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Table 1.

Spatial resolution around 6300Å and pixel size for three optical solar imaging spectrographs and for the synthetic degraded Stokes cubes used in this study (Kosugi et al. 2007; Volkmer et al. 2010; Tritschler et al. 2016).

Resolution, km Pixel size, km
Hinode/SOT 190 180
Gregor/GFPI 63 26
DKIST/ViSP 50 ?
Synthetic data 100 50

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