Space Telescope Science Institute   9.3.2 Exposure Time Estimates for Red Targets in F850LP  9.4.1 Detector Backgrounds

9.4 Detector and Sky Backgrounds


When calculating expected signal-to-noise ratios or exposure times, the background from the sky, and the background from the detector must be taken into account.


 9.3.2 Exposure Time Estimates for Red Targets in F850LP  9.4.1 Detector Backgrounds
Space Telescope Science Institute
http://www.stsci.edu
Voice: (410) 338-1082
help@stsci.edu