SMART-X,"SquareMeter,ArcsecondResolutionX-rayTelescope"

SMART-Xisamissionconceptfora2.3m 2 eectivearea, 0.5 uu angularresolutionX-raytelescope,with5 u FOV,1 uu pixel sizemicrocalorimeter, 22 u FOVimager,andhigh-throughput gratings. 1.OVERVIEW WedescribetheSquareMeterArcsecondResolutionX-ray Telescope—SMART-X. isconceptleveragesanemerging adjustableopticstechnologytobuildamissionmorescienticallyambitious thentheInternationX-rayObservatory, butmoreeciently. Our SMART-Xconceptincludessubstantialsimplica tionsandcostreductionsrelativetoIXO— shorterfocallengtheliminatingtheextendableopticalbench andreducingmassandstructuralcomplexity,fewerscience instruments,andstreamlinedoperations—andinthis,itis similartomanymodicationstotheIXO studiedinthelast