Provides fast evaluation of the nutation components according to the 1980 IAU Theory of Nutation.

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

Syntax

C#
public static short NutationAngles(
	double tdbtime,
	ref double longnutation,
	ref double obliqnutation
)
Visual Basic
Public Shared Function NutationAngles ( _
	tdbtime As Double, _
	ByRef longnutation As Double, _
	ByRef obliqnutation As Double _
) As Short
Visual C++
public:
static short NutationAngles(
	double tdbtime, 
	double% longnutation, 
	double% obliqnutation
)

Parameters

tdbtime
Type: System..::..Double
TDB time in Julian centuries since J2000.0
longnutation
Type: System..::..Double%
OUT: Nutation in longitude in arcseconds.
obliqnutation
Type: System..::..Double%
OUT: Nutation in obliquity in arcseconds.

Return Value

0...Everything OK.

Remarks