# All Classes and Interfaces

Class
Description
JSOFA
Java implementation of Standards of Fundamental Astronomy.
JSOFA.Astrom
Star-independent astrometry parameters.
JSOFA.Calendar
Representation of Gregorian Calendar with fractional day.
JSOFA.CalendarHMS
Representation of Gregorian Calendar with integer hours minutes and seconds.
JSOFA.CatalogCoords
Typical catalogue coordinates.
JSOFA.CelestialIntermediatePole
The components x,y are components of the Celestial Intermediate Pole unit vector in the Geocentric Celestial Reference System.
JSOFA.EquatorialCoordinate
Position consisting of (ha, declination) pairs in radians.
JSOFA.EulerAngles
Euler Angles.
JSOFA.FrameBias
Frame bias components of IAU 2000 precession-nutation models.
JSOFA.FWPrecessionAngles
Precession angles, IAU 2006 (Fukushima-Williams 4-angle formulation).
JSOFA.GeodeticCoord
Geodetic coordinates.
JSOFA.HorizonCoordinate
Position consisting of (az, el) pairs in radians.
JSOFA.ICRFrame
The Celestial Intermediate Pole coordinates are the x,y components of the unit vector in the Geocentric Celestial Reference System.
JSOFA.JulianDate
Julian Date representation.
JSOFA.Ldbody
Body parameters for light deflection.
JSOFA.NormalizedVector
A normalized vector with r being the modulus and u[3] being the unit vector.
JSOFA.NutationTerms
Nutation Terms.
JSOFA.ObservedPosition
Observed Position.
JSOFA.ObservedPositionEO
Observed position with the equation of the origins.
JSOFA.PrecessionAngles
equinox based precession angles.
JSOFA.PrecessionDeltaTerms
Precession correction terms.
JSOFA.PrecessionNutation
Precession-nutation model.
JSOFA.PVModulus
Modulus of pv-vector.
JSOFA.RefCos
constants A and B in the atmospheric refraction model dZ = A tan Z + B tan^3 Z.
JSOFA.ReferenceEllipsoid
Reference Ellipsoid of Earth.
JSOFA.SphericalCoordinate
Position consisting of (α, δ) pairs in radians.
JSOFA.SphericalCoordinateEO
Spherical coordinate with equation of origins .
JSOFA.SphericalPosition
A position expressed in spherical polar coordinates.
JSOFA.SphericalPositionVelocity
A position and velocity expressed in spherical polar coordinates.
JSOFA.TangentPlaneCoordinate
Tangent Plane Position consisting of (xi, eta) pairs in radians.
JSOFA.TangentPointDirectionCosines
Tangent point soutions as direction cosines.
JSOFA.TangentPointSolution
Tangent point soulutions.
JSOFAException
Base class for JSOFA exceptions.
JSOFAFailedConvergenceException
Exception reporting some form of convergence failure in an algorithm.
JSOFAIllegalParameter
Various forms of illegal parameters are reported with this execption.
JSOFAInternalError
Exception signalling a internal error.