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Fig. 14.
Typical instantaneous injected flux histograms for the GRAVITY fringe tracker for STRAP and NAOMI, in median seeing conditions. The P5%/P95% metric, ratio of the injected fluxes at 5% and 95%, is derived from these histograms. STRAP at P5%/P95% = 0.22 has significantly more events at low flux than NAOMI at P5%/P95% = 0.58.
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