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NOVAS31VirtualStar Method
Computes the virtual place of a star at date 'JdTt', given its catalog mean place, proper motion, parallax, and radial velocity.

Namespace: ASCOM.Astrometry.NOVAS
Assembly: ASCOM.Astrometry (in ASCOM.Astrometry.dll) Version: 6.0.0.0 (6.2.0.2774)
Syntax
public short VirtualStar(
	double JdTt,
	CatEntry3 Star,
	Accuracy Accuracy,
	ref double Ra,
	ref double Dec
)

Parameters

JdTt
Type: SystemDouble
TT Julian date for virtual place.
Star
Type: ASCOM.AstrometryCatEntry3
catalog entry structure containing catalog data for the object in the ICRS
Accuracy
Type: ASCOM.AstrometryAccuracy
Code specifying the relative accuracy of the output position.
Ra
Type: SystemDouble
Virtual right ascension in hours, referred to the GCRS.
Dec
Type: SystemDouble
Virtual declination in degrees, referred to the GCRS.

Return Value

Type: Int16
 =  0 ... Everything OK.
 > 10 ... Error code from function 'MakeObject'.
 > 20 ... Error code from function 'Place'
 
Remarks