IMP-8 Weimer Propagated Solar Wind Data at 1-Minute Resolution

IMP-8 satellite data provides propagated solar wind measurements at a 1-minute resolution. The data was processed by Dr. J.M. Weygand for Prof. R.L. McPherron under NSF grants ATM 02-1798 and ATM 02-08501. The dataset uses a minimum variance technique to propagate solar wind parameters to a point just outside Earth's bow shock.

Use Cases

• Analyzing solar wind propagation delays based on the minimum variance technique described.
• Conducting superposed epoch studies of magnetospheric events using propagated solar wind parameters.
• Validating space weather forecast models with high-resolution, propagated solar wind data.
• Investigating the limitations of propagation methods for shocks and high-tilt conditions mentioned in the description.

Strengths

• Data is propagated to a specific reference point (approximately 17, 0, 0 Earth radii).
• Time resolution is explicitly stated as 1 minute.
• Construction method and primary references (Weimer et al., 2003, 2004) are documented.

Limitations

• The propagation method reportedly does not work well for shocks and minimum variance directions with tilts greater than 70 degrees.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and file formats are unknown, which may limit suitability assessment.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Processed and propagated from IMP-8 satellite solar wind data using a minimum variance technique.

Freshness

Last updated 2026-03-13 03:54:18.571350; freshness should be verified.