Constants#
Module that provides global constants.
- xvamp.constants.AVOGADRO = <Quantity 6.02214076e+23 1 / mol>#
Avogadro constant [1/mol]
- xvamp.constants.BOLTZMANN = <Quantity 1.380649e-23 J / K>#
Boltzmann constant [J/K]
- xvamp.constants.ESU_CM = Unit("Fr cm")#
Unit [esu cm = 1e18 D]
- xvamp.constants.E_CHARGE = <Quantity -1.60217663e-19 C>#
(Negative) electron charge [C]
- xvamp.constants.E_MASS = <Quantity 9.1093837e-31 kg>#
Electron mass [kg]
- xvamp.constants.FREE_SPACE_PERM = <Quantity 8.85418782e-12 F / m>#
Free space permittivity [F/m]
- xvamp.constants.GAS_CONSTANT = <Quantity 8.31446262 m2 kg / (K mol s2)>#
Gas constant [J / K mol]
- xvamp.constants.G_PER_MOL = Unit("g / mol")#
Unit [g/mol]
- xvamp.constants.HEADERPATTERN = re.compile('(.+) \\[(.*)\\]')#
File header regex pattern to extract column name and unit
- xvamp.constants.PLANCK = <Quantity 6.62607015e-34 J s>#
Planck constant [J s]
- xvamp.constants.SPEC_MOL_M = {'AR': <Quantity 39.948 g / mol>, 'CO': <Quantity 28.0101 g / mol>, 'CO2': <Quantity 44.0095 g / mol>, 'H2O': <Quantity 18.01524 g / mol>, 'H2SO4': <Quantity 98.0785 g / mol>, 'N2': <Quantity 28.0134 g / mol>, 'OCS': <Quantity 60.0751 g / mol>, 'SO2': <Quantity 64.0638 g / mol>}#
Species molar masses [g/mol]
- xvamp.constants.SPEED_OF_LIGHT = <Quantity 2.99792458e+08 m / s>#
Speed of light in vacuum [m/s]
- xvamp.constants.VENUS_GRAV_PARAM = <Quantity 3.24859e+14 m3 / s2>#
Venus gravitational parameter [m^3/s^2]
- xvamp.constants.VENUS_RADIUS = <Quantity 6051800. m>#
Venus radius [m]
- xvamp.constants.VISAR_FREQUENCY = <Quantity 7.9e+09 Hz>#
Nominal VISAR radar frequency [Hz]
- xvamp.constants.VISAR_WAVELENGTH = <Quantity 0.03794841 m>#
Nominal VISAR radar wavelength [m]