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specgroup (specgroup-1.6) [xmmsas_20160201_1833-15.0.0]

Minimum signal-to-noise ratio Statistical grouping Copy from a template Home Index

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Minimum ratio above background

Defines groups where each one contains a minimum ratio of the source signal to the background counts:


\begin{displaymath} ratio = ( source - background * areanorm ) / ( background * areanorm ) \end{displaymath} (2)


XMM-Newton SOC/SSC -- 2016-02-01