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: http://www.mrao.cam.ac.uk/~bn204/devman/dust/pahprops_8c.html
Дата изменения: Fri Jul 11 10:32:07 2008 Дата индексирования: Tue Oct 2 10:42:41 2012 Кодировка: Поисковые слова: m 15 |
#include "pahprops.h"
#include <gsl/gsl_math.h>
Functions | |
double | bndust_PAHNctoHc (double Nc) |
double | bndust_PAHatoNC (double a) |
double | bndust_PAHatoHc (double a) |
void | dust_CPAHDrudes (double a, dust_ionisation state, dust_pahenhancements *e, dust_pahprofiles res) |
double | bndust_PAHCutoff (double lambda, double a, dust_ionisation state) |
The cutoff of PAH absorption. See Eq A2 and A3 of the Li & Draine paper. | |
Variables | |
dust_drudeprofs | dust_DL_pahs_neutral [14] |
dust_drudeprofs | dust_DL_pahs_ionised [14] |
double bndust_PAHatoHc | ( | double | a | ) |
Returns the H/C ratio given a grain radius (calls bndust_PAHNctoHc).
References bndust_PAHatoNC(), and bndust_PAHNctoHc().
Referenced by dust_CPAHDrudes(), and dust_nCHmodes().
double bndust_PAHatoNC | ( | double | a | ) |
Returns the number of carbon atoms in a grain of radius a (a in in metres).
note a must be metres
Referenced by bndust_PAHatoHc(), bndust_PAHCutoff(), dust_nCCIPmodes(), dust_nCCOPmodes(), and Dust::GenPAHCC::GenPAHCC().
double bndust_PAHNctoHc | ( | double | Nc | ) |
Returns an approximate ratio of number of hydrogren atoms to carbon atoms given the number of carbon atoms. See eq 4 of 2001ApJ...554..778L
Referenced by bndust_PAHatoHc().
void dust_CPAHDrudes | ( | double | a, | |
dust_ionisation | state, | |||
dust_pahenhancements * | e, | |||
dust_pahprofiles | res | |||
) |
Calculate the appropriate drude profiles for a particular PAH. a is the grain radius
References bndust_PAHatoHc(), dust_pahenhancements::E62, dust_pahenhancements::E77, dust_pahenhancements::E86, dust_drudeprofs::gamma, dust_drudeprofs::sigma, and dust_drudeprofs::wavel.
dust_drudeprofs dust_DL_pahs_ionised[14] |
Initial value:
{ { .0722 , 0.195, 7.97e7 }, {.2175 , 0.217 , 1.23e7 }, { 3.3 , 0.012, 44.7 }, {6.2 , 0.032, 157 }, {7.7 , 0.091, 548 }, {8.6 , 0.047, 242 }, {11.3 , 0.018, 400 }, {11.9 , 0.025, 61.4 }, {12.7 , 0.024, 149 }, {16.4 , 0.010, 5.52 }, {18.3 , 0.036, 6.04 }, {21.2 , 0.038, 10.8 }, {23.1 , 0.046, 2.78 }, {26.0 , 0.69 , 15.2 } }
Initial value:
{ { .0722 , 0.195, 7.97e7}, {.2175 , 0.217 , 1.23e7}, { 3.3 , 0.012, 197 }, {6.2 , 0.032, 19.6 }, {7.7 , 0.091, 60.9 }, {8.6 , 0.047, 34.7 }, {11.3 , 0.018, 427 }, {11.9 , 0.025, 72.7 }, {12.7 , 0.024, 167 }, {16.4 , 0.010, 5.52 }, {18.3 , 0.036, 6.04 }, {21.2 , 0.038, 10.8 }, {23.1 , 0.046, 2.78}, {26.0 , 0.69 , 15.2 } }