TWINS 2: Magnetospheric Neutral-Atom Images at 4x4 Degree Resolution

TWINS 1 neutral-atom spectrometer level-1 magnetospheric images and image movies at full resolution, with 9 energy steps and 15-minute temporal windows. Images are smoothed for uniform statistics and have a 4x4 degree angular resolution. The data is derived from direct events measurements of energetic neutral atoms (ENAs) by the National Aeronautics and Space Administration.

Use Cases

• Analyze magnetospheric activity patterns based on 15-minute resolution image sequences.
• Study energy distribution in the magnetosphere based on 9 energy step measurements.
• Model spatial structures in the magnetosphere based on 4x4 degree angular resolution imagery.
• Create visualizations of energetic neutral atom flux based on smoothed image data.

Strengths

• Images have a defined 4x4 degree angular resolution.
• Data includes 9 distinct energy steps for spectral analysis.
• Images are processed with a smoothing technique for uniform statistics.

Limitations

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

Provenance

Source

National Aeronautics and Space Administration

Collection Method

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

Time Range

Each image includes 15 minutes of data.

Freshness

Last updated 2026-03-13 09:32:48.574786; freshness should be verified.

Geography

Magnetospheric observations from space.