SERVS: Spitzer Infrared Survey of Five Extragalactic Fields

The Spitzer Extragalactic Representative Volume Survey (SERVS) conducted deep 3.6 and 4.5 micron observations of five extragalactic fields: ELAIS-N1, Lockman Hole, XMM, ELAIS-S1, and CDFS. This catalog from the XMM-LSS field contains single-band 3.6 micron detections with a signal-to-noise cut of CSNR > 5 and a reliability flag of REL=1. The data was produced by NASA and last updated in March 2026.

Use Cases

• Cross-matching astronomical objects with reliable near-infrared catalogs based on the single-band, high-reliability detections.
• Conducting statistical studies of galaxy populations using the deeper, single-band catalog.
• Analyzing the properties of faint infrared sources in the XMM-LSS extragalactic field.

Strengths

• Observations are from the Spitzer Space Telescope's IRAC instrument, a major NASA mission.
• Data is filtered for high reliability (REL=1) and a signal-to-noise ratio greater than 5 (CSNR > 5).
• Catalog covers five major extragalactic survey fields, providing a broad observational base.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data may reflect observational bias inherent to the specific extragalactic fields surveyed.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Observations from the Spitzer Space Telescope's Infrared Array Camera (IRAC) as part of the SERVS Exploration Science program.

Freshness

Last updated 2026-03-13 19:33:35.295551; freshness should be verified.

Geography

Observations cover five extragalactic fields: ELAIS-N1, Lockman Hole, XMM-LSS, ELAIS-S1, and CDFS.