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Published July 1993 | public
Book Section - Chapter

The Distance to the Solar Wind Termination Shock During 1986 - 1988


We use observations of the intensity of anomalous cosmic ray oxygen in the outer heliosphere near the last solar minimum period, in conjunction with observations of the average tilt of the neutral current sheet, to estimate that the solar wind termination shock was at 62 ± 2 AU during the time period 1986.5 - 1988.5 and that the flux of 7.1 - 17.1 MeV/nuc anomalous cosmic ray oxygen at the shock was 1.27 ± 0.04 p/m^2 sec sr MeV/nuc.

Additional Information

© 1993 University of Calgary. We are grateful to J. T. Hoeksema for providing the neutral sheet tilt data in machine readable form. This work was supported in part by NASA under contract NAS7-918 and grant NAGW-1919.

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August 20, 2023
October 25, 2023