Space Telescope Science Institute   5.4 Neutral-Density Filters  6.1 Overview

Chapter 6:
Exposure Time Calculations


In this chapter. . .
Overview
Determining Count Rates from Sensitivities
Throughput and Sensitivity
Computing Exposure Times
Detector and Sky Backgrounds
Extinction Correction
Exposure Time Examples
Tabular Sky Backgrounds


 5.4 Neutral-Density Filters  6.1 Overview
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