constants.py

#!/usr/bin/env python
'''
Name  : Constants, constants.py
Author: Nickalas Reynolds
Date  : Fall 2017
Misc  : File for handling miscellaneous constants
'''

class constants:
    # %&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&
    # CGS PHYSICAL CONSTANTS
    # %&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&
    c    = 2.99792458e10       # speed of light CGS
    h    = 6.6260755e-27       # Planck's constant CGS
    g    = 6.67259e-8          # Grav const CGS
    kb   = 1.380658e-16        # Boltzmann's const CGS
    a    = 7.56591e-15         # Radiation constant CGS
    sb   = 5.67051e-5          # sigma (stefan-boltzmann const) CGS
    qe   = 4.803206e-10        # Charge of electron CGS
    ev   = 1.60217733e-12      # Electron volt CGS
    na   = 6.0221367e23        # Avagadro's Number
    me   = 9.1093897e-28       # electron mass CGS
    mp   = 1.6726231e-24       # proton mass CGS
    mn   = 1.674929e-24        # neutron mass CGS
    mh   = 1.673534e-24        # hydrogen mass CGS
    amu  = 1.6605402e-24       # atomic mass unit CGS
    pi   = 3.141592653589793238
    hour = 3.6e3               # s
    day  = 8.64e4              # s
    year = 3.1557600e7         # s

    # %&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&
    # ASTRONOMICAL CONSTANTS
    # %&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&%&
    # GENERAL
    au     = 1.496e13            # astronomical unit CGS
    pc     = 3.0857e18           # parsec CGS
    yr     = 3.155815e7          # sidereal year CGS
    ms     = 1.98900e+33         # solar mass CGS
    rs     = 6.9599e10           # sun's radius CGS
    ls     = 3.839e33            # sun's luminosity CGS
    mm     = 7.35000e+25         # moon mass CGS
    mer    = 5.97400e+27         # earth mass CGS
    rer    = 6.378e8             # earth's radius CGS
    medd   = 3.60271e+34         # Eddington mass CGS
    mj     = 1.89813e30          # Jupiter mass CGS
    ts     = 5.78e3              # K
    arcsec = 4.84813681e-6       # radians

    # RADIO SPECIFIC
    jy            = 1.e-23         # Jansky CGS
    restfreq_hi   = 1420405751.786 # 21cm transition (Hz)
    restfreq_co   = 115271201800.  # CO J=1-0 (Hz)
    cm2perkkms_hi = 1.823e18       # HI column per intensity (thin)

if __name__ == "__main__":
    print('Testing module')