DUSTiNGS: Infrared Source Catalog for 50 Nearby Dwarf Galaxies

DUSTiNGS (Dust in Nearby Galaxies with Spitzer) is a catalog of infrared sources from the Spitzer Space Telescope. The dataset includes uniform observations of 50 dwarf galaxies within 1.5 Mpc, comprising 37 dwarf spheroidal, 8 dwarf irregular, and 5 transition-type galaxies. The National Aeronautics and Space Administration released the data, with details published by Boyer et al. in 2015.

Use Cases

• Identify and classify infrared point sources based on photometric accuracy and morphology cuts.
• Study dust content and star formation in dwarf spheroidal, irregular, and transition-type galaxies.
• Cross-match infrared sources with other wavelength catalogs for multi-wavelength analysis.
• Train models for automated source detection in infrared astronomical images.

Strengths

• Observations are uniform across 50 galaxies, ensuring consistent data quality.
• Includes 'good' source catalogs with applied quality cuts for photometric accuracy and morphology.
• Sample is well-defined, containing 37 dwarf spheroidal, 8 dwarf irregular, and 5 transition-type galaxies.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale ML tasks.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Observations from the Spitzer Space Telescope IRAC channels at 3.6 and 4.5 microns.

Time Range

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Freshness

Last updated 2026-03-13 17:52:45.214811; freshness should be verified.

Geography

50 dwarf galaxies within 1.5 Mpc of Earth.