PEP SPIRE 350 Micron Catalog: Extragalactic Infrared Source Catalog

A catalog of sources detected at 350 microns from the PACS Evolutionary Probe (PEP) survey using the Herschel Space Telescope. The catalog includes sources above a 3 sigma signal-to-noise threshold, extracted via PSF-fitting from observations targeting blank fields, lensing clusters, and high-redshift clusters. The data was released by the National Aeronautics and Space Administration and was last updated in March 2026.

Use Cases

• Analyze the distribution and properties of infrared sources in deep extragalactic fields based on the survey's target fields.
• Study galaxy evolution and star formation rates using the 350-micron flux measurements mentioned in the description.
• Cross-match sources with other wavelength catalogs (e.g., from PACS or HerMES) based on the multi-wavelength survey context.
• Investigate source detection reliability and flux uncertainties, considering the described 3 sigma threshold and cautionary flux limits.

Strengths

• Sources are extracted using PSF-fitting with a defined 3 sigma signal-to-noise threshold.
• The survey targets scientifically valuable areas including six blank fields, ten lensing clusters, and two z~1 clusters.
• Data is associated with the Herschel Space Telescope, a major space observatory.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• The error estimate does not account for confusion noise, and specific flux levels are recommended for use with care.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Data extracted from Herschel SPIRE observations using the Starfinder IDL code for PSF-fitting.

Time Range

Observations likely from the Herschel mission operational period (2009-2013).

Freshness

Last updated 2026-03 13 18:13:37.975842; freshness should be verified.

Geography

Extragalactic; targets specific blank fields and galaxy clusters in the sky.