LSSTApplications  18.1.0
LSSTDataManagementBasePackage
Magnitude.cc
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1 // -*- LSST-C++ -*-
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24 
25 #include "lsst/utils/Magnitude.h"
26 
27 namespace lsst {
28 namespace utils {
29 
30 double nanojanskyToABMagnitude(double flux) { return -2.5 * log10(flux / referenceFlux); }
31 
32 double ABMagnitudeToNanojansky(double magnitude) { return pow(10, magnitude / -2.5) * referenceFlux; }
33 
34 } // namespace utils
35 } // namespace lsst
A base class for image defects.
Utilities for converting between flux and magnitude in C++.
double nanojanskyToABMagnitude(double flux)
Convert a flux in nanojansky to AB magnitude.
Definition: Magnitude.cc:30
const double referenceFlux
The Oke & Gunn (1983) AB magnitude reference flux, in nJy (often approximated as 3631.0).
Definition: Magnitude.h:46
double ABMagnitudeToNanojansky(double magnitude)
Convert an AB magnitude to a flux in nanojansky.
Definition: Magnitude.cc:32