BARREL 3F: Bremsstrahlung X-ray Spectra from Balloon Campaigns, 0.05s Resolution

Antarctic and Arctic stratospheric balloon campaigns from 2013 to 2016 collected this data. The BARREL mission, a NASA Living with a Star project, measured six channels of fast time resolution (50 ms) bremsstrahlung X-ray spectra to study relativistic electron precipitation from Earth's radiation belts. Over 50 stratospheric balloons were launched from stations in Antarctica and Sweden in coordination with the Van Allen Probes mission.

Use Cases

• Modeling relativistic electron precipitation spatial scales based on multi-balloon constellation data.
• Analyzing temporal variations in electron loss using 50-millisecond resolution X-ray spectra.
• Correlating balloon-based X-ray measurements with in-situ plasma wave data from the Van Allen Probes.
• Studying the relationship between magnetic field variations and electron precipitation using concurrent magnetometer data.

Strengths

• Provides six channels of X-ray spectral data with a fast 50-millisecond time resolution.
• Data collection coordinated with the comprehensive Van Allen Probes in-situ measurements.
• Campaigns spanned four years and over 50 balloon launches from two polar regions.

Limitations

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

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Measured by X-ray spectrometers and DC magnetometers carried on stratospheric balloons.

Time Range

Campaigns conducted in 2013, 2014, 2015, and 2016.

Freshness

Last updated 2026-03-13 12:08:43.465406; freshness should be verified.

Geography

Balloon launches from Halley Bay and SANAE IV, Antarctica, and Esrange Space Center, Kiruna, Sweden.