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Zwicky Clusters
Published by High Energy Astrophysics Science Archive Research Center · Updated 10/27/2026
- Last updated
- 10/27/2026
- Update frequency
- Not listed
- Formats
- 1
- BIN
- Coverage
- Nationwide
- Federal data
About this dataset
The ZWCLUSTERS database is based upon the Catalogue of Zwicky Clusters of Galaxies. The Zwicky clusters were identified by F. Zwicky in 560 POSS fields. They are rich clusters, each having at least 50 members within 3 magnitudes of the brightest member. This is a service provided by NASA HEASARC.
Files and access
Links open the official government source
Links open outside websites we do not control.
Frequently asked questions
- Who publishes Zwicky Clusters?
- High Energy Astrophysics Science Archive Research Center, part of National Aeronautics and Space Administration, publishes this dataset on Data.gov.
- How often is it updated?
- The publisher does not list a schedule. The last update was on 10/27/2026.
- How do I download it?
- Use the official source link above to view or request the data.
Similar data from other publishers
- Protein ClustersU.S. Department of Health & Human Services · National Library of MedicineA collection of Reference Sequence (RefSeq) proteins, from the complete genomes of prokaryotes, plasmids, and organelles, that have been grouped and annotated based on sequence similarity and protein function.Updated 06/18/2025
- Neighborhood ClustersDistrict of Columbia · D.C. Office of the Chief Technology OfficerThis data set describes Neighborhood Clusters that have been used for community planning and related purposes in the District of Columbia for many years. It does not represent boundaries of District of Columbia neighborhoods. Cluster boundaries were establisheCSVGeoJSONShapefileKML+1Updated 09/05/2024
- Neighborhood ClustersDistrict of Columbia · D.C. Office of the Chief Technology OfficerThis data set describes Neighborhood Clusters that have been used for community planning and related purposes in the District of Columbia for many years. It does not represent boundaries of District of Columbia neighborhoods. Cluster boundaries were establisheCSVGeoJSONKMLZIP+2Updated 09/05/2024
Where this catalog comes from
- Data.gov CatalogU.S. General Services Administration
- State and local open data portalsSocrata Discovery API
- State and city CKAN portalsCalifornia, Virginia, Boston, Houston and more
- Government ArcGIS Hub sitesCity and county GIS data
Catalog checked 10/30/2026
We list dataset descriptions only. Downloads and APIs link straight to the official government source, which holds the current version and its terms of use.
Source: Data.gov · Last updated 10/30/2026 · Listing only; the data stays with the publisher
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