66 datasets found for "Population Density"
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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
Collinder 261 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 Collinder 261 (Cr 261), which at an age of 7 Gyr is one of the oldest open clusters known in the... -
Federal
NorthAmerica(NGC7000)&Pelican(IC5070)NebulaeX-RaySourceCatalog
National Aeronautics and Space Administration —
This table contains some of the results from the first extensive X-ray study of the North-America and Pelican star-forming region (NGC 7000/IC 5070), with the aim of... -
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
XTE All-Sky Slew Survey AGN Catalog
National Aeronautics and Space Administration —
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... -
Federal
Planck High-Redshift Source Candidates Catalog
National Aeronautics and Space Administration —
The Planck mission, thanks to its large frequency range and all-sky coverage, has a unique potential for systematically detecting the brightest, and rarest, sub-... -
Federal
NICER Master Catalog
National Aeronautics and Space Administration —
This table records high-level information for the observations obtained with NICER (Neutron star Interior Composition ExploreR) and provides access to the NICER data... -
Federal
Chandra Legacy Survey (CLS) Catalog
National Aeronautics and Space Administration —
The COSMOS-Legacy survey is a 4.6-Ms Chandra program that has imaged 2.2 deg2 of the COSMOS field with an effective exposure of ~160 ks over the central 1.5 deg2 and... -
Federal
Small Magellanic Cloud Deep Fields X-Ray Point Source Catalog
National Aeronautics and Space Administration —
This table contains the results of a pair of 100 ks Chandra observations of the Small Magellanic Cloud (SMC) to survey high-mass X-ray binaries (HMXBs), stars, and... -
Federal
Chandra Multiwavelength Plane Survey Optical ID Catalog
National Aeronautics and Space Administration —
The authors have carried out optical and X-ray spectral analyses on a sample of 136 candidate optical counterparts of X-ray sources found in five Galactic bulge... -
Federal
VLA-COSMOS Survey 324-MHz Continuum Source Catalog
National Aeronautics and Space Administration —
This table contains a source catalog based on 90-cm (324-MHz) Very Large Array (VLA) imaging of the COSMOS field, comprising a circular area of 3.14 square degrees... -
Federal
NGC 1399 Chandra X-Ray Source Catalog
National Aeronautics and Space Administration —
This table contains results from a wide-field study of the globular cluster (GC)/low-mass X-ray binary (LMXB) connection in the giant elliptical NGC 1399. The large... -
Federal
Giant Metrewave Radio Telescope 1h XMM/Chandra Survey Fld 610-MHz Source Catalog
National Aeronautics and Space Administration —
This table contains the results of a deep 610-MHz survey of the 1hr XMM-Newton/Chandra survey area with the Giant Metre-wave Radio Telescope (GMRT). The resulting... -
Federal
VLA Survey of Chandra Deep Field South
National Aeronautics and Space Administration —
This table contains some of the results from 20 and 6 cm VLA deep observations of the Chandra Deep Field-South (CDF-S), including the Extended CDF-S (E-CDF-S). In the... -
Federal
SSA22 Field Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
This table contains the main X-ray point-source catalog for a deep ~400-ks Chandra ACIS-I (Advanced CCD Imaging Spectrometer) exposure of the SSA22 field. The... -
Federal
ROSAT/XMM-Newton 13-hr Deep Field VLA 20-cm Source Catalog
National Aeronautics and Space Administration —
In order to determine the relationship between the faint X-ray and faint radio source populations, and hence to help understand the X-ray and radio emission... -
Federal
Swift BAT 60-Month Survey of Active Galactic Nuclei Catalog
National Aeronautics and Space Administration —
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... -
Federal
RCW 38 Young Stellar Objects Catalog
National Aeronautics and Space Administration —
This table contains some of the results from a study of the structure of the high-mass star-forming region RCW 38 and the spatial distribution of its young stellar... -
Federal
NGC 2264 Chandra X-Ray Point Source Catalog 2
National Aeronautics and Space Administration —
With the goal of improving the member census of the NGC 2264 star-forming region and studying the origin of X-ray activity in young pre-main sequence (PMS) stars, the... -
Federal
WSRT Galactic Plane Compact 327-MHz Source Catalog
National Aeronautics and Space Administration —
The Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands has been used to survey the section of the galactic plane from +42 to +92 degrees Galactic...
66 datasets found for "Population Density"