PSP SWEAP SPE: Electron Pitch Angle Distribution Measurements

NASA's Parker Solar Probe mission provides electron pitch angle distribution data from the SPAN-Electron instrument. The dataset is part of the Solar Wind Electrons Alphas and Protons (SWEAP) instrument suite and is governed by specific collaboration rules. Data files are named with a versioned format and last updated on 2026-03 13.

Use Cases

• Modeling solar wind electron dynamics based on pitch angle distribution measurements.
• Analyzing particle anisotropy in the near-Sun environment based on instrument data.
• Validating space weather simulations based on in-situ particle observations from the Parker Solar Probe.

Strengths

• Data originates from the NASA Parker Solar Probe mission, a primary source for near-Sun measurements.
• Includes specific 'Rules of the Road' governing data use and collaboration, promoting proper citation.
• Data product is identified as Level 3 (L3), suggesting a processed science-ready format.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Measurements from the SPAN-Electron instrument on the Parker Solar Probe spacecraft.

Time Range

Temporal coverage is not explicitly stated in the provided metadata.

Freshness

Last updated 2026-03-13 07:53:34.225533; freshness should be verified.

Geography

Data collected in the heliosphere, specifically from the Parker Solar Probe's trajectory near the Sun.