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Zwicky Clusters
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,... -
CfA Redshift Catalog (June 1995 Version)
The ZCAT database contains the CfA Redshift Catalog, which incorporates much of the latest velocity data from the Whipple Observatory and other sources, as well as velocities... -
XTE All-Sky Slew Survey AGN Catalog
This table contains the RXTE All-Sky Slew Survey Catalog of AGN and AGN candidates. The catalog authors compiled a sample of 95 AGNs which were serendipitously detected in the... -
X-Ray Selected High-z AGN Catalog
This table contains the results from an analysis of the largest high-redshift (z > 3) X-ray-selected active galactic nucleus (AGN) sample to date, combining the Chandra... -
X-Ray Selected BL Lac Objects Catalog
This table contains a catalog of 312 X-ray selected BL Lacertae objects (XBLs), optically identified through the end of 2011. It contains the names from different surveys,... -
2XMMi/SDSS Galaxy Cluster Survey Extension
This table contains results from the analysis of a sample of 383 X-ray selected galaxy groups and clusters with spectroscopic redshift measurements (up to z ~ 0.79) from the... -
2WHSP Catalog of High Synchrotron Peaked Blazars and Candidates
High Synchrotron Peaked blazars (HSPs) dominate the gamma-ray sky at energies larger than a few GeV, however only a few hundred blazars of this type have been catalogued so far.... -
WBL Individual Galaxies Data Catalog (White et al. 1999)
The Catalog of Nearby Poor Clusters of Galaxies of White et al. (1999), also known as the WBL Catalog, is a catalog of 732 optically selected, nearby poor clusters of galaxies... -
WBL Poor Galaxy Clusters Catalog (White et al. 1999)
The Catalog of Nearby Poor Clusters of Galaxies of White et al. (1999), also known as the WBL Catalog, is a catalog of 732 optically selected, nearby poor clusters of galaxies... -
Wide Angle ROSAT Pointed Survey, First Phase (WARPS-I)
The Wide Angle ROSAT Pointed Survey, First Phase (WARPS-I) table is a catalog which contains optical identifications for objects found in a serendipitous survey of relatively... -
VeronCatalogofQuasars&AGN,13thEdition
This database table contains the 13th edition of the Catalog of Quasars and Active Galactic Nuclei by Veron-Cetty and Veron, and is an update of the previous versions. As in the... -
Updated Zwicky Catalog
The Zwicky Catalog of Galaxies, with a magnitude limit m<sub>Zw</sub> <= 15.5, has been the basis for the Center for Astrophysics (CfA) redshift surveys. To date,... -
UV-Bright Quasar Survey (UVQS) DR1 Catalog
This table contains data from the first data release (DR1) from the UV-bright Quasar Survey (UVQS) for new z ~ 1 active galactic nuclei (AGN) across the sky. Using simple GALEX... -
Uppsala General Catalog of Galaxies
The Uppsala General Catalogue of Galaxies (UGC) is an essentially complete catalog of galaxies to a limiting diameter of 1.0 arcminute and/or to a limiting apparent magnitude of... -
Tartarus: Reduced ASCA AGN Data (Version 3.1)
The Tartarus database contains the results of a detailed but systematic analysis of ASCA observations of active galactic nuclei (AGN). It contains source and background events... -
Swift Simultaneous UV, Optical, and X-Ray Observed Quasar Catalog
The authors have compiled a catalog of optically selected quasars with simultaneous observations in UV/optical and X-ray bands by the Swift Gamma-ray Burst Explorer. Objects in... -
Swift BAT 60-Month Survey of Active Galactic Nuclei Catalog
Surveys above 10 keV represent one of the best resources to provide an unbiased census of the population of active galactic nuclei (AGNs). The authors present the results of 60... -
6dFGS Galaxy Survey Final Redshift Release Catalog
The final redshift release of the 6dF Galaxy Survey (6dFGS) is a combined redshift and peculiar velocity survey over the southern sky (|b| > 10 degrees). Its 136,304 spectra... -
Shakhabazian (Shk) Compact Groups of Galaxies: Individual Galaxies Data
The largest survey of compact galaxy groups was published by Shakhbazian et al. (the <a href="https://cdsarc.cds.unistra.fr/ftp/cats/VII/89">CDS catalog VII/89</a>,... -
Shakbazian Compact Groups of Galaxies
This catalog is a compilation of ten lists of compact groups of compact galaxies found on the Palomar Sky Survey red charts and published in the period 1973 to 1979 by...