VG1 JUP CRS: Voyager 1 Cosmic Ray Particle Flux Measurements at Jupiter

VG1 JUP CRS DERIVED PROTON/ION/ELECTRON FLUX BROWSE V1.0 is a dataset from NASA's Voyager 1 mission, containing derived particle flux measurements from the Cosmic Ray Subsystem (CRS) instrument. The data was collected during the spacecraft's encounter with Jupiter, where high particle fluxes required reliance on counting rates from single detectors and coincidence rates. The CRS consists of two High Energy Telescopes (HET), four Low Energy Telescopes (LET), and an Electron Telescope (TET), with large geometric factors and long electronic time constants for stability.

Use Cases

• Analyzing high-energy particle flux variations within Jupiter's magnetosphere based on derived proton, ion, and electron rates.
• Studying the performance and adaptation of cosmic ray detector systems in high-flux environments based on the description of guard counter adjustments.
• Comparing interplanetary and planetary magnetosphere particle spectra based on the described shift from pulse-height analysis to counting rates.
• Modeling background radiation from penetrating particles in spacecraft instruments based on the described anticoincidence techniques.

Strengths

• Data originates from NASA's authoritative Voyager 1 mission.
• Instrumentation is described with specific technical details, including geometric factors (~0.48 to 8 cm^2 ster) and electronic time constants (~24 µsec).
• Dataset versioning (V1.0) and a specific last update date (2026-03-13) are provided.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file size are unknown, which may limit suitability assessment.
• The description focuses on instrument methodology rather than the specific structure or variables of the derived flux data.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Derived from the Voyager 1 Cosmic Ray Subsystem (CRS) instrument, using pulse-height information and counting rates.

Time Range

Likely corresponds to the Voyager 1 Jupiter encounter period.

Freshness

Last updated 2026-03-13 03:48:38.235970; freshness should be verified.

Geography

Data collected in interplanetary space and within Jupiter's magnetosphere.