Monte Carlo simulations show UTR sampling yields 3-4% observing time savings in H-band inter-line regions for GIRMOS but no SNR gain or degradation in K-band due to thermal shot noise, while cosmic ray rejection performs well under variable sky except over emission lines.
Nonlinearity corrections and statistical uncertainties associated with near-infrared arrays,
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Feasibility of up-the-ramp sampling under variable sky for ground-based spectrographs
Monte Carlo simulations show UTR sampling yields 3-4% observing time savings in H-band inter-line regions for GIRMOS but no SNR gain or degradation in K-band due to thermal shot noise, while cosmic ray rejection performs well under variable sky except over emission lines.