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The RADIO database table is a periodically revised master catalog that contains selected parameters from a number of the HEASARC database tables that have information on radio source flux...
Search relevance: 186.96 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 11:46 PM -
The Quasars.org (QORG) Catalog is an all-sky optical catalog of radio/X-ray sources. The QORG Catalog aligns and overlays the year 2001/2 releases of the ROSAT HRI, RASS, PSPC and WGA X-ray...
Search relevance: 51.22 | Views last month: 8 | Catalog Last Checked: November 03, 2026 at 11:50 PM -
The Millions of Optical Radio/X-ray Associations (MORX) catalog combines all of the largest published optical, radio, and X-ray sky catalogs to find probable radio/X-ray associations with optical...
Search relevance: 40.49 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 11:44 PM -
This database table is the Dixon Master List of Radio Sources (Version 43, dated November 1981) which contains flux densities for known radio sources detected at a variety of frequencies. The...
Search relevance: 35.48 | Views last month: 16 | Catalog Last Checked: November 03, 2026 at 11:49 PM -
This table contains some of the results of Low-Frequency Array (LOFAR) High-Band Array (HBA) observations of the Herschel-ATLAS North Galactic Pole (NGP) survey area. The survey the authors...
Search relevance: 28.48 | Views last month: 0 | Catalog Last Checked: November 03, 2026 at 11:50 PM -
The EUV database table is the Extreme Ultraviolet (EUV) Master Catalog and contains a compendium of EUV sources. It is comprised of selected fields from the following HEASARC EUV database tables:...
Search relevance: 28.22 | Views last month: 3 | Catalog Last Checked: November 03, 2026 at 11:48 PM -
This table contains the 132,254 AllWISE counterparts and/or Gaia matches to 106,573 X-ray sources detected in the ROSAT 2RXS survey with Galactic latitude |b| > 15 degrees. These are the brightest...
Search relevance: 19.22 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:44 PM -
This table contains the 19,141 AllWISE counterparts and/or Gaia matches to 17,665 X-ray sources detected in the XMM-Newton Slew Survey, Version 2 (hereafter XMMSL2, currently available at the...
Search relevance: 17.91 | Views last month: 1 | Catalog Last Checked: November 03, 2026 at 11:46 PM
