Helios 1 E1 (Rosenbauer) Hourly Plasma Data

These hourly averaged solar wind plasma data from the E1 Plasma Detectors (Rosenbauer) onboard the Helios 1 spacecraft include time, earth-sun-Helios angle, sun-Helios distance (AU), Carrington longitude of Helios, solar-ecliptic latitude, Carrington rotation number, proton bulk speed, temperature, number density, flow angles of ecliptic elevation and azimuth, standard deviations of the plasma parameters, and the number of data points in the hourly averages.

Data and Resources

Additional Info

Field	Value
Maintainer	NASA Space Physics Data Facility
Last Updated	September 14, 2026, 22:56 (UTC)
Created	August 10, 2026, 18:37 (UTC)
accessLevel	public
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harvest_source_title	Science Discovery Engine
identifier	https://doi.org/10.48322/nvtr-cd40
landingPage	https://doi.org/10.48322/nvtr-cd40
license	https://www.usa.gov/government-works
modified	2026-09-07T22:15:59Z
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