WARNING!
THE EXPOSURE CALCULATOR IS STILL UNDER DEVELOPMENT!
HET HRS Exposure Time Calculator
Version 1.0
This version uses new throughput measurements
and CCD statistics
The calculator can compute the S/N for a given exposure time or the
exposure time for a given S/N.
Click on button to change device setting, on device name for HELP.
Matthew Shetrone - shetrone@astro.as.utexas.edu