Space Telescope Science Institute   9.2.2 Spectroscopy  9.3.1 Calculating Exposure Times for a Given Signal-to-Noise

9.3 Computing Exposure Times


To derive the exposure time to achieve a given signal-to-noise ratio, or to derive the signal-to-noise ratio in a given exposure time, there are four principal ingredients:


 9.2.2 Spectroscopy  9.3.1 Calculating Exposure Times for a Given Signal-to-Noise
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