eregionanalyse imageset=emosimagedet.ds srcexp="(DETX,DETY) in CIRCLE(639,-769,1200)"
backexp="(DETX,DETY) in CIRCLE(11400,-700,1200)"
This will set the parameters, xcentroid and ycentroid, to be the centre of the counts distribution within the source box; the optimum radius from the source and background count distribution and the number of counts in the source box. The screen output will be like that shown in section 3.3.
