risky natural phenomena that can lead to human harmful and the …
Article scientifique
Optimization-Based Mitigation Techniques of the Temporary Overvoltage in Large Offshore Wind Farm
Overvoltage transient is the major danger facing large offshore wind farms, as it may lead to a complete failure of …
Article scientifique
Response of the American equatorial ionization anomaly to 2016 Arctic sudden stratospheric warming events
Apart from the rapid ionospheric response to geomagnetic forcing originating from the Sun during extreme space weather events, forcing from …
Article scientifique
A Study of the Relationship Between Southward Bz > -10 nT and Storm Time Disturbance Index During Solar Cycle 23
Magnetic reconnection can be used for studying the geoeffective processes in the coupled Sun–Solar wind – Magnetosphere dynamics leading to …
Article scientifique
Relationship between geomagnetic storms and occurrence of ionospheric irregularities in the west sector of Africa during the peak of the 24th solar cycle
The study of ionospheric irregularities is important since many technological systems might be influenced by the ionosphere. In this work, …
Article scientifique
Impact of Rastall Gravity on Mass, Radius, and Sound Speed of the Pulsar PSR J0740+6620
Abstract Millisecond pulsars are perfect laboratories to test possible matter–geometry coupling and its physical implications in light of recent Neutron …
Article scientifique
Time Varying Deceleration Parameter in Cosmological Models Using Optimal Control
Abstract Constructed homogeneous and isotropic Friedmann Robertson Walker(FRW) cosmological model with time dependent varying deceleration parameter and have been studied …
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A lesson on life
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Article scientifique
Balancing the effects of solar radiation pressure on the orbital elements of a spacecraft using Lorentz force
In this work, orbits of Lorentz spacecrafts and satellites are investigated under the perturbation of solar radiation pressure. An attempt …
Article scientifique
Irregularities in the African ionosphere associated with total electron content anomalies observed during high solar activity levels
In this paper, we investigate anomalies in total electron content (TEC) from 7 stations of the Africa Geodetic Reference Frame …
Article scientifique
Likelihood-free Inference with the Mixture Density Network
Abstract In this work, we propose using the mixture density network (MDN) to estimate cosmological parameters. We test the MDN …
Article scientifique
A Standalone Prediction Model for Atomic Oxygen, Coronal Mass Ejections and Relevant Space Environment Parameters
Abstract Satellite protection depends greatly on good prediction of the surrounding space environment components and hazards. The space environment of …
Article scientifique
Cross Correlation between the Thermal Sunyaev–Zel’dovich Effect and Projected Galaxy Density Field
Abstract We present a joint analysis of the power spectra of the Planck Compton y parameter map and the projected …
Article scientifique
Effects of Total Solar Eclipse on Ionospheric Total Electron Content over Antarctica on 2021 December 4
Abstract The effects of a total solar eclipse that occurred on 2021 December 4 on ionospheric total electron content (TEC) …
Article scientifique
Bianchi type-I Barrow holographic dark energy model in symmetric teleparallel gravity
Abstract In this work, we have discussed a spatially homogeneous and anisotropic Bianchi type-I space-time in the presence of Barrow …
Article scientifique
Scalar Field and Particle Dynamics in Conformal Frame
The dynamics of the scalar field and particle in a conformal frame are considered. The conformal Klein-Gordon equation describing the …