Difference between revisions of "L097 Eisner Sternwarte Gmunden"

Latest revision as of 14:02, 28 April 2016

, since April 21, 2010, on the top of the eumetcast sat. dish

Kalibration

Calibration of L097 (April 2010). Linear daylight part.

Calibration of L097 (April 2010)

   Kalibration vom 28/29 April für L097 alias AT_GMUNDEN_1

       X = c ( b (a exp (n(1+dT)/a) - 1) + n ) 
       n ... counts (sensor output)

       X ... physical quantity (total radiation in [W/m²] 
             or horizontal illumination [Lux])

a = 1.1361e+05, b = 5.5264e-03, c = 3.8083e-09, d = 4.6205e-03  [W/m²]
a = 1.1361e+05, b = 5.5264e-03, c = 4.2069e-07, d = 4.6205e-03  [Lux]

       [Background x0= 4.2 mlx]

--GuentherWuchterl 16:54, 23. Mai 2010 (UTC)

Log:

   In [282]: SJD1=(X.JD > mx.DateTime.DateTime(2010,4,28,3,00).jdn) & (X.JD < mx.DateTime.DateTime(2010,4,28,23,59).jdn)
   In [283]: SJD2=(X.JD > mx.DateTime.DateTime(2010,4,29,0,10).jdn) & (X.JD < mx.DateTime.DateTime(2010,4,29,19,00).jdn)
   In [284]: SSH=(X.Sunheight_deg_from_JD(X.JD) > 35) | (X.Sunheight_deg_from_JD(X.JD) < -5.5)
   In [285]: SJD=(SJD1|SJD2)&SSH
   In [286]: X.fit_em1_to_natLight(Lux_range=[0.0001, 300000], JD_select=SJD, type='em1c0T')
   Out[286]: (array([  1.13613915e+05,   5.52637133e-03,   4.20686086e-07, -4.16664921e-03,   4.62052379e-03]), 1)
   In [288]: 4.20686086e-07/(0.95/X.Watt_per_square_meter_per_Lux)
   Out[288]: 3.8083161469473685e-09

Die vorläufige Kalibration 25 April 2010

       X = c ( b (a exp (n(1+dT)/a) - 1) + n ) 
       n ... counts (sensor output)
       X ... physical quantity (total radiation in [W/m²] 
             or horizontal illumination [Lux])

 a = 1.1436e+05, b = 5.5756e-03, c = 4.4929e-09, d = 4.7654e-03 [W/m²]
 a = 1.1436e+05, b = 5.5756e-04, c = 4.9631e-07, d = 4.7654e-03 [Lux]

       [Background x0= 2.3 mlx]

Log

 L097.Observer.long="13:48:00"; L097.Observer.lat="47:55:27";L097.Observer.elev=490 # Eisner Stw Gmunden
 In [185]: SJD=(X.JD > mx.DateTime.DateTime(2010,4,25,2,0).jdn) & (X.JD < mx.DateTime.DateTime(2010,4,25,18,40).jdn)
 In [186]: X.fit_em1_to_natLight(Lux_range=[0.001, 300000], JD_select=SJD, type='em1c0T')
 Out[186]: (array([  1.14357326e+05,   5.57568147e-03,   4.96311715e-07,-2.74079660e-03,   4.76535550e-03]), 1)
 In [187]: X.plot_em1T(1.14357326e+05,   5.57568147e-03,   4.96311715e-07,4.76535550e-03,color='k',marker=',')
 In [205]: plot_date(X.JD-X.pylab_JD0,X.Sunlight_Watt_per_square_meter_from_JD_DM(X.JD,surface_pressure=1012.0,   T_dew_C=13.0)*0.95/X.Watt_per_square_meter_per_Lux ,'c,', label='DM model,1012.0/T_d=13.0/k=2.78')

   W/m² 4.4929271e-09

17:04, 23. Mai 2010 GuentherWuchterl

WH --GW (talk) 15:01, 28 April 2016 (CEST)