NovasBary2Obs Method

public static void Bary2Obs(
	double[] Pos,
	double[] PosObs,
	ref double[] Pos2,
	ref double Lighttime
)

Public Shared Sub Bary2Obs ( 
	Pos As Double(),
	PosObs As Double(),
	ByRef Pos2 As Double(),
	ByRef Lighttime As Double
)

Parameters

Pos  Double

Position vector, referred to origin at solar system barycenter, components in AU.

PosObs  Double

Position vector of observer (or the geocenter), with respect to origin at solar system barycenter, components in AU.

Pos2  Double

Position vector, referred to origin at center of mass of the Earth, components in AU.

Lighttime  Double

Light time from object to Earth in days.

Reference