The Global Oscillation Network Group (GONG) project provides nearly continuous observations of solar oscillations from a six-station network of velocity imagers located around Earth. The data, produced by the community-based GONG project, enables detailed study of the Sun's internal structure and dynamics using helioseismology. It facilitates measurement of internal temperature, composition, motions, and rotation from the surface to the core.
Use Cases
- Model stellar structure and evolution based on observed oscillation periods.
- Measure the Sun's internal helium abundance to place bounds on cosmological models.
- Detect and measure properties of convection currents in the solar interior.
- Analyze the variation of solar rotation with depth and latitude.
- Investigate the origins of sunspots based on internal perturbations.
Strengths
- Data is collected from a six-station network providing nearly continuous observations.
- The technique of helioseismology allows construction of extremely narrow probes of the solar interior.
- The project includes a major, distributed data reduction and analysis system.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- SCIOPS
- Collection Method
- Observations from a six-station network of solar velocity imagers.
- Geography
- Global network of stations around Earth observing the Sun.