Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc.1039..349d&link_type=abstract
PARTICLE ACCELERATION AND TRANSPORT IN THE HELIOSPHERE AND BEYOND: 7th Annual International Astrophysics Conference. AIP Confer
Astronomy and Astrophysics
Astrophysics
3
Astronomical Observations, Planetary Bow Shocks, Interplanetary Shocks, Particle Acceleration, Heliopause And Solar Wind Termination, Magnetohydrodynamics And Plasmas, Interplanetary Magnetic Fields, Flares, Abundances, Chemical Composition
Scientific paper
We compare Voyager 1 (V1) and 2 (V2) low-energy (~0.03-4.0 MeV) ion intensities averaged over selected periods before and after encounters with the termination shock (TS). Comparisons made during three successive 78-day periods immediately behind the TS show marked evolution of intensities and spectral indices that differ at V1 and V2. By the third 78-day period, absolute intensities and spectral forms are comparable at V1 and V2, and the differential intensities are well fit by power laws with indices -1.53+/-0.03 and -1.41+/-0.04 respectively.
Decker Robert B.
Hill Matthew E.
Krimigis Stamatios M.
Roelof Edmond C.
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