SDO/EVE: Solar Ultraviolet Irradiance Mission-Long Daily Averages

NASA's Solar Dynamics Observatory Extreme Ultraviolet Variability Experiment (EVE) provides daily averaged solar irradiance data starting from April 30, 2010. The Level 3 Version 8 data includes updated long-term degradation corrections and calibration based on sounding rocket measurements. Mission-length merged datasets are provided at three spectral sampling sizes: native 0.02nm, 1 angstrom, and 1 nm.

Use Cases

• Modeling solar irradiance variability over time based on daily averages
• Analyzing long-term solar degradation effects based on updated correction algorithms
• Comparing spectral data at different resolutions (0.02nm, 1 angstrom, 1 nm) for instrument calibration studies
• Studying the correlation between ultraviolet variability and solar events using mission-length data

Strengths

• Data spans the entire mission length from April 30, 2010 onward
• Includes updated degradation corrections based on SDO EVE sounding rocket measurements
• Provides three user-convenient sampling sizes (0.02nm, 1 angstrom, 1 nm) for analysis

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

Created and maintained by the Science Processing and Operations Center (SPOC) at the Laboratory for Atmospheric and Space Physics.

Time Range

From 2010, day 120 (April 30) onward

Freshness

Last updated 2026-03-13 11:40:16.150985; freshness should be verified