132 datasets found for "Population Density"
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Federal
IRAS 20126+4104 Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
This table contains results from Chandra ACIS-I and Karl G. Jansky Very Large Array 6-cm continuum observations of the IRAS 20126+4104 massive star-forming region.... -
Federal
NGC 1333 Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
NGC 1333, a highly active star formation region within the Perseus molecular cloud complex, has been observed on 2000 July 12.96 - 13.48 with the ACIS-I detector on... -
Federal
VLA Extended-Chandra Deep Field-South 1.4-GHz Sources Opt/IR Counterparts
National Aeronautics and Space Administration —
This table contains a sample of 883 sources detected in a deep Very Large Array (VLA) survey at 1.4 GHz in the Extended-Chandra Deep Field South (E-CDFS). The... -
Federal
RCW 38 Chandra X-Ray Point Source Catalog 2
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
RCW 49 Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
This table contains the list of X-ray sources detected in a high-resolution X-ray imaging study of the stellar population in the Galactic massive star-forming region... -
Federal
GLIMPSE II Catalog
National Aeronautics and Space Administration —
The Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSEII) imaged longitudes ±10◦ of the central region of the Galaxy. The latitude coverage is ±1◦ from... -
Federal
Chandra Deep Field-South 7-Megasecond X-Ray Source Catalog
National Aeronautics and Space Administration —
This table contains the X-ray source catalogs for the ~7 Ms exposure of the Chandra Deep Field-South (CDF-S), which covers a total area of 484.2 square arcminutes.... -
Federal
ChaMPlane Galactic Bulge and Center X-Ray Source Catalog
National Aeronautics and Space Administration —
This table contains the Chandra Multiwavelength Plane (ChaMPlane) Survey catalog of X-ray point sources in the window and four Galactic bulge fields, specifically all... -
Federal
Australia Telescope Low-Brightness Survey Source Catalog
National Aeronautics and Space Administration —
The Australia Telescope Low-brightness Survey (ATLBS) regions have been mosaic imaged at a radio frequency of 1.4 GHz with 6 arcseconds angular resolution and 72... -
Federal
VLA Subaru/XMM-Newton Deep Field 1.4-GHz Sources Optical/Near-IR Counterparts
National Aeronautics and Space Administration —
In Simpson et al. (2006, MNRAS, 372, 741, hereafter Paper I, available at the HEASARC as the VLASXDF1P4 table, the authors presented a catalog of 505 sources with... -
Federal
XMM-Newton Survey Science Center Survey of the Galactic Plane
National Aeronautics and Space Administration —
Many different classes of X-ray sources contribute to the Galactic landscape at high energies. Although the nature of the most luminous X-ray emitters is now fairly... -
Federal
Rosette Molecular Cloud Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
The authors of this study have explored the young stellar populations in the Rosette Molecular Cloud (RMC) region with high spatial resolution X-ray images from the... -
Federal
Ultraluminous X-Ray Sources in Nearby Galaxies Catalog
National Aeronautics and Space Administration —
One hundred and seven ultraluminous X-ray sources (ULXs) with 0.3-10.0 keV luminosities in excess of 1039 erg s-1 are identified in a complete sample of 127 nearby... -
Federal
NGC 4649 Chandra X-Ray Point Source Catalog 2
National Aeronautics and Space Administration —
This table contains the main X-ray source catalog for the Chandra monitoring observations of the 16.5-Mpc distant elliptical galaxy, NGC 4649. The galaxy has been... -
Federal
M 71 Chandra X-Ray Point Source and Optical/Infrared Counterparts Catalog
National Aeronautics and Space Administration —
The authors observed the nearby, low-density globular cluster M71 (NGC 6838) with the Chandra X-Ray Observatory to study its faint X-ray populations. Five X-ray... -
Federal
Giant Metrewave Radio Telescope XMM Large Scale Structure 610-MHz Source Catalog
National Aeronautics and Space Administration —
The low-frequency radio survey of the XMM-Large Scale Structure (XMM-LSS) field centered at RA (J2000) = 2h24m00s, Dec (J2000) = -4009'47" aims to study the... -
Federal
S254-S258 Star-Forming Region Chandra X-Ray Point Source Catalog
National Aeronautics and Space Administration —
The aim of this study was to find an explanation for the remarkable morphology of the central part of the S254-S258 star forming complex. The authors performed a deep... -
Federal
XMM-COSMOS Catalog of Optical/IR Counterparts
National Aeronautics and Space Administration —
This table contains the final optical identifications of the medium-depth (~60 ks), contiguous (2 degree2) XMM-Newton survey of the COSMOS field. XMM-Newton has... -
Federal
Selected Area 57 XMM-Newton X-Ray Source Catalog
National Aeronautics and Space Administration —
The maximum number density of Active Galactic Nuclei (AGNs), as deduced from X-ray studies, occurs at z >= 1, with lower luminosity objects peaking at smaller...
132 datasets found for "Population Density"