South Pole Telescope 87-Square Degree Millimeter Source Catalog

188 sources detected at signal-to-noise ratio > 4.5, including 141 synchrotron-dominated and 47 dust-dominated objects. The catalog results from a 607-hour survey covering 87 square degrees at 1.4 mm and 2.0 mm wavelengths with milli-Jansky depth. The data was produced by the National Aeronautics and Space Administration using the South Pole Telescope.

Use Cases

• Classifying millimeter-wave sources as synchrotron or dust-dominated based on the 1.4 mm to 2.0 mm flux ratio
• Analyzing source counts for synchrotron and dust populations across flux ranges from 4.4 to 800 mJy
• Cross-matching bright, dust-dominated sources with existing catalogs to identify rare sub-millimeter galaxies
• Studying the association of synchrotron sources with previously published radio catalogs

Strengths

• Survey covers a significant 87-square-degree area with near-uniform coverage
• Provides source counts for two distinct populations across specific flux ranges (e.g., 11 to 640 mJy at 1.4 mm)
• Beam characteristics are precisely measured, with FWHM of 1.05 and 1.15 arcminutes at the two wavelengths

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 960-element South Pole Telescope camera during the 2008 observing season.

Time Range

2008 observing season

Freshness

Last updated 2026-03-13 18:55:07.378660; freshness should be verified

Geography

Survey centered at RA = 5h30m, Dec = -55° (J2000.0)