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Federal
CGRO Timeline
National Aeronautics and Space Administration —
The Compton Gamma-Ray Observatory (CGRO) was the second of NASA's Great Observatories. It was launched on April 5, 1991, from Space Shuttle Atlantis. It operated... -
Federal
Morphological Galaxy Catalog
National Aeronautics and Space Administration —
The MCG database contains the "Morphological Catalogue of Galaxies," a compilation of information for approximately 34,000 galaxies found and examined on the Palomar... -
Federal
General Catalog of Variable Stars (June 2022 Version)
National Aeronautics and Space Administration —
Work aimed at compiling detailed catalogs of variable stars in the Galaxy, which has been carried out continuously by Moscow variable-star researchers since 1946 on... -
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
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
AKARI/FIS All-Sky Survey Bright Source Catalog, Version 1
National Aeronautics and Space Administration —
The AKARI Infrared Astronomical Satellite observed the whole sky in the far-infrared (50-180 microns or um) and the mid-infrared (9 and 18 um) between May 2006 and... -
Federal
EXOSAT Observation Log
National Aeronautics and Space Administration —
This database table contains the EXOSAT observation log. This is a complete list of all EXOSAT observations, observing modes, and principal investigators. The log can... -
Federal
NRAO VLA Sky Survey Catalog
National Aeronautics and Space Administration —
This table contains the National Radio Astronomy Observatory (NRAO) Very Large Array (VLA) Sky Survey, the so-called NVSS Catalog. The NVSS Catalog covers the sky... -
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
Abell Clusters
National Aeronautics and Space Administration —
The ABELL database contains information from a catalog of clusters of galaxies, each having at least 30 members within the magnitude range m3 to m3+2 (m3 is the... -
Federal
AAVSO International Variable Star Index
National Aeronautics and Space Administration —
This database table contains Galactic stars known or suspected to be variable. It lists all stars that have an entry in the American Association of Variable Star... -
Federal
LOFAR 3C295 Field 62-MHz Source Catalog
National Aeronautics and Space Administration —
This table contains the source list from Low Frequency Array (LOFAR) Low Band observations of the 3C 295 field at 62 MHz. The images of this field and the Bootes... -
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
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
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
Swift TDRSS Messages
National Aeronautics and Space Administration —
This database table is derived from the Swift TDRSS messages sent on ground soon after a BAT trigger occurs on-board. For each trigger there are associated up to 14... -
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
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
Catalog of Gamma-Ray Bursts
National Aeronautics and Space Administration —
This GRBs Catalog (GRBCAT) records high level information of the GRBs detected since their discovery in 1967. The catalog has been created using publications that... -
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...