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/**
* \file GyotoThermalSynchrotronSpectrum.h
* \brief Thermal synchrotron spectrum
*
*/
/*
Copyright 2018 Frederic Vincent, Thibaut Paumard
This file is part of Gyoto.
Gyoto is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Gyoto is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Gyoto. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GyotoThermalSynchrotronSpectrum_H_
#define __GyotoThermalSynchrotronSpectrum_H_
#include "GyotoSpectrum.h"
#include <GyotoBlackBodySpectrum.h>
namespace Gyoto {
namespace Spectrum {
class ThermalSynchrotron;
}
}
/**
* \class Gyoto::Spectrum::ThermalSynchrotron
* \brief Thermal synchrotron spectrum
*
*
* Example XML entity:
* \code
* <Spectrum kind="ThermalSynchrotron">
* </Spectrum>
* \endcode
*
*/
class Gyoto::Spectrum::ThermalSynchrotron : public Gyoto::Spectrum::Generic {
friend class Gyoto::SmartPointer<Gyoto::Spectrum::ThermalSynchrotron>;
protected:
SmartPointer<Spectrum::BlackBody> spectrumBB_; ///< blackbody emission
double T_; ///< Temperature
double numberdensityCGS_; ///< Number density in CGS UNITS (careful)
double angle_B_pem_; ///< Angle between Bfield and emission direction (rad)
double cyclotron_freq_; ///< Cyclotron frequency (e*B / 2*pi*me*c)
bool angle_averaged_; ///< Boolean for angle averaging
double bessel_K2_; ///< Bessel K2 function
public:
GYOTO_OBJECT;
ThermalSynchrotron();
ThermalSynchrotron(const ThermalSynchrotron &);
virtual ThermalSynchrotron * clone() const; ///< Cloner
using Gyoto::Spectrum::Generic::operator();
/**
* This function returns the optically thick Inu
* which is not defined here, returns an error
*
* \param nu frequency in Hz
*/
virtual double operator()(double nu) const;
/**
* This function returns the optically thin increment
* to intensity dI_nu = j_nu*ds*exp(-alpha_nu*ds)
* in SI units
*
* \param nu frequency in Hz
* \param ds length element in SI (careful to this)
*/
#ifndef GYOTO_SWIGIMPORTED
virtual double operator()(double nu,double ,double ds) const;
#endif
// NB: the second argument, opacity in the Spectrum API
// is useless here
double temperature() const;
void temperature(double tt);
double numberdensityCGS() const;
void numberdensityCGS(double rho);
double angle_B_pem() const;
void angle_B_pem(double rho);
double cyclotron_freq() const;
void cyclotron_freq(double rho);
bool angle_averaged() const;
void angle_averaged(bool ang);
double besselK2() const;
void besselK2(double bessel);
/**
* Returns the emission coefficient j_nu in cgs units
* i.e. erg cm^-3 s^-1 ster^-1 Hz^-1
*
* \param nu frequency in Hz
*/
double jnuCGS(double nu) const;
/**
* Returns the absorption coefficient alpha_nu in cgs units [cm^-1]
*
* \param nu frequency in Hz
*/
double alphanuCGS(double nu) const;
/**
* Returns the emission and absorption coef in SI
*
*/
void radiativeQ(double jnu[], // output
double anu[], // output
double nu_ems[],
size_t nbnu
) ;
};
#endif
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