histastro.constants module
Definition of constants for HistAstro.
- histastro.constants.AU = 149597870.7
Astronomical unit in km
- histastro.constants.as2r = 4.84813681109536e-06
Arcseconds to radians
- histastro.constants.d2r = 0.017453292519943295
Degrees to radians
- histastro.constants.earthRad = 6378.1366
Earth radius in km
- histastro.constants.h2r = 0.2617993877991494
Hours to radians
- histastro.constants.jd1820 = 2385801
JD in 1820 (for Delta-T fit)
- histastro.constants.jd1900 = 2415021
JD in 1900
- histastro.constants.jd2000 = 2451545
JD in 2000.0
- histastro.constants.mas2r = 4.84813681109536e-09
Milliarcseconds to radians
- histastro.constants.moonRad = 1737.5
Moon radius in km
- histastro.constants.pi = 3.141592653589793
pi
- histastro.constants.pi2 = 6.283185307179586
2 pi
- histastro.constants.pio2 = 1.5707963267948966
pi/2
- histastro.constants.r2d = 57.29577951308232
Radians to degrees