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Table 5

Astrometric calibration of VLT/NACO.

Object JD – 2 456 000 Pixel scale PAa
[ days ] [mas/pixel] [deg]

47 Tuc 264.62525 13.265 ± 0.041 +0.60 ± 0.31

Notes. All data from Ks-band images.


PA is measured from N over E to S.

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