LSSTApplications  16.0-11-g09ed895+2,16.0-11-g12e47bd,16.0-11-g9bb73b2+6,16.0-12-g5c924a4+6,16.0-14-g9a974b3+1,16.0-15-g1417920+1,16.0-15-gdd5ca33+1,16.0-16-gf0259e2,16.0-17-g31abd91+7,16.0-17-g7d7456e+7,16.0-17-ga3d2e9f+13,16.0-18-ga4d4bcb+1,16.0-18-gd06566c+1,16.0-2-g0febb12+21,16.0-2-g9d5294e+69,16.0-2-ga8830df+6,16.0-20-g21842373+7,16.0-24-g3eae5ec,16.0-28-gfc9ea6c+4,16.0-29-ge8801f9,16.0-3-ge00e371+34,16.0-4-g18f3627+13,16.0-4-g5f3a788+20,16.0-4-ga3eb747+10,16.0-4-gabf74b7+29,16.0-4-gb13d127+6,16.0-49-g42e581f7+6,16.0-5-g27fb78a+7,16.0-5-g6a53317+34,16.0-5-gb3f8a4b+87,16.0-6-g9321be7+4,16.0-6-gcbc7b31+42,16.0-6-gf49912c+29,16.0-7-gd2eeba5+51,16.0-71-ge89f8615e,16.0-8-g21fd5fe+29,16.0-8-g3a9f023+20,16.0-8-g4734f7a+1,16.0-8-g5858431+3,16.0-9-gf5c1f43+8,master-gd73dc1d098+1,w.2019.01
LSSTDataManagementBasePackage
Namespaces | Functions | Variables
Magnitude.h File Reference

Utilities for converting between flux and magnitude in C++. More...

#include <cmath>

Go to the source code of this file.

Namespaces

 lsst
 A base class for image defects.
 
 lsst::utils
 

Functions

double lsst::utils::nanojanskyToABMagnitude (double flux)
 Convert a flux in nanojansky to AB magnitude. More...
 
double lsst::utils::ABMagnitudeToNanojansky (double magnitude)
 Convert an AB magnitude to a flux in nanojansky. More...
 

Variables

const double lsst::utils::referenceFlux = 1e23 * pow(10, (48.6 / -2.5)) * 1e9
 The Oke & Gunn (1983) AB magnitude reference flux, in nJy (often approximated as 3631.0). More...
 

Detailed Description

Utilities for converting between flux and magnitude in C++.

Use astropy.units ABmag and nJy for converstions in python:

import astropy.units as u
mag = (flux*u.nJy).to_value(u.ABmag)
flux = (mag*u.ABmag).to_value(u.nJy)

Definition in file Magnitude.h.