========================================================================== IX/50 XMM-Newton Serendipitous Source Catalogue 3XMM-DR6 (XMM-SSC, 2016) The following files can be converted to FITS (extension .fit or fit.gz) xmm3r6s.dat summary.dat ========================================================================== Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=IX/50 ==========================================================================