YSOVAR NGC 1333: Mid-Infrared Time-Series Photometry of Young Stellar Objects

The YSOVAR (Young Stellar Object VARiability) Spitzer Space Telescope program obtained the first extensive mid-infrared time series photometry for the Orion Nebula Cluster and 11 other star-forming cores. The dataset contains light curves for approximately 29,000 unique objects in the 3.6 and 4.5 micron IRAC channels. It was produced by the National Aeronautics and Space Administration, with initial results described in 2011.

Use Cases

• Analyze variability patterns of young stellar objects based on mid-infrared light curves.
• Model stellar accretion and disk processes based on time-series photometry.
• Compare stellar activity across different star-forming regions mentioned in the description (e.g., NGC 1333, Serpens Main).
• Develop anomaly detection algorithms for irregular brightness fluctuations in stellar light curves.

Strengths

• Contains light curves for approximately 29,000 unique astronomical objects.
• Provides the first extensive mid-infrared time series for multiple star-forming regions.
• Data originates from the Spitzer Space Telescope, a major NASA observatory.

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

Observational data from the Spitzer Space Telescope's IRAC instrument.

Time Range

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Freshness

Last updated 2026-03-13 17:07:28.875011; freshness should be verified.

Geography

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