import math dnucs133hfs = 9192631770 # ?: (genauer ??(133Cs)hfs) Casiumfrequenz, exakt 9192631770 Hz, die Frequenz der Strahlung beim ?bergang zwischen den beiden Hyperfeinstrukturniveaus des Grundzustandes von Atomen des Nuklids 133Cs. CLIGHT = 29979245800 # : Lichtgeschwindigkeit im Vakuum, exakt 299792458 Meter/Sekunde PLANCK = 6.62606957e-27 # h: Planck'sches Wirkungsquantum, exakt 6,62606957 * 10-34 Joule?Sekunde ECHARGE = 1.602176565e-19 * CLIGHT / 10 # e: Elementarladung, exakt 1,602176565 * 10-19 Coulomb, KB = 1.3806488e-16 # k : Boltzmann-Konstante, exakt 1,3806488 * 10-23 Joule/Kelvin, NA = 6.02214129e23 # NA: Avogadro-Konstante, exakt 6,02214129 * 10+23 1/mol KCD = 683 # Kcd: Lichtausbeute, exakt 683 Lumen/Watt bei monochromatischer Strahlung mit 540 * 1012 Hertz SEC = 31556926. PI = 4 * math.atan(1.) XMSUN = 1.9891e33 XLSUN = 3.84e33 RSUN = 6.98e10 GRAV = 6.67259e-8 SB = 5.67051e-5 # KB = 1.380658e-16 # PLANCK = 6.6260755e-27 HBAR = 1.05457266e-27 # CLIGHT = 29979245888e0 PC = 3.08567756706e18 AU = 1.4959787e13 ECHARGE = 4.8032067993e-10 ME = 9.1093897e-28 EV = 1.60217733e-12 MEV = EV * 1.e6 RK = 83145112.1195e0 ARAD = 7.56591414985e-15 # NA = 6.0221367e23 AMU = 1.6605402e-24 DAY = 86400.0e0 BARN = 1.e-24 SIGT = 8 * PI / 3 * (ECHARGE**2 / (ME * CLIGHT**2))**2 class Kepler: """ Physics constants as used with KEPLER """ solmass = 1.9892e+33 gee = 6.670e-8 n0 = 6.02254e+23 sigt = 6.65205e-25 k = 1.38054e-16 a = 7.5648e-15 me = 9.10908e-28 h = 6.62559e-27 c = 2.997925e+10 pie = 3.1415926536e+0 solmassi = 1 / solmass solrad = 6.9599e+10 solradi = 1 / solrad penmex = 0.782333098e0 # (m_n-m_p-m_e)*c**2 [MeV] year = 3.1558e+7 pie43 = pie * 4 / 3 rk = k * n0 sb = a * c / 4