source: Sophya/trunk/Cosmo/SimLSS/constcosmo.h@ 3115

Last change on this file since 3115 was 3115, checked in by ansari, 19 years ago

Creation initiale du groupe Cosmo avec le repertoire SimLSS de
simulation de distribution de masse 3D des galaxies par CMV+Rz
18/12/2006

File size: 1.4 KB
Line 
1#ifndef CONSTCOSMO_SEEN
2#define CONSTCOSMO_SEEN
3
4static const double MpctoMeters_Cst = 3.0856e+22; // Mpc in meters
5static const double YeartoSec_Cst = 31556925.2; // seconds in a year
6static const double SpeedOfLight_Cst = 299792.458; // speed of light "km/sec"
7static const double LightYear_Cst = 9.46073042e+15; // 1 Light-Year in "m"
8static const double G_Newton_Cst = 6.6742e-11; // G_N in SI units "m^3 / kg /s^2"
9static const double h_Planck_Cst = 6.6260693e-34; // Planck constant SI units "J s"
10static const double k_Boltzman_Cst = 1.3806503e-23; // Boltzman constant SI "J / K"
11static const double ProtonMass_Cst = 1.67262171e-24; // Proton mass in "g"
12static const double SolarMass_Cst = 1.98844e+33; // Proton mass in "g"
13// Sigma = 2*PI^5*K^4/(15.*C^2*H^3) = PI^2*K^4/(60.*Hbar^3*C2)
14static const double StefBoltz_Cst = 5.670400e-8; // constante de Stefan-Boltzman in "W/m^2/K^4"
15static const double Zeta_3_Cst = 1.2020569031595942854; // Zeta(3)
16
17static const double Jansky2Watt_cst = 1.e-26; // conversion Jansky to "Watt/m^2/Hz == J/m^2"
18static const double Deg2Rad_Cst = (M_PI/180.); // conversion deg to rad
19
20static const double T_CMB_Par = 2.725; // temperature du CMB en "K"
21static const double T_NU_Par = 1.9; // temperature des neutrinos en "K"
22static const double Fr_HyperFin_Par = 1.4204; // frequence de la raie hyperfine HI en "GHz"
23
24#endif
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