Source code for kai.constants

[docs]sigma = 5.670400e-5  # erg cm^-2 s^-1 K^-4 (stefan-boltzman constant in )


[docs]Lsun = 3.839e33 # erg s^-1


[docs]Rsun = 0.004652 # AU


[docs]Msun = 1.98892e30 # kg


[docs]gsun = 2.740e4 # cm s^-2  surface gravity


[docs]G = 6.6726e-8 # gravitational constant cm^3 g^-1 s^-2


[docs]c = 299792.458 # speed of light in km/s


[docs]cm_in_AU = 149.60e11 # cm


[docs]cm_in_pc = 3.086e18 # cm


[docs]AU_in_pc = 206264.806


[docs]sec_in_yr = 3.1557e7