Initial radiometric calibration of the HRIEUV telescope of the EUI instrument on board Solar Orbiter

Solar Orbiter First Results (Nominal Mission Phase)

Open Access

Fig. 19.

Single integration time image PTC estimation of the LG with EUV beam light. The linear fit (red line) gives a photon to DN LG value of 0.279 DN.ph⁻¹. Pixels located to the pattern above the linear regression blue line undergo the ‘ripple effect’.

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