Star-independent astrometry parameters.
Representation of Gregorian Calendar with fractional day.
Representation of Gregorian Calendar with integer hours minutes and seconds.
Typical catalogue coordinates.
The components x,y are components of the Celestial Intermediate
Pole unit vector in the Geocentric Celestial Reference System.
Position consisting of (ha, declination) pairs in radians.
Frame bias components of IAU 2000 precession-nutation models.
Precession angles, IAU 2006 (Fukushima-Williams 4-angle formulation).
Position consisting of (az, el) pairs in radians.
The Celestial Intermediate Pole coordinates are the x,y
components of the unit vector in the Geocentric Celestial
Reference System.
Julian Date representation.
Body parameters for light deflection.
A normalized vector with r being the modulus and u[3] being the unit vector.
Observed position with the equation of the origins.
equinox based precession angles.
Precession-nutation model.
constants A and B in the atmospheric refraction model
dZ = A tan Z + B tan^3 Z.
Reference Ellipsoid of Earth.
Position consisting of (α, δ) pairs in radians.
Spherical coordinate with equation of origins .
A position expressed in spherical polar coordinates.
A position and velocity expressed in spherical polar coordinates.
Tangent Plane Position consisting of (xi, eta) pairs in radians.
Tangent point soutions as direction cosines.
Tangent point soulutions.
Base class for JSOFA exceptions.
Various forms of illegal parameters are reported with this execption.
Exception signalling a internal error.