LogN-logS: completeness of source detection on ensemble of simulated X-ray sky images

Figure 5.1: LogN-logS curve showing the sensitivity or completeness of source detection on an ensemble of simulated X-ray sky images. The red dashed line shows the initial distribution of the sources which were used to construct the images; the black line shows the distribution of the reliably detected sources (see the text for a description of how the fraction of reliable detections was estimated).

The relative excess of detections at about 0.01 counts/s and the deficit above 0.03 are both statistical in nature and therefore not of significance.