Airmass_Value                                   = py_w.get_HeaderValue(py_w.Airmass_Key, FileFolder + FileName, True)
        ExpTime_Value                                   = py_w.get_HeaderValue(py_w.Exptime_Key, FileFolder + FileName, True)

        #Calibration with the same star        
        OutputFile_CalibratedFileSingle                 = py_w.CalibrateTask(FileName, None, SensitivityCurve, FileFolder, Airmass_Value, ExpTime_Value, Suffix='fxW_OwnSensitivityCurve')

        #Calibration with the global curve
        GlobalCurve                                     = py_w.GlobalSensitiviyCurve + '.fits'
        OutputFile_CalibratedFileCombined               = py_w.CalibrateTask(FileName, None, GlobalCurve, FileFolder, Airmass_Value, ExpTime_Value, Suffix='fxW')

        #Extract the data for the plots
        Wave_Single, Int_Single, ExtraData_Single       = pv.File2Data(FileFolder, OutputFile_CalibratedFileSingle)
        Wave_Combined, Int_Combined, ExtraData_Combined = pv.File2Data(FileFolder, OutputFile_CalibratedFileCombined)
        
        #Getting star calibration file
        StarCalibrationName, BandWidth, BandSep         = py_w.getCalibrationFile(StarName)       
        CalibrationSpec_Address                         = py_w.Standard_Stars_Folder + StarCalibrationName  + '.dat'
        Wave_CalibStar, Flux_CalibStar_mAB              = loadtxt(CalibrationSpec_Address, usecols = (0,1), unpack=True)
        
        #Units conversion 
        Flux_CalibStar_nu                               = mAb_to_Fnu(Flux_CalibStar_mAB)
        Flux_CalibStar_lam                              = Fnu_to_Flam(Flux_CalibStar_nu, Wave_CalibStar)
        
        #Limiting the plot on the maximum and minimum values
        MedianInt = median(Int_Single)
        pv.Axis1.set_ylim(MedianInt/10,MedianInt*3)
        pv.Axis1.set_xlim(Wave_Single[0],Wave_Single[-1])
        
        #Plotting the data
        pv.DataPloter_One(Wave_Single, Int_Single, StarName.upper() + ' single star curve calibration', pv.Color_Vector[2][3])
        pv.DataPloter_One(Wave_Combined, Int_Combined, StarName.upper() + ' combined curve calibration', pv.Color_Vector[2][2])