SofaStarpv Method

Spherical polar coordinates to position-velocity vector.

Definition

Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea

C#

public static int Starpv(
	double ra,
	double dec,
	double pmr,
	double pmd,
	double px,
	double rv,
	double[] pv
)

VB

Public Shared Function Starpv ( 
	ra As Double,
	dec As Double,
	pmr As Double,
	pmd As Double,
	px As Double,
	rv As Double,
	pv As Double()
) As Integer

Parameters

ra Double: Right ascension (radians).
dec Double: Declination (radians).
pmr Double: Proper motion in RA (radians/year).
pmd Double: Proper motion in Dec (radians/year).
px Double: Parallax (arcsec).
rv Double: Radial velocity (km/s).
pv Double: Returned position-velocity vector (length 6).

Return Value

Int32
Status code: 0 = OK, <0 indicates an error condition.

Exceptions

ArgumentNullException	Thrown if any array parameter is null.
ArgumentException	Thrown if any array parameter has incorrect length.

Version Information

.NET Standard

Supported in: 2.0