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. 2021 Feb 18;217(2):29. doi: 10.1007/s11214-021-00795-x

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© The Author(s) 2021

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Fig. 17 — Measurement of the observed electronic smear for a bias frame taken during stray light testing. The bright source signal is masked for clarity. Two forms of signal are observed. First is a weak ∼0.2% signal from long-wavelength photon leakage through the vertical transfer lines. The second, which generates the masked bright source signal, results from the non-zero readout time of the array (see text for details)