STEREO-B PLASTIC: Solar Wind Proton Plasma Parameters

STEREO-B Plasma and Suprathermal Ion Composition (PLASTIC) 1-min Proton Plasma Parameters contains 1-minute values of solar wind proton flow speed, density, temperature, and thermal speed. The records also hold flow velocity vector components and direction angles in HERTN and RTN coordinates, along with Chi-squared and statistical uncertainties and various flags. This dataset was produced by the National Aeronautics and Space Administration and was last updated on March 13, 2026.

Use Cases

• Model solar wind propagation based on proton flow speed and velocity vector components.
• Analyze plasma temperature and density variations over time.
• Study solar wind direction and structure using HERTN and RTN coordinate angles.
• Assess measurement reliability using Chi-squared and statistical uncertainty flags.
• Correlate solar wind parameters with STEREO spacecraft position information.

Strengths

• Data includes statistical uncertainties and Chi-squared values for quality assessment.
• Records contain velocity vector components and direction angles in multiple coordinate systems.
• Produced by the National Aeronautics and Space Administration.
• Last updated on March 13, 2026.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

National Aeronautics and Space Administration

Freshness

Last updated 2026-03-13 11:00:19.047072; freshness should be verified.