Time scale transformation: Terrestrial Time, TT, to International Atomic Time, TAI.

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

Syntax

C#
public int TtTai(
	double tt1,
	double tt2,
	ref double tai1,
	ref double tai2
)
Visual Basic
Public Function TtTai ( _
	tt1 As Double, _
	tt2 As Double, _
	ByRef tai1 As Double, _
	ByRef tai2 As Double _
) As Integer
Visual C++
public:
virtual int TtTai(
	double tt1, 
	double tt2, 
	double% tai1, 
	double% tai2
) sealed

Parameters

tt1
Type: System..::..Double
TT as a 2-part Julian Date
tt2
Type: System..::..Double
TT as a 2-part Julian Date
tai1
Type: System..::..Double%
TAI as a 2-part Julian Date
tai2
Type: System..::..Double%
TAI as a 2-part Julian Date

Return Value

Status: 0 = OK

Remarks

Note
  1. tt1+tt2 is Julian Date, apportioned in any convenient way between the two arguments, for example where tt1 is the Julian Day Number and tt2 is the fraction of a day. The returned tai1,tai2 follow suit.

See Also