/// <summary>
/// Create a new Ephemeris Time
/// </summary>
/// <param name="day">The Julian Day</param>
/// <param name="deltaT">The DeltaT value</param>
public EphemerisTime(JulianDay day, Double deltaT)
: this()
{
this.JulianDay = day;
this.DeltaT = deltaT;
this.Value = this.JulianDay.Value + this.DeltaT;
}
/// <summary>
/// Temps sidéral corrigé avec la longitude
/// </summary>
public static SideralTime ToSideralTime(this IEphemerisProvider provider, JulianDay jDay, Longitude longitude)
{
if (provider == null)
{
throw new ArgumentNullException("provider");
}
SideralTime sid = provider.ToSideralTime(jDay) + (longitude / 15.0);
if (sid >= 24.0)
{
sid -= 24.0;
}
if (sid < 0.0)
{
sid += 24.0;
}
return(sid);
}