Pioneer 11 CRT: Cosmic-Ray Telescope Fluxes and Rates

Pioneer 11 Cosmic-Ray Telescope data provides eight 6-hour fluxes and 28 count rates for protons, alpha particles, and electrons across specific energy ranges. The dataset includes Poisson uncertainties and is organized in annual files with consistent end-of-record marks. It was collected by the National Aeronautics and Space Administration's Pioneer 11 spacecraft.

Use Cases

• Analyze temporal variations in cosmic-ray fluxes based on 6-hour averaged data
• Compare particle populations across different energy channels for protons, alpha particles, and electrons
• Model statistical uncertainties in particle measurements based on included Poisson uncertainties
• Study long-term trends in energetic particle data based on annual file organization

Strengths

• Includes eight distinct particle flux measurements across specific energy ranges
• Provides 28 count rates and associated Poisson uncertainties for statistical rigor
• Data is structured in annual files with consistent formatting

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Spacecraft position data is not included in the records and must be sourced separately

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Data determined from the Cosmic Ray Telescope (CRT) on the Pioneer 11 spacecraft.

Freshness

Last updated 2026-03-13 05:39:42.619475; freshness should be verified