VLA Hubble Deep Field 20-cm Source Catalog: 371 Radio Sources

A 1996 November Very Large Array (VLA) survey at 1.4 GHz of the Hubble Deep Field region, totaling 50 hours of observation. The catalog contains 371 radio sources detected within 20 arcminutes of the field center, with a formal completeness limit of 40 microJansky. This table was created by NASA's HEASARC in June 2012 based on the original CDS catalog.

Use Cases

• Investigating radio spectral properties based on overlapping 1.4 GHz and 8.5 GHz observations mentioned in the description
• Analyzing source clustering on angular scales of 1 to 40 arcminutes as concluded by the authors
• Studying the relationship between radio emission and optical disk-type systems at redshifts z ~ 0.1 - 1
• Comparing differential source counts in the Hubble Deep Field to other astronomical fields

Strengths

• Deep survey reaching an rms noise level of 7.5 microJansky near the field center
• Catalog of 371 sources forming a complete sample within 20 arcminutes of the Hubble Deep Field
• Includes spectral index analysis with a reported mean spectral index of 0.85

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Description metadata is limited; actual data quality requires manual inspection after download

Provenance

Source

National Aeronautics and Space Administration (NASA HEASARC), based on CDS Catalog J/ApJ/533/611

Collection Method

Observations conducted with the Very Large Array (VLA) in A configuration at 20 cm (1.4 GHz)

Time Range

1996 November

Freshness

Last updated 2026-03-13 18:31:32.875986; freshness should be verified

Geography

Centered on the Hubble Deep Field (RA, Dec (J2000.0) = (12h 36m 49.4s, 62o 12' 58.00"))