Systematic uncertainties that contribute to the total uncertainty on the throughput measurements.
|Systematics||σ T /T|
|Ambient light in SCALA relative output (daytime clouds)||<0.5%|
|Ambient light in SCALA relative output (daytime clear)||<0.4%|
|Ambient light in nighttime CLAP data||<0.2%|
|Wavelength uncertainty on SCALA relative output||<0.021%|
|SCALA relative output stability||<0.7% λ < 4700 Å|
|<0.02% λ ≥ 4700 Å|
|Inhomogeneous color illumination of the entrance pupil||<0.09%|
|Stray light in 0.5° beam||<0.51%|
|CLAP integration over time error||<0.07%|
|Optical cross talk in SCALA||<0.05%|
|Optical cross talk in SNIFS||<0.1%|
|SCALA and SNIFS reproducibility||0.3% for λ ≥ 4000 Å|
|2% for λ< 4000 Å|
|CLAP calibration||0.74% for λ< 3400 Å|
|0.32% for 3400 <λ< 4700 Å|
|0.18% for λ ≥ 4700 Å|
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