ASCOM Library
SofaApcg Method
Prepare star-independent astrometry parameters using observer EBPV and Sun vector.
Definition
Namespace: ASCOM.Tools
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea
Assembly: ASCOM.AstrometryTools (in ASCOM.AstrometryTools.dll) Version: 3.0.0-rc.1+86c25ce733aebb4d8b1b8a62e84770ea5e972bea
C#
public static void Apcg(
double date1,
double date2,
double[] ebpv,
double[] ehp,
ref SofaAstrom astrom
)VB
Public Shared Sub Apcg (
date1 As Double,
date2 As Double,
ebpv As Double(),
ehp As Double(),
ByRef astrom As SofaAstrom
)Parameters
- date1 Double
- TDB as a 2-part Julian Date (part 1).
- date2 Double
- TDB as a 2-part Julian Date (part 2).
- ebpv Double
- Earth barycentric position/velocity (length 6).
- ehp Double
- Earth heliocentric position (length 3).
- astrom SofaAstrom
- Returned star-independent astrometry parameters.
Exceptions
| ArgumentNullException | Thrown if any array parameter is null. |
| ArgumentException | Thrown if any array parameter has incorrect length. |