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976 datasets found
  • Federal

    ROSAT North Ecliptic Pole Survey Active Galactic Nuclei Catalog

    National Aeronautics and Space Administration —

    The ROSAT North Ecliptic Pole (NEP) Survey of Active Galactic Nuclei (AGN) Catalog is an X-ray flux-limited sample of 219 AGN discovered in the contiguous 80.7 square...
  • Federal

    MAXI/GSC 7-Year High and Low Galactic Latitude Source Catalog (3MAXI)

    National Aeronautics and Space Administration —

    This table combines the published X-ray source catalogs of the high galactic latitude (|b| > 10o), Kawamuro et 2018, and the low galactic latitude (|b| < 10o),...
  • Federal

    Einstein Catalog HRI CFA Sources

    National Aeronautics and Space Administration —

    This database table consists of a preliminary source list for the Einstein Observatory's High Resolution Imager (HRI). The source list, obtained from EINLINE, the...
  • Federal

    Einstein HRI Images

    National Aeronautics and Space Administration —

    The HRIIMAGE database table contains information from the High Resolution Imager aboard HEAO 2, the Einstein Observatory. Einstein incorporated a high-resolution...
  • Federal

    Extended Chandra Deep Field-South X-Ray Point Source Catalog

    National Aeronautics and Space Administration —

    The Extended Chandra Deep Field-South (ECDFS) survey consists of four Chandra X-Ray Observatory (CXO) ACIS-I pointings and covers ~1100 arcmin2 (~0.3 deg2) centered...
  • Federal

    SMC X-Ray Discrete Sources

    National Aeronautics and Space Administration —

    This database contains the 70 `discrete' (i.e., more compact than a few arc minutes) Einstein IPC X-ray sources in the direction of the Small Magellanic Cloud (SMC)...
  • Federal

    EXOSAT TGS L and R Orders

    National Aeronautics and Space Administration —

    Spectra obtained using the EXOSAT transmission grating spectrometer, TGS. There are two databases TGS and TGS2 as follows: * TGS - the grating spectra averaged over...
  • Federal

    Einstein Observatory 2E Catalog of IPC X-Ray Sources

    National Aeronautics and Space Administration —

    This is the Einstein Observatory 2E Catalog of Imaging Proportional Counter (IPC) X-Ray Sources which was created by the HEASARC from the CDS Catalog IX/13. This...
  • Federal

    IC1396A&Trumpler37ClusterChandraX-RayPointSourceCatalog

    National Aeronautics and Space Administration —

    Rich, young stellar clusters produce H II regions whose expansion into the nearby molecular cloud is thought to trigger the formation of new stars. However, the...
  • Federal

    M 51 Chandra X-Ray Discrete Source Catalog

    National Aeronautics and Space Administration —

    This table contains the results of two Chandra observations (separated by 1 year) of the population of X-ray sources in the spiral galaxy M 51 (NGC 5194 and NGC...
  • Federal

    Australia Telescope Hubble Deep Field-South 2.5, 5.2 and 8.7-GHz Source Catalog

    National Aeronautics and Space Administration —

    Deep radio observations of a wide region centered on the Hubble Deep Field-South (HDF-S) have been performed, providing one of the most sensitive sets of radio...
  • Federal

    BBXRT Archive

    National Aeronautics and Space Administration —

    The BBXRT database table contains information about each observation made by the Broad Band X-Ray Telescope. It includes a catalog of observations and spectral and...
  • Federal

    M 31 Deep XMM-Newton Survey X-Ray Source Catalog

    National Aeronautics and Space Administration —

    The largest Local Group spiral galaxy, M 31, has been completely imaged for the first time, with an obtained luminosity lower limit ~1035erg/s in the 0.2 - 4.5 keV...
  • Federal

    GingaBackgroundLightcurves&Spectra

    National Aeronautics and Space Administration —

    The GINGABGD database table contains a summary of the contents of the Ginga pointed observations of (nominally empty) background fields. This table has been produced...
  • Federal

    Small Magellanic Cloud XMM-Newton Point Source Catalog

    National Aeronautics and Space Administration —

    The XMM-Newton survey of the Small Magellanic Cloud (SMC) yielded complete coverage of the bar and eastern wing in the 0.2-12.0 keV energy band. In addition to the...
  • Federal

    BeppoSAX High-Energy Large Area Survey (HELLAS) Radio Source Catalog

    National Aeronautics and Space Administration —

    This table contains results of a complete radio follow-up obtained with the VLA and ATCA radio telescopes down to a 6-cm flux limit of about 0.3 mJy (3-sigma) of all...
976 datasets found

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