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Small Magellanic Cloud Deep Fields X-Ray Point Source Catalog
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 low-mass... -
Small Magellanic Cloud ATCA 8640-MHz Source Catalog
This table contains a new catalog of radio-continuum sources in the field of the Small Magellanic Cloud (SMC). This catalog contains sources found at 8640 MHz (lambda = 3 cm) by... -
Small Magellanic Cloud MOST 843-MHz Source Catalog
This table contains a new catalog of radio-continuum sources in the field of the Small Magellanic Cloud (SMC). This catalog contains 1689 radio-continuum sources detected at 843... -
Data Central SCS
Data Central Simple Cone Search. Access Data Central and other catalogues. -
Data Central SSA
Spectra from surveys hosted by Data Central. Most spectra were taken with the multi-object spectroscopy facilities 2dF (Anglo-Australian Telescope) and 6dF (UK Schmidt Telescope). -
Heliophysics Feature Catalogue: Active regions
Active regions of the Sun from Heliophysics Feature Catalogue (HFC). -
Light Pollution Weather
We give continuous night and day light measurements at all natural outdoor light levels by a network of low-cost lightmeters. Developed to start simple, global continuous high... -
Harvest Trigger Service
Operators of publishing registries can use this service to request a re-harvest of their registry by pasting in their registry's IVOID below. If you paste in the magic value... -
CfA Redshift Catalog (June 1995 Version)
The ZCAT database contains the CfA Redshift Catalog, which incorporates much of the latest velocity data from the Whipple Observatory and other sources, as well as velocities... -
XMM-Newton Wide Angle Survey
This table contains results from the XMM-Newton Wide Angle Survey (XWAS), viz., a new catalog of almost a thousand X-ray sources that have been spectroscopically identified... -
XTE Archived Public Slew Data
This database table is a catalog of all the RXTE slew observations and is based on information culled from the RXTE Data Archive's latest top-level FMI (FITS Master Index)... -
XTE All-Sky Slew Survey Catalog
The Rossi X-Ray Timing Explorer (RXTE) All-Sky Survey Slew Catalog contains the results of a serendipitous hard X-ray (3 - 20 keV), nearly all-sky (|b|>10 degrees) survey... -
SkyView Virtual Observatory
SkyView is a Virtual Observatory on the Net. Astronomers can generate images of any portion of the sky at wavelengths in all regimes from radio to gamma-ray. Users tell SkyView... -
XMM-Newton Medium Sensitivity Survey (XMS) Source Catalog
X-ray sources at intermediate fluxes (a few x 10<sup>-14</sup> erg/cm<sup>2</sup>/s) with a sky density of ~ 100 deg<sup>2</sup> are... -
XMM-Newton XAssist Source List
This database table contains the latest XMM-Newton XAssist source list. XAssist is a NASA-funded project for the automation of X-ray astrophysics, with emphasis on galaxies. It... -
Ensemble X-Ray Variability of AGN in 2XMMi-DR3
The X-ray variability of active galactic nuclei (AGN) has been most often investigated with studies of individual, nearby sources, and only a few ensemble analyses have been... -
2XMM Flares Detected from Tycho-2 Stars
This table contains the results from a uniform, large-scale survey of X-ray flare emission, based on the XMM-Newton Serendipitous Source Catalog (2XMM) and its associated data... -
XMM-Newton Serendipitous Source Catalog from Stacked Observations: Obs. Data
The stacked catalog 4XMM-DR13s (<a href="/W3Browse/xmm-newton/xmmstack.html">XMMSTACK</a>) has been compiled from 1,688 groups, comprising 9,796 overlapping... -
XMM-Newton Serendipitous Source Catalog from Stacked Observations (4XMM-DR13s)
The stacked catalog 4XMM-DR13s has been compiled from 1,688 groups, comprising 9,796 overlapping good-quality XMM-Newton observations. They were selected from the public... -
XMM-Newton 2XMMi-DR3 Selected Source Classifications Catalog
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 with...