Results 71 to 80 of about 2,613,680 (180)
Mirror Mode Mediated EMIC Wave Generation in the Magnetosheath
Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.Abstract Electromagnetic ion cyclotron (EMIC) waves and mirror modes (MMs), both driven by ion temperature anisotropy, are commonly observed in planetary magnetosheaths. Conventional explanations for their co‐occurrence are largely based on linear instability theory in proton–electron plasmas, which requires comparable growth rates for the EMIC and MM ...
Yifan Wu +5 more
wiley +1 more source
Scattering of Continuously Injected Pickup Ions of Oblique Pickup Angles in the Outer Heliosheath
The Astrophysical JournalPitch angle scattering of pickup ions (PUIs) in the outer heliosheath is studied using two-dimensional hybrid simulations, with the PUIs continuously injected at specified injection rates and pickup angles.
Ding Sheng +3 more
doaj +1 more source
Investigating Extreme Scattering Events by Volumetric Ray-tracing
The Astrophysical JournalExtreme scattering events (ESEs) are observed as dramatic (>50%) drops in flux density that occur over an extended period of weeks to months. Discrete plasma lensing structures are theorized to scatter the radio waves produced by distant sources such as ...
Kelvin Au, Jason D. Fiege, Adam Rogers
doaj +1 more source
Tidal Disruption of “Snow Clouds” by Unassociated Stars
The Astrophysical JournalIt has been suggested that star-forming galaxies may host a substantial, dark reservoir of gas in the form of planetary-mass molecular clouds that are so cold that H _2 can condense.
Arthur G. Suvorov, Mark A. Walker
doaj +1 more source
The Astrophysical JournalWe use the upgraded Giant Metrewave Radio Telescope (uGMRT) to measure scintillation arc properties in six bright canonical pulsars with simultaneous dual-frequency coverage.
Jacob E. Turner +3 more
doaj +1 more source
MODELING JET INTERACTIONS WITH THE AMBIENT MEDIUM
Acta Polytechnica, 2013 Recent high-resolution (see, e.g., [13]) observations of astrophysical jets reveal complex structures apparently caused by ejecta from the central engine as the ejecta interact with the surrounding interstellar material.
J. H. Beall +3 more
doaj +1 more source
The Astrophysical Journal Supplement SeriesEnergetic neutral atom (ENA) observations provide valuable insights into the plasma conditions in the heliosphere and the surrounding interstellar medium.
Paweł Swaczyna +2 more
doaj +1 more source
Dispersion relation for dust charge fluctuations of multi-ion dusty plasma [PDF]
AIP AdvancesIn this paper, we show that dust particles embedded in plasmas may show charge variations in response to fluctuations in the oscillatory currents of the plasma species.
A. A. Abid +8 more
doaj +1 more source
Loop I/NPS Morphology Predictions in the Ultralong-wavelength Band
The Astrophysical JournalLoop I/North Polar Spur (NPS) is the giant arc structure above the Galactic plane observed at radio wavelengths (≲10 GHz). There has been long-standing debate about its origin. While many people believe that it consists of nearby supernova remnants (SNRs)
Yanping Cong +5 more
doaj +1 more source
Pulsar scintillation studies with LOFAR
Astronomy & AstrophysicsContext. The interstellar scintillation observed in radio pulsars arises from interference between electromagnetic waves scattered by electron density fluctuations in the turbulent interstellar plasma, providing a critical tool for probing the small ...
Cai Yanqing +29 more
doaj +1 more source