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Fig. A.2.

Fig. A.2. Refer to the following caption and surrounding text.

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Top: Snapshot from a non-moving hot spot, using a higher resolution of 1024x1024 pixels, to resolve the third image. Middle: Zoomed-in view of the third image. Bottom: ΔPAn(0 − 1) measurement from the first to the second image, and ΔPAn(1 − 2) from the second to the third. The dash-point line denotes the theoretical expectation δPA(n → ∞).

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