Spitzer Extragalactic First Look Survey: IRAC Channel 3 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 was conducted in late 2003 to characterize extragalactic source populations down to sub-millijansky levels. Data is provided 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 from a 4-square-degree field survey
• Studying early Spitzer Space Telescope performance and data from the Science Verification period

Strengths

• Data from the Spitzer Space Telescope's IRAC instrument, a major NASA observatory
• Covers a 4-square-degree field with a dedicated 67-hour observation
• Includes ancillary data from ground-based optical and radio telescopes

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Data is from a single epoch in late 2003; temporal evolution cannot be studied

Provenance

Source

National Aeronautics and Space Administration

Collection Method

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

Time Range

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

Freshness

Last updated 2026-03-13 19:08:37.375064; freshness should be verified

Geography

Centered at celestial coordinates J1718+5930.