greenwich Apparent Sidereal Time
fun greenwichApparentSiderealTime(jd: Double, deltaT: Double = 0.0, unitType: UnitType = UnitType.DEGREES): Double
Greenwich Apparent Sidereal Time default in degree, GAST
Return
gast in degree or radian
Parameters
jd
Julian Day
delta T
in second
unit Type
degree or radian