298 datasets found for "Sampling"
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Federal
Milky Way Star Clusters Catalog
National Aeronautics and Space Administration —
Although they are the main constituents of the Galactic disk population, for half of the open clusters in the Milky Way reported in the literature nothing is known... -
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
Candidate Gamma-Ray Blazar Survey Source Catalog
National Aeronautics and Space Administration —
The authors have constructed a uniform all-sky survey of bright blazars, selected primarily by their flat radio spectra, that is designed to provide a large catalog... -
Federal
2MASS Redshift Survey (2MRS) Catalog
National Aeronautics and Space Administration —
This table is based on the results of the 2MASS Redshift Survey (2MRS), a ten-year project to map the full three-dimensional distribution of galaxies in the nearby... -
Federal
MASH Catalogs of MASH Planetary Nebulae
National Aeronautics and Space Administration —
The first part of the Macquarie/AAO/Strasbourg H-alpha Planetary Nebula Catalog (MASH) contains 903 new true, likely and possible Galactic planetary nebulae (PNe)... -
Federal
CANDELS H-Band Selected Chandra Source Catalog
National Aeronautics and Space Administration —
Improving the capabilities of detecting faint X-ray sources is fundamental to increase the statistics on faint high-z AGN and star-forming galaxies. The authors... -
Federal
Extended Chandra Deep Field South 250-ks Improved Point Source Catalog
National Aeronautics and Space Administration —
This table contains the improved point-source catalog for the 250-ks Extended Chandra Deep Field-South (E-CDF-S) Survey, implementing a number of recent improvements... -
Federal
VLA ELAIS N1, N2, N3 Fields 20-cm Source Catalog
National Aeronautics and Space Administration —
The authors have used the Very Large Array (VLA) in C configuration to carry out a sensitive 20-cm radio survey of regions of the sky that have been surveyed in the... -
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
Optically-Selected QSOS NVSS-Detected Source Catalog
National Aeronautics and Space Administration —
The authors used the 1.4-GHz NRAO VLA Sky Survey (NVSS) to study radio sources in two color-selected QSO samples: a volume-limited sample of 1,313 QSOs defined by Mi... -
Federal
ROSAT North Ecliptic Pole Survey X-Ray Source Catalog
National Aeronautics and Space Administration —
This table contains the ROSAT North Ecliptic Pole (NEP) Survey X-Ray Source Catalog. The sky around the NEP, at RA (J2000.0) = 18h00m00s, Declination (J2000.0) =... -
Federal
6dFGS Galaxy Survey Final Redshift Release Catalog
National Aeronautics and Space Administration —
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... -
Federal
VLA Orion Nebula Cluster Compact Source Catalog
National Aeronautics and Space Administration —
This table contains a deep centimeter-wavelength catalog of the Orion Nebula Cluster (ONC), based on a 30-hr single-pointing observation with the Karl G. Jansky Very... -
Federal
GALEX/SDSS Quasar Catalog
National Aeronautics and Space Administration —
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)... -
Federal
Chandra Deep Field South 1-Megasecond Catalog
National Aeronautics and Space Administration —
The Chandra Deep Field South (CDFS) 1-Megasecond Catalog is the source catalog obtained from a 942 kilosecond exposure, using the Advanced CCD Imaging Spectrometer... -
Federal
ROSAT All-Sky Survey: Hyades Cluster Region
National Aeronautics and Space Administration —
This catalog contains the results of a complete X-ray survey of the Hyades cluster region using X-ray data from the ROSAT All-Sky Survey (RASS) that was published by... -
Federal
Faint Sky Variability Survey Catalog of Galaxy Clusters and Rich Groups
National Aeronautics and Space Administration —
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... -
Federal
Chandra Nearby Spiral Galaxies Point Source Catalog
National Aeronautics and Space Administration —
Emission from discrete point sources dominates the X-ray luminosity in spiral galaxies. This table contains the results from a survey of 11 nearby, nearly face-on... -
Federal
ROSAT North Ecliptic Pole Survey Optical Identifications
National Aeronautics and Space Administration —
This table contains the ROSAT North Ecliptic Pole (NEP) Survey list of optical identifications. The X-ray data around the NEP from the ROSAT All-Sky Survey (RASS)... -
Federal
Sloan Digital Sky Survey/XMM-Newton AGN Spectral Properties Catalog
National Aeronautics and Space Administration —
Bright XMM-Newton data are combined with the Chandra Deep Field South observations to explore the behavior of the intrinsic AGN absorption, as a function of redshift...
298 datasets found for "Sampling"