101 datasets found for "Classification"
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Federal
Bright Star Catalog
National Aeronautics and Space Administration —
The BSC5P database table contains data derived from the Bright Star Catalog, 5th Edition, preliminary, which is widely used as a source of basic astronomical and... -
Federal
Henry Draper Extension Charts Catalog
National Aeronautics and Space Administration —
The Henry Draper (HD) Catalog (Cannon and Pickering 1918 - 1924, Ann. Astron. Obs. Harvard College 91 - 99) and its first extension, the Henry Draper Extension (HDE)... -
Federal
X-Ray Selected High-z AGN Catalog
National Aeronautics and Space Administration —
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... -
Federal
Uppsala General Catalog of Galaxies
National Aeronautics and Space Administration —
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... -
Federal
Catalog of Galactic OB Stars
National Aeronautics and Space Administration —
An all-sky catalog of Galactic OB stars has been created by extending the Case-Hamburg Galactic Plane Luminous Stars surveys to include 5,500 additional objects drawn... -
Federal
Large Quasar Astrometric Catalog, 3rd Release
National Aeronautics and Space Administration —
Since the release of the original Large Quasar Astrometric Catalog (LQAC: Souchay et al. 2009, A&A, 494, 815), a large number of quasars have been discovered... -
Federal
IC 348 Chandra X-Ray Point Source Catalog 2
National Aeronautics and Space Administration —
IC 348 is a nearby (~ 310 pc), young (~ 2 - 3 Myr) open cluster with > 300 members identified from optical and infrared observations. The authors studied the... -
Federal
NormaArmRegionChandraSurveyPoint&ExtendedSourceCatalog
National Aeronautics and Space Administration —
This table contains the catalog of 1,415 X-ray sources identified in the Norma Arm Region Chandra Survey (NARCS), which covers a 2 degree x 0.8 degree region in the... -
Federal
Byurakan/Hamburg/ROSAT Catalog of Optical IDs
National Aeronautics and Space Administration —
This table contains the Byurakan/Hamburg/ROSAT Catalog (BHRC) of the optical identifications of X-ray sources. The BHRC includes all 2791 X-ray sources from the ROSAT... -
Federal
SDSS-IV/SPIDERS ROSAT-Based X-Ray Point Source Spectroscopic Catalog
National Aeronautics and Space Administration —
This catalog aims to provide a detailed description of the SPectroscopic IDentification of ERosita Sources (SPIDERS) survey, an SDSS-IV program aimed at obtaining... -
Federal
XMM-Newton 2XMMi-DR3 Selected Source Detections Catalog
National Aeronautics and Space Administration —
The authors have carried out a classification of 4,330 X-ray sources in the 2XMMi-DR3 catalog. The sources were selected under the requirement of being a point source... -
Federal
Symbiotic Stars Catalog
National Aeronautics and Space Administration —
This database table contains a catalog of confirmed and suspected symbiotic stars. The list includes 188 symbiotic stars as well as 30 objects suspected of being... -
Federal
Fermi LAT Low-Energy Events Catalog
National Aeronautics and Space Administration —
LAT Low-Energy events (LLE) are automatically produced for each GBM GRB in the GBM Trigger Catalog if the GBM GRB has a position within 90 degrees of the LAT... -
Federal
NGC 6791 Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
This table contains some of the results from the first X-ray study of NGC 6791, one of the oldest open clusters known (8 Gyr). This Chandra observation was aimed at... -
Federal
Million Quasars Catalog (MILLIQUAS), Version 8 (2 August 2023)
National Aeronautics and Space Administration —
This table contains the Million Quasars (MILLIQUAS) Catalog, Version 8 (2 August 2023). It is a compendium of 907,144 type-I QSOs and AGN, largely complete from the... -
Federal
COSMOS Field VLBA Observations 1.4-GHz Source Catalog
National Aeronautics and Space Administration —
This table contains the results of a project using wide-field Very Long Baseline Interferometry (VLBI) observations at 1.4 GHz of 2,865 known radio sources in the... -
Federal
M 83 Chandra X-Ray Binary Classifications Using HST
National Aeronautics and Space Administration —
Building on recent work by Chandar+ (2020, J/ApJ/890/150), the authors constructed X-ray luminosity functions (XLFs) for different classes of X-ray binary (XRB)... -
Federal
SWIRE/Chandra Lockman Hole Field X-Ray Source Catalog
National Aeronautics and Space Administration —
The authors have carried out a moderate-depth (70 ks), contiguous 0.7 square degrees Chandra survey in the Lockman Hole Field of the Spitzer/SWIRE Legacy Survey... -
Federal
Brightest M Dwarfs in the Northern Sky Spectroscopic Catalog
National Aeronautics and Space Administration —
This table contains a spectroscopic catalog of the 1564 brightest (J < 9m) M-dwarf candidates in the northern sky, as selected from the SUPERBLINK proper-motion... -
Federal
GALEX Time Domain Survey Catalog
National Aeronautics and Space Administration —
This table contains results from the selection and classification of over a thousand ultraviolet (UV) variable sources discovered in ~ 40 deg2 of GALEX Time Domain...
101 datasets found for "Classification"