Spitzer Extragalactic First Look Survey: IRAC Channel 1 Source Catalog

4 square degrees of mid-infrared imaging from the Spitzer Space Telescope's IRAC instrument, centered at coordinates J1718+5930. The 67-hour survey, conducted in late 2003, aimed to characterize extragalactic source populations down to sub-millijansky levels. Data was produced by the National Aeronautics and Space Administration (NASA).

Use Cases

• Characterizing extragalactic source populations based on mid-infrared flux levels mentioned in the description
• Cross-matching infrared sources with ancillary optical and radio data referenced in the description
• Analyzing source density and distribution across a 4 square degree field of view

Strengths

• Covers a 4 square degree field of view, providing a substantial area for statistical analysis
• Includes ancillary data from ground-based optical and radio telescopes, enabling multi-wavelength studies
• Aimed at sub-millijansky sensitivity, suggesting deep imaging for faint source detection

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment for specific modeling tasks
• Description metadata is limited; actual data quality requires manual inspection after download

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Imaging from the Spitzer Space Telescope's IRAC and MIPS instruments, supplemented by ground-based ancillary data.

Time Range

Observations made after Science Verification completion at the end of November 2003.

Freshness

Last updated 2026-03-13 20:15:53.175488; freshness should be verified

Geography

Centered at celestial coordinates J1718+5930; no terrestrial geography.