AstroUtilitiesDeltaT Method

Returns the value of DeltaT (Terrestrial time minus Universal Time = TT-UT1) at the given Julian date.

Definition

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

C#

public static double DeltaT(
	double julianDateUTC
)

VB

Public Shared Function DeltaT ( 
	julianDateUTC As Double
) As Double

Parameters

julianDateUTC Double: Julian date for which the DeltaT value is required.

Return Value

Double
The number of seconds difference between terrestrial time and universal time.

Version Information

.NET Standard

Supported in: 2.0