Applies proper motion, including foreshortening effects, to a star's position.

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

Syntax

C#
public void ProperMotion(
	double tjd1,
	double[] pos,
	double[] vel,
	double tjd2,
	ref double[] pos2
)
Visual Basic
Public Sub ProperMotion ( _
	tjd1 As Double, _
	pos As Double(), _
	vel As Double(), _
	tjd2 As Double, _
	ByRef pos2 As Double() _
)
Visual C++
public:
virtual void ProperMotion(
	double tjd1, 
	array<double>^ pos, 
	array<double>^ vel, 
	double tjd2, 
	array<double>^% pos2
) sealed

Parameters

tjd1
Type: System..::..Double
TDB Julian date of first epoch.
pos
Type: array<System..::..Double>[]()[][]
Position vector at first epoch.
vel
Type: array<System..::..Double>[]()[][]
Velocity vector at first epoch.
tjd2
Type: System..::..Double
TDB Julian date of second epoch.
pos2
Type: array<System..::..Double>[]()[][]%
OUT: Position vector at second epoch.

Remarks