WBL Catalog: Individual Galaxies in Nearby Poor Clusters

The WBL Individual Galaxies Data Catalog from White et al. (1999) contains entries for 732 optically selected, nearby poor clusters of galaxies covering the sky north of -3 degrees declination. This table, created by NASA HEASARC in July 2002, lists the individual galaxies within those clusters, including redshifts and cross-references to other catalogs.

Use Cases

• Study the properties of poor galaxy clusters based on optical selection criteria.
• Analyze galaxy associations across a wide range of richness, from poor groups to Abell clusters.
• Cross-reference individual galaxies with other catalogs using the provided identifiers.
• Investigate the cluster mass function spanning over 3 orders of magnitude.

Strengths

• Catalog of 732 nearby poor clusters of galaxies.
• Covers the entire sky north of -3 degrees declination.
• Includes redshifts for individual galaxies and cross-references to other catalogs.
• Systematically includes poor and rich galaxy systems, offering greater diversity than other group catalogs.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count for the individual galaxy table is unknown, which may limit suitability assessment.
• Data may reflect observational bias inherent to the optical selection criteria and magnitude limit.

Provenance

Source

National Aeronautics and Space Administration (NASA HEASARC), based on CDS Catalog J/AJ/118/2014.

Collection Method

Optically selected concentrations of three or more galaxies with photographic magnitudes brighter than 15.7 and a specific galaxy surface overdensity.

Time Range

Catalog published in 1999.

Freshness

Last updated 2026-03-13 17:41:29.874877; freshness should be verified.

Geography

Covers the entire sky north of -3 degrees declination.