TWINS 1: Magnetospheric Neutral-Atom Images and Movies

TWINS 1 neutral-atom spectrometer level-1 images and movies of the magnetosphere at full resolution. The data is produced by NASA and was last updated in March 2026. Each image has 4x4 degree angular resolution and represents 15 minutes of data, smoothed for uniform statistics.

Use Cases

• Analyze magnetospheric structure and dynamics based on 4x4 degree angular resolution images.
• Study temporal changes in energetic neutral atom fluxes based on 15-minute resolution image movies.
• Validate or calibrate space weather models using direct event measurements of time of flight and detection location.
• Investigate instrument coordinate systems and viewing angles based on the described scan and imaged angle dimensions.

Strengths

• Images have 4x4 degree angular resolution.
• Each image integrates 15 minutes of observational data.
• Data is smoothed to provide approximately uniform statistics across the image.
• Last updated in March 2026, suggesting recent maintenance.

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.
• Data may reflect temporal or instrumental bias inherent to the TWINS 1 mission.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Derived on the ground from direct events measurements of time of flight and detection location for individual energetic neutral atoms (ENAs).

Time Range

Temporal coverage is not specified in the provided metadata.

Freshness

Last updated 2026-03 13 05:46:51.844041; freshness should be verified.

Geography

Spatial coverage is magnetospheric, not terrestrial.