Fig. 1. Sketch map of EMI VIS1 band observation

Fig. 2. Slit function of different sub-windows in UV and VIS bands as a function of row

Fig. 3. Irradiance wavelength shift of different sub-windows in the spectral range of 312~356 nm as a function of row

Fig. 4. Radiance wavelength shift of 12 consecutive orbits measured by UV2 and VIS1 band on 4 August, 2018

Fig. 5. The irradiance spectra measured by EMI, OMI and TROPOMI on 12 July, 2018. The black line is a reference solar irradiance from and convolved with the EMI FWHM

Fig. 6. Mean radiance of nadir pixelin the clean Pacific region measured on 4 August, 2018

Fig. 7. Irradiance row dependence relative to nadir measured on 12 July, 2018

Fig. 8. (a), (c) The normalized measured radiance and the corresponding simulated radiance as a function of row; (b), (d) The ratio of the measured radiance and the simulated radiance and the radiance row dependency