Name of input image dataset true Name of exposure map Right Ascencion of source region centre (degrees) true Declination of source region centre (degrees) true Radius of source region centre (degrees) true Right Ascencion of background region centre (degrees) true Declination of background region centre (degrees) true Inner radius of background region centre (degrees) true Outer radius of background region centre (degrees) true Significance for upper limit calculation true Take the encircled energy factor from the command line param eef Fraction of counts enclosed within the source radius Write output to a file rather than the screen Name of output text file Show details of the calculation ?