... These are images of the inner region of the globular cluster 47Tuc (NGC 104). ... astrometry, with precision at the level of 5 to 20 mas, for the same image of 47Tuc ... We have used our 47Tuc images, and performed the photometry. ...
... 1: ( l to r ) Raw and processed (using the pipeline) WFI images 47Tuc; an example of WFI fringing and the corrective fringing ... Figure 2: Colour-magnitude diagrams obtained from the automatic photometric analysis of WFI 47Tuc images. ...
... to two well-sampled low-Strehl images of the globular cluster 47Tuc, observed at the ESO 3.6m telescope with the ADONIS AO ... 47Tuc: c) off-centering between corresponding stars in the two images, d) magnitude difference. ...