REVEALING THE HEART OF THE VERY BRIGHT BLS1 ESO 141-G55

ESO 141G55 is a nearby, very Xray bright, BLS1, with little or nointervening Xray neutral/warm absorption. As such, it is a perfect AGNfor a clean, unimpeded view into the innermost core of the nucleus: thedisccorona system. We propose its first simultaneous NuSTAR (110 ks)and XMMNewton (110 ks) observation. This joint broadband campaignwill provide an unprecedented, comprehensive view of this AGN: probingits disccorona characteristics, its SMBH spin, and its spectral energydistribution.