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Helios 1 E8 (Keppler) Hourly Particle Fluxes

Published by NASA Space Physics Data Facility (SPDF) Data Services | National Aeronautics and Space Administration | Catalog Last Checked: June 23, 2026 at 09:13 PM | Dataset Last Updated: June 22, 2026
Data set records contain hourly count rates of protons and \nelectrons in 16 energy ranges (protons: 15 differential channels between 21 and \n677 keV, plus >677 keV; electrons: 15 differential channels between 17 and 835 \nkeV, plus >835 keV), each in 16 22.5 deg azimuthal sectors. Accumulation times\nfor each count rate are also given. No spacecraft position information is \nincluded. Data are from the E8 experiment on Helios 1.

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