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LSST Data Management Base Package
Magnitude.h
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1// -*- LSST-C++ -*-
2/*
3 * This file is part of utils.
4 *
5 * Developed for the LSST Data Management System.
6 * This product includes software developed by the LSST Project
7 * (https://www.lsst.org).
8 * See the COPYRIGHT file at the top-level directory of this distribution
9 * for details of code ownership.
10 *
11 * This program is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation, either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <https://www.gnu.org/licenses/>.
23 */
24
37#ifndef LSST_CPPUTILS_MAGNITUDE_H
38#define LSST_CPPUTILS_MAGNITUDE_H
39
40#include <cmath>
41
42namespace lsst {
43namespace cpputils {
44
46const double referenceFlux = 1e23 * pow(10, (48.6 / -2.5)) * 1e9;
47
49double nanojanskyToABMagnitude(double flux);
50
52double ABMagnitudeToNanojansky(double magnitude);
53
54} // namespace cpputils
55namespace utils = cpputils;
56} // namespace lsst
57
58#endif // LSST_CPPUTILS_MAGNITUDE_H
const double referenceFlux
The Oke & Gunn (1983) AB magnitude reference flux, in nJy (often approximated as 3631....
Definition: Magnitude.h:46
double ABMagnitudeToNanojansky(double magnitude)
Convert an AB magnitude to a flux in nanojansky.
Definition: Magnitude.cc:32
double nanojanskyToABMagnitude(double flux)
Convert a flux in nanojansky to AB magnitude.
Definition: Magnitude.cc:30
A base class for image defects.
T pow(T... args)