The ROSAT Results Archive ( RRA ) has been produced by the five participating ROSAT institutions: Max-Planck-Institut f?r Extraterrestrische Physik (MPE), Goddard Space Flight Center (GSFC), Smithsonian Astrophysical Observatory (SAO), Leicester University (LU), Astrophysikalisches Institut Potsdam (AIP). ... The RRA is based on, and is part of, the ROSAT Data Archive (RDA). ... A HRI RRA Page and PSPC RRA Page have further details and the most recent information. rsdc@cfa.harvard.edu . ...