PSP SWEAP SPAN-A: Electron Pitch Angle Distributions from Parker Solar Probe

NASA's Parker Solar Probe SWEAP instrument provides Level 3 measurements of electron pitch angle distributions in the solar wind. The data is governed by specific 'Rules of the Road' requiring user collaboration with the principal investigator for scientific publication. This dataset is part of the mission's effort to study the Sun's corona and solar wind acceleration.

Use Cases

• Modeling solar wind electron anisotropy based on pitch angle distribution data.
• Analyzing particle energization and scattering processes in the Sun's corona.
• Validating space plasma simulations using in-situ spacecraft measurements.
• Investigating the connection between electron distributions and magnetic field structures.

Strengths

• Data originates from the NASA Parker Solar Probe mission, a primary source for near-Sun measurements.
• The dataset has a defined versioning and file naming convention (e.g., psp_swp_spa_sf0_l3_pad_YYYYMMDD_v01.cdf).
• A formal 'Rules of the Road' policy outlines data usage, acknowledgment, and collaboration protocols.

Limitations

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

Provenance

Source

National Aeronautics and Space Administration (NASA), Parker Solar Probe SWEAP team.

Collection Method

Collected in-situ by the SPAN-A instrument on the Parker Solar Probe spacecraft.

Time Range

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Freshness

Last updated 2026-03-13 07:55:27.384712; freshness should be verified.

Geography

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