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CApphot:NetCountErr
Returns the value of the statistical uncertainty in the net count resulting from the photometry measurement. The value returned is the nNetCountErr class member set by the Measure method.
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nNetCountErr = CApphot:NetCountErr() |
nNetCountErr is the uncertainty of the net count
(see NetCount).
The Measure method saves the statistical uncertainty of the net count calculation into the nNetCountErr member of the class data structure. This method fetches the value of nNetCountErr. This value is calculated using the statistical uncertainty of the background sample as well as various instrumental parameters. In contrast, the NetCountErrT method returns a theoretical calculation of the uncertainty based on photon statistics rather than the noise measured in the background sample.
CApphot, Class Properties, Measure, NetCount, NetCountErrT
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