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Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey Catalog
In the construction of an X-ray-selected sample of galaxy clusters for cosmological studies, the authors have assembled a sample of 495 X-ray sources which were found to show... -
NGC2000.0: Complete New General Catalog and Index Catalog
NGC 2000.0 is a modern compilation of the New General Catalogue of Nebulae and Clusters of Stars (NGC), the Index Catalogue (IC), and the Second Index Catalogue compiled by J.... -
Messier Nebulae
The Messier Catalog of bright, extended objects was compiled by the comet-hunter Charles Messier in the 18th century. It comprised a list of 110 objects which are mostly... -
Morphological Galaxy Catalog
The MCG database contains the "Morphological Catalogue of Galaxies," a compilation of information for approximately 34,000 galaxies found and examined on the Palomar... -
Markarian Galaxies Optical Database
A database for the entire Markarian (First Byurakan Spectral Sky Survey or FBS) Catalog is presented that combines extensive new measurements of their optical parameters with a... -
First Byurakan Survey (Markarian) Catalog of UV-Excess Galaxies
A catalog of galaxies with UV-continuum (Markarian galaxies) detected during the First Byurakan Survey (FBS) is presented. The purpose of the FBS was to search for peculiar... -
Large Bright Quasar Survey
Positions, redshifts, and magnitudes for the 1055 quasars in the Large Bright Quasar Survey (LBQS) are presented in a single catalog. Celestial positions have been rederived... -
Extragalactic Radio Sources
This catalog is a compilation of 518 extragalactic radio sources with flux densities greater than 1 Jy at 5 GHz. It contains sources from the NRAO-MPI 5-GHz Strong Source... -
IRAS 1.2-Jy Redshift Survey
This is The Redshift Survey of Fisher, Huchra, Strauss, Davis, Yahil and Schlegel; the data set is described in full in ApJ 361, 49 (1990). The data for the brighter half are... -
INTEGRAL IBIS AGN Catalog Update
In the most recent IBIS survey based on observations performed during the first 1000 orbits of INTEGRAL, there are listed 363 high-energy emitters firmly associated with AGN,... -
Second INTEGRAL AGN Catalog
The INTEGRAL mission provides a large data set for studying the hard X-ray properties of AGN and allows testing the unified scheme for AGN. This table contains some of the... -
Hickson Compact Groups of Galaxies (HCG) Individual Galaxies Data
The HCGGALAXY database table is based on the Hickson Catalog of Compact Groups, and contains data on 463 galaxies in 100 compact groups of galaxies that were identified by a... -
Hickson Compact Groups of Galaxies (HCG) Catalog
The HCG database table is based on the Hickson Catalog, which is a list of 100 compact groups of galaxies that were identified by a systematic search of the Palomar Observatory... -
GALEX/SDSS Quasar Catalog
This table contains the result of an analysis of the broad-band UV and optical properties of z ~< 3.4 quasars matched in the Galaxy Evolution Explorer (GALEX) General Data... -
Faint Sky Variability Survey Catalog of Galaxy Clusters and Rich Groups
The Faint Sky Variability Survey Catalog of Galaxy Clusters and Rich Groups contains a a large sample of 598 galaxy clusters and rich groups discovered in the data of the Faint... -
FIRST Catalog of FR II Radio Galaxies
This table contains a catalog of 123 Fanaroff and Riley class II edge-brightened radio galaxies (FR IIs), called FRIICAT, that has been selected from a published sample obtained... -
FIRST Catalog of FR I Radio Galaxies
The authors have built a catalog of 219 Fanaroff and Riley class I edge-darkened radio galaxies (FR Is), called FRICAT, that is selected from a published sample and obtained by... -
Fermi LAT Monitored Source List
The Fermi LAT table of monitored sources provides daily and weekly fluxes for sources of interest as described in <a... -
Fermi LAT Fourth AGN Catalog
This is the third update to the fourth catalog of active galactic nuclei (AGNs) detected by the Fermi Large Area Telescope (LAT). This version (4LAC-DR3) derives from the third... -
Hewitt&Burbidge(1991)CatalogofExtragalacticEmission-LineObjects
This is the Hewitt & Burbidge (1991) Optical Catalog of Extragalactic Emission-Line Objects Similar to Quasi-Stellar Objects. It contains a total of 935 galaxies which have...
