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Table 1

Predictions for the signal detection

Plate scale
R star 0.1′′/pix 0.15′′/pix 0.2′′/pix 0.5′′/pix

2.5 mas N.V. N.V. N.V. N.V.
5 mas 2% 1.3% N.V. N.V.
10 mas 4% 2.6% 2% N.V.
15 mas 6% 4% 3% 1.2%

Notes. Signal detection predictions, giving the photocentre displacement in percentage of a pixel. Any displacement below 1% is accounted as not visible (N.V.)

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