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Signal-To-Noise Calculation
When an extracted and co-added spectrum has been determined, the
signal-to-noise ratio is calculated, but only if it has a variance
array associated with it.
[_CALCULATE_SNR_]
Next: Division By Standard Star
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ORAC-DR -- spectroscopy data reduction
Starlink User Note 236
Paul Hirst
Brad Cavanagh
Joint Astronomy Centre, Hilo, Hawaii
October 2005
E-mail:ussc@star.rl.ac.uk
Copyright © 2005 Particle Physics and Astronomy Research Council