Phoenix Deep Survey: Optical and Near-Infrared Counterparts for 778 Radio Sources

778 radio sources from the Phoenix Deep Survey have optical (UBVRI) and near-infrared (K_s) photometric properties and redshift estimates. The catalog was created by the HEASARC in June 2013 based on data from the Anglo-Australian Telescope, Cerro Tololo Inter-American Observatory, and European Southern Observatory. The primary goal is to investigate star formation in galaxies and trace its evolution to redshift z = 1.

Use Cases

• Estimate photometric redshifts for galaxies based on UBVRIK_s photometry.
• Study star formation properties in galaxies selected at radio wavelengths to avoid dust obscuration bias.
• Cross-match radio source detections with their optical and near-infrared counterparts.
• Analyze galaxy evolution over cosmic time, up to redshift z = 1.

Strengths

• Contains photometric data for 778 radio sources, providing a substantial sample for analysis.
• Leverages multi-wavelength data from major observatories (AAT, CTIO, ESO) across optical and near-infrared bands.
• Explicitly designed to mitigate biases from dust obscuration inherent in optical/UV selection.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is known (778), but the total number of photometric measurements per source is unspecified.
• Data is derived from a specific 2004 study; newer surveys may offer more recent observations.

Provenance

Source

HEASARC, based on electronic data from the CDS web site (catalog J/ApJS/155/1).

Collection Method

Observations from the Anglo-Australian Telescope, CTIO 4-m Blanco telescope, and ESO telescopes.

Time Range

Observations conducted on nights in 2000, 2001, and 2002.

Freshness

Last updated 2026-03-13 18:53:26.030135; freshness should be verified.

Geography

Covers the deepest region of the Phoenix Deep Survey radio imagery; specific celestial coordinates are not provided.