Results 11 to 20 of about 41,384 (308)

Energetic Particles in the Local Bubble [PDF]

open access: yesInternational Astronomical Union Colloquium, 1997
AbstractThe current status of observations of energetic particles in the “local bubble” is reviewed. This includes primarily “direct” measurements of cosmic rays made in the Solar System, but also the “remote sensing” made possible by observing cosmic ray produced γ-rays in the nearby interstellar clouds.
G. E. Morfill, M. J. Freyberg
openaire   +1 more source

Analysis of SEP Events and Their Possible Precursors Based on the GSEP Catalog

open access: yesThe Astrophysical Journal Supplement Series, 2023
Solar energetic particle (SEP) events are one of the most crucial aspects of space weather. Their prediction depends on various factors including the source solar eruptions such as flares and coronal mass ejections (CMEs).
Sumanth Rotti, Petrus C. Martens
doaj   +1 more source

THE MOST ENERGETIC PARTICLES IN THE UNIVERSE [PDF]

open access: yesCOSMO-99, 2000
Several issues related to the lensing of ultra-high energy cosmic rays by the Galactic magnetic field are discussed.
Roulet, Esteban   +2 more
openaire   +2 more sources

Dispersive Suprathermal Ion Events Observed by the Parker Solar Probe Mission

open access: yesThe Astrophysical Journal Letters, 2023
During Encounter 11, Parker Solar Probe observed a low-energy dispersive ions event of solar origin. The event was observed in the SPAN-I and IS⊙IS EPI-Lo sensors.
S. T. Alnussirat   +17 more
doaj   +1 more source

Spectral characteristics of waves and particles in the model of cyclotron wave-particle interactions near plasmapause [PDF]

open access: yesAnnales Geophysicae, 1999
Further analysis of energetic electron precipitation at the evening sector of magnetosphere is performed. In the framework of the quantitative model of cyclotron wave-particle interactions developed in the previous Pasmanik et al.
D. l. Pasmanik   +3 more
doaj   +1 more source

Energetic Particle Influence on the Earth’s Atmosphere [PDF]

open access: yesSpace Science Reviews, 2015
This manuscript gives an up-to-date and comprehensive overview of the effects of energetic particle precipitation (EPP) onto the whole atmosphere, from the lower thermosphere/mesosphere through the stratosphere and troposphere, to the surface. The paper summarizes the different sources and energies of particles, principally\ud galactic cosmic rays ...
Mironova, Irina A.   +9 more
openaire   +3 more sources

Density and temperature of energetic electrons in the Earth's magnetotail derived from high-latitude GPS observations during the declining phase of the solar cycle [PDF]

open access: yes, 2011
Single relativistic-Maxwellian fits are made to high-latitude GPS-satellite observations of energetic electrons for the period January 2006-November 2010; a constellation of 12 GPS space vehicles provides the observations. The derived fit parameters (for
Denton, Michael   +3 more
core   +1 more source

Pitch Angle Distributions of Energetic Particles Near Callisto [PDF]

open access: yes, 2023
The Galileo spacecraft performed close flybys of the moon Callisto between 1996 and 2001. We reanalyzed particle data of the energetic particles detector onboard Galileo and derived pitch angle distributions in the energy range of several keV to MeV ...
M. Fränz   +15 more
core   +1 more source

Additional acceleration of solar-wind particles in current sheets of the heliosphere [PDF]

open access: yes, 2015
Particles of fast solar wind in the vicinity of the heliospheric current sheet (HCS) or in a front of interplanetary coronal mass ejections (ICMEs) often reveal very peculiar energy or velocity profiles, density distributions with double or triple peaks,
V. Zharkova   +4 more
core   +1 more source

From the Sun’s south to the north pole – Ulysses COSPIN/LET composition measurements at solar maximum [PDF]

open access: yesAnnales Geophysicae, 2003
Based on elemental abundance ratios derived from the Ulysses COSPIN/LET measurements, we classified the energetic particle populations during and after the socalled Fast Latitude Scan – the time period during which the Ulysses spacecraft traveled
M. Y. Hofer   +3 more
doaj   +1 more source

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