source: Sophya/trunk/Cosmo/SimLSS/constcosmo.h@ 3892

Last change on this file since 3892 was 3193, checked in by cmv, 19 years ago

petis changements cmv 21/03/2007
File size: 1.5 KB
Line 
1#ifndef CONSTCOSMO_SEEN
2#define CONSTCOSMO_SEEN
3
4static const double SpeedOfLight_Cst = 299792.458; // speed of light "km/sec"
5static const double G_Newton_Cst = 6.6742e-11; // G_N in SI units "m^3 / kg /s^2"
6static const double h_Planck_Cst = 6.6260693e-34; // Planck constant SI units "J s"
7static const double k_Boltzman_Cst = 1.3806503e-23; // Boltzman constant SI "J / K"
8// Sigma = 2*PI^5*K^4/(15.*C^2*H^3) = PI^2*K^4/(60.*Hbar^3*C2)
9static const double StefBoltz_Cst = 5.670400e-8; // constante de Stefan-Boltzman in "W/m^2/K^4"
10static const double Zeta_3_Cst = 1.2020569031595942854; // Zeta(3)
11
12static const double YeartoSec_Cst = 31556925.2; // 1 year into seconds
13static const double MpctoMeters_Cst = 3.0856e+22; // 1 Mpc into meters
14static const double LightYear_Cst = 9.46073042e+15; // 1 Light-Year into "m"
15static const double Jansky2Watt_cst = 1.e-26; // 1 Jansky into "Watt/m^2/Hz == J/m^2"
16static const double SolarMass_Cst = 1.98844e+33; // 1 Solar mass into "g"
17// GCm3toMsolMpc3_Cst = (MpctoMeters_Cst*100)^3 / SolarMass_Cst
18static const double GCm3toMsolMpc3_Cst = 1.477428208143872e+40; // 1 g/cm^3 into 1 Msol/Mpc^3
19static const double ProtonMass_Cst = 1.67262171e-24; // 1 "proton mass" in "g"
20static const double Deg2Rad_Cst = (M_PI/180.); // 1 deg into rad
21
22static const double T_CMB_Par = 2.725; // temperature du CMB en "K"
23static const double T_NU_Par = 1.9; // temperature des neutrinos en "K"
24static const double Fr_HyperFin_Par = 1.420405751786; // frequence de la raie hyperfine HI en "GHz"
25
26#endif
Note: See TracBrowser for help on using the repository browser.