Results 61 to 70 of about 932 (205)

The heliospheric modulation of cosmic ray boron and carbon [PDF]

open access: yesAnnales Geophysicae, 2004
The observed boron to carbon ratio (B/C) at Earth provides a good measure of the overall secondary to primary ratio of galactic cosmic rays. This makes B/C an important constraint and test for the validity and general applicability of theoretical and ...
M. S. Potgieter, U. W. Langner
doaj   +1 more source

Lyα Absorption from Heliosheath Neutrals [PDF]

open access: yesThe Astrophysical Journal, 2007
We assess the information that HST observations of stellar Lyα lines can provide on the heliosheath, the region of the heliosphere between the termination shock and heliopause. To search for evidence of heliosheath absorption, we conduct a systematic inspection of stellar Lyα lines reconstructed after correcting for ISM absorption (and heliospheric ...
Brian E. Wood   +3 more
openaire   +1 more source

Voyager 2 observation of the multifractal spectrum in the heliosphere and the heliosheath [PDF]

open access: yesNonlinear Processes in Geophysics, 2013
We look in detail at the multifractal scaling of the fluctuations in the interplanetary magnetic field strength as measured onboard Voyager 2 in the entire heliosphere and even in the heliosheath.
W. M. Macek, A. Wawrzaszek
doaj   +1 more source

Transport Equation of Kappa Distributions in the Heliosphere

open access: yesThe Astrophysical Journal, 2023
In this paper, we develop the transport equation of kappa, the fundamental thermodynamic parameter that labels kappa distributions of particle velocities.
G. Livadiotis, D. J. McComas
doaj   +1 more source

The Magnetic Field Structure in the Heliosheath

open access: yesThe Astrophysical Journal, 2005
The magnetic field observed in a fluctuating, dynamical heliosheath will differ considerably from that in a static heliosheath. In particular, the time between current-sheet crossings (sectors) is quite sensitive to the radial speed of the solar wind termination shock.
openaire   +1 more source

Interpretation of the IBEX-Lo Observations of Energetic Neutral Atoms along the Voyager Trajectories

open access: yesThe Astrophysical Journal Letters
This Letter addresses a long-standing discrepancy between simulated energetic neutral atom (ENA) fluxes and Interstellar Boundary Explorer (IBEX) observations in the ∼0.02–0.1 keV energy range.
Federico Fraternale   +4 more
doaj   +1 more source

Anisotropies of 40–139 keV Ions Measured beyond the Termination Shock and in the Very Local Interstellar Medium

open access: yesThe Astrophysical Journal
We analyze the count rates of 40–139 keV ions that were measured in situ by the Low Energy Charged Particle instrument on Voyager 1 in order to identify the suprathermal ion anisotropies beyond the termination shock and in the very local interstellar (IS)
Konstantinos Dialynas   +5 more
doaj   +1 more source

The Effects of Turbulence on Heliosheath Ions and Implications for Energetic Neutral Atoms

open access: yesThe Astrophysical Journal
The distribution of ions in the heliosheath—the region between the heliospheric termination shock and the heliopause—is important for understanding remote observations of energetic neutral atoms (ENAs).
Senbei Du   +5 more
doaj   +1 more source

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