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Table 4.

Parameters for the ZIMPOL imaging and polarimetric detector modes.

Parameter Unit Imaging Polarimetry
Fast Slow
min. DIT s 1.1 1.1 10
Transfer time tft ms 56 56 74
max. frame rate Hz 0.86 0.86 0.1
Read out freq. kpix s−1 625 625 100
Pixel gain e ADU−1 10.5 10.5 1.5
Read out noise e pix−1 20 20 3
Well depth ke pix−1 670 670 100
Dark current e (s pix)−1 0.2 0.2 0.015
Bias level ct pix−1 ≈1000 ≈1000 ≈1000
Polarimetry
mod. freq. νmod Hz 967.5 26.97
Row shift time μs 54.7 72.3

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