Corrects a vector in the ITRF (rotating Earth-fixed system) for polar motion, and also corrects the longitude origin (by a tiny amount) to the Terrestrial Intermediate Origin (TIO).

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.1.1.2619)

Syntax

C#
public void Wobble(
	double Tjd,
	double x,
	double y,
	double[] Pos1,
	ref double[] Pos2
)
Visual Basic
Public Sub Wobble ( _
	Tjd As Double, _
	x As Double, _
	y As Double, _
	Pos1 As Double(), _
	ByRef Pos2 As Double() _
)
Visual C++
public:
virtual void Wobble(
	double Tjd, 
	double x, 
	double y, 
	array<double>^ Pos1, 
	array<double>^% Pos2
) sealed

Parameters

Tjd
Type: System..::..Double
TT or UT1 Julian date.
x
Type: System..::..Double
Conventionally-defined X coordinate of Celestial Intermediate Pole with respect to ITRF pole, in arcseconds.
y
Type: System..::..Double
Conventionally-defined Y coordinate of Celestial Intermediate Pole with respect to ITRF pole, in arcseconds.
Pos1
Type: array<System..::..Double>[]()[][]
Position vector, geocentric equatorial rectangular coordinates, referred to ITRF axes.
Pos2
Type: array<System..::..Double>[]()[][]%
Position vector, geocentric equatorial rectangular coordinates, referred to true equator and TIO.

Remarks