Voyager 2 enters the transition to the high-speed solar wind near the termination shock?

Details Voyager 2 enters the transition to the high-speed solar wind near the termination shock? Voyager 2 enters the transition to the high-speed solar wind near the termination shock?

Dec 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh24a..03r&link_type=abstract

American Geophysical Union, Fall Meeting 2009, abstract #SH24A-03

Physics

[2126] Interplanetary Physics / Heliosphere/Interstellar Medium Interactions, [2162] Interplanetary Physics / Solar Cycle Variations

Scientific paper

Voyager 2 (V2) has observed heliosheath plasma since August 2007. We find that as V2 has moved deeper into the heliosheath, the plasma density, temperature, and flux have all decreased by a factor of two. We suggest that V2 has moved into the transition region between the low and high speed solar wind. We show that this hypothesis is consistent with Ulysses observations of the transition location, explains the decrease in solar wind flux observed just before the termination shock crossing, and can reconcile discrepancies between the V2 and Voyager 1 (V1) speeds and between V2 and model results. We also show that the remainder of the flux decrease is consistent with plasma turning and flowing toward the heliotail.

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