Locating the reflecting regions in the archetypal Compton-thick Sy2 NGC1068

We propose four, logarithmically spaced, 50 ks XMMNewton observations of theSeyfert galaxy NGC1068, the archetypal and one of the brightest ComptonthickSeyfert 2. This source is likely accreting at a high rate, so it is expected tobe intrinsically highly variable. Previous works have indeed claimed bothspectral and continuum variability, although between observations performed withdifferent spectrometers and satellites. The four proposed observations willpermit to search for variations of the reflected components on time scalesspanning from a week to half a year and, when compared with previous XMMNewtonobservations, up to several years. This program will allow us to bothunambiguously confirm previous claims of such variations and tightly constrain truncated!, Please see actual data for full text [truncated!, Please see actual data for full text]