SDO/AIA: Solar Dynamics Observatory Atmospheric Imaging Assembly Data

The Atmospheric Imaging Assembly (AIA) onboard NASA's Solar Dynamics Observatory captures images of the Sun's atmosphere. AIA provides full-disk solar images in 4k x 4k resolution with a pixel size of 0.6 arcseconds, covering multiple ultraviolet and extreme ultraviolet wavelengths. The instrument operates at cadences ranging from 12 to 24 seconds, offering essentially uninterrupted viewing for months.

Use Cases

• Analyze the evolution of magnetic fields in the solar atmosphere based on multi-wavelength imaging.
• Monitor coronal disturbances for space weather warnings based on high-cadence observations.
• Study photospheric continuum features based on the 4500 Å channel data.
• Develop machine learning models for solar flare prediction based on thermal coverage of the corona.
• Investigate plasma interactions in the Sun's atmosphere based on the instrument's broad science objectives.

Strengths

• Images have a high signal-to-noise ratio reaching 100 in quiescent conditions.
• Full-disk solar images are captured at 4k x 4k resolution with a pixel size of 0.6 arcseconds.
• Temporal cadence is 12 seconds for seven EUV channels and 24 seconds for two UV channels.
• Dynamic range of up to 10,000 is mentioned for the imaging channels.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• File formats include BIN and HTML, which may require specialized tools for analysis.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Captured by the Atmospheric Imaging Assembly instrument onboard the Solar Dynamics Observatory satellite.

Freshness

Last updated 2026-03-13 04:57:21.712316; freshness should be verified.