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Sloan Digital Sky Survey Broad Absorption Line Quasars Catalog: 5th Data Release
No Description Available -
ROSAT North Ecliptic Pole Survey Active Galactic Nuclei Catalog
The ROSAT North Ecliptic Pole (NEP) Survey of Active Galactic Nuclei (AGN) Catalog is an X-ray flux-limited sample of 219 AGN discovered in the contiguous 80.7 square degrees... -
ROSAT PSPC Catalog of Clusters of Galaxies
This is a catalog of 203 clusters of galaxies serendipitously detected in 647 ROSAT PSPC high Galactic latitude pointings covering 158 square degrees. This is one of the largest... -
ROSAT Radio-Quiet Quasars Catalog
A sample of all radio-quiet quasars or quasars without radio detection taken from the Veron-Cetty - Veron catalog (1993, VERON93, ADC/<a... -
ROSAT Radio-Loud Quasars Catalog
Brinkmann et al. (1997) have compiled a sample of all quasars with measured radio emission from the Veron-Cetty - Veron catalog (1993, VERON93, CDS/ADC Cat. VII/166) detected by... -
ROSAT-ESO Flux-Limited X-Ray (REFLEX) Galaxy Cluster Survey
This table is the ROSAT-ESO Flux-Limited X-Ray (REFLEX) Galaxy Cluster Survey Catalog. The REFLEX Cluster Survey provides information on the X-ray properties, redshifts, and... -
Third Reference Catalog of Bright Galaxies
This table contains the machine-readable version of the Third Reference Catalogue of Bright Galaxies (RC3) by G. de Vaucouleurs, A. de Vacouleurs, H.G. Corwin, R.J. Buta, P.... -
ROSAT All-Sky Survey and Sloan Digital Sky Survey DR7 Galaxy Clusters
The authors use ROSAT All-Sky Survey (RASS) broad-band X-ray images and the optical clusters identified from the Sloan Digital Sky Survey Data Release 7 (SDSS DR7) to estimate... -
ROSAT All-Sky Survey Extended Brightest Cluster Sample
This table contains the ROSAT All-Sky Survey (RASS) Brightest Cluster Sample (BCS) and the Low-Flux Extension, which together form the Extended BCS (eBCS). The main BCS, which... -
ROSAT All-Sky Survey and SDSS DR5 Sample of X-Ray Emitting AGN
This table contains further results of a program aimed at yielding ~ 10<sup>4</sup> fully characterized optical identifications of ROSAT X-ray sources. The program... -
ROSAT All-Sky Survey CALS Galaxy Groups Catalog
This table contains the catalog from the ROSAT All-Sky Survey (RASS) Center for Astrophysics (CfA) Loose Systems, or RASSCALS, the largest X-ray and optical survey of low-mass... -
Hewitt&Burbidge(1993)QSOCatalog
This is (a somewhat condensed form of) the Hewitt & Burbidge (1993) Revised and Updated Catalog of Quasi-Stellar Objects, and contains all then-known (to 1992 December 31)... -
Principal Galaxy Catalog (PGC) 2003
The Principal Galaxy Catalog, 2003 Version (PGC2003) is a new catalog of principal galaxies. It constitutes the framework of the HYPERLEDA database that supersedes the LEDA one,... -
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.... -
A Database of Circumstellar OH Masers
A all-sky compilation of galactic stellar sources observed for OH maser emission in the transitions at 1612, 1665, and 1667 MHz. The database contains OH maser observations... -
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...
