private void btnCalculate_Click(object sender, EventArgs e)
{
double sunRA;
double sunDec;
double sunDistance;
AstroUtilities.QuickPlanet(TimeOfMinimumJD, 3, true, out sunRA, out sunDec, out sunDistance);
double dDeg = AstroConvert.ToDeclination(tbxDE.Text);
double raHours = AstroConvert.ToRightAcsension(tbxRA.Text);
double dRad = dDeg * Math.PI / 180.0;
double raRad = raHours * 15 * Math.PI / 180.0;
double C = 299792458.0; // m/s
// HJD = JD - (r/c) * [sin(d) * sin (dSun) + cos(d) * cos (dSun) * cos (a - aSun)]
double correction = (sunDistance * 1.4960E11 / C) * (Math.Sin(dRad) * Math.Sin(sunDec) + Math.Cos(dRad) * Math.Cos(sunDec) * Math.Cos(raRad - sunRA));
double hjd = TimeOfMinimumJD - (correction / (3600 * 24));
tbxCorrection.Text = hjd.ToString();
TimeOfMinimumHJD = hjd;
TimeCorrectionHJD = -(correction / (3600 * 24));
}
private void btnFindGSVSStar_Click(object sender, EventArgs e)
{
string userDesig = tbxVarStar.Text.Trim();
EclipsingVariable foundVar = EclipsingVariableCatalogue.Instance.Stars.FirstOrDefault(x => x.Designation.Equals(userDesig, StringComparison.InvariantCultureIgnoreCase) || x.StandardDesignation.Equals(userDesig, StringComparison.InvariantCultureIgnoreCase));
if (foundVar != null)
{
double ra = foundVar.RA * 15 * Math.PI / 180.0;
double de = foundVar.Dec * Math.PI / 180.0;
AstroUtilities.ApparentStarPosition(ref ra, ref de, 0, 0, 2000, TimeOfMinimumJD);
tbxRA.Text = AstroConvert.ToStringValue(ra * 180 / (Math.PI * 15), "HH MM SS.T");
tbxDE.Text = AstroConvert.ToStringValue(de * 180 / Math.PI, "DD MM SS");
}
}
private void frmResults_Load(object sender, EventArgs e)
{
ILightCurveDataProvider dataProvider = TangraHost.GetLightCurveDataProvider();
if (dataProvider != null)
{
ITangraDrawingSettings settings = dataProvider.GetTangraDrawingSettings();
Color targetColor = settings.Target1Color;
if (TargetId == 0)
{
targetColor = settings.Target1Color;
}
else if (TargetId == 1)
{
targetColor = settings.Target2Color;
}
else if (TargetId == 2)
{
targetColor = settings.Target3Color;
}
else if (TargetId == 3)
{
targetColor = settings.Target4Color;
}
m_TargetBrush = new SolidBrush(targetColor);
}
else
{
m_TargetBrush = Brushes.DeepSkyBlue;
}
if (Results.Success)
{
tbxErrorMessage.Visible = false;
picGraph.Visible = true;
}
else
{
tbxErrorMessage.Text = Results.ErrorMessage;
tbxErrorMessage.Visible = true;
picGraph.Visible = false;
}
// 1E-6 days is a precision of 0.08 sec - good enough for our purposes
tbxT0JD.Text = Results.Time_Of_Minimum_JD.ToString("0.000000");
tbxT0UT.Text = AstroUtilities.JDToDateTimeUtc(Results.Time_Of_Minimum_JD).ToString("dd MMM yyyy, HH:mm:ss.fff");
tbxT0Uncertainty.Text = Results.Time_Of_Minimum_Uncertainty.ToString("0.000000");
tbxT0.Text = Results.T0.ToString("0.000000");
tbxTotalObs.Text = Results.NumberObservations.ToString();
tbxIncludedObs.Text = Results.IncludedObservations.ToString() + "%";
tbxUncertaintyInSec.Text = (Results.Time_Of_Minimum_Uncertainty * 86400.0).ToString("0.0");
PlotKweeVanWoerden();
if (PolyResults != null)
{
tbxT0JD_CF.Text = PolyResults.Time_Of_Minimum_JD.ToString("0.000000");
tbxT0UT_CF.Text = AstroUtilities.JDToDateTimeUtc(PolyResults.Time_Of_Minimum_JD).ToString("dd MMM yyyy, HH:mm:ss.fff");
nudM0.Value = (decimal)PolyResults.M0;
nudC.Value = (decimal)PolyResults.C;
nudD.Value = (decimal)PolyResults.D;
nudG.Value = (decimal)PolyResults.G;
PlotPolyFit();
}
}
private void frmHJDCalculation_Load(object sender, EventArgs e)
{
dateTimePicker.Value = AstroUtilities.JDToDateTimeUtc(TimeOfMinimumJD).Date;
}
