calibration problems

#580124
John Coffin
Participant

Here is the text of the ISIS report after pressing the Go button on the calibration assistant.

Extract spectral profile… 

Input image : c:spectra20181028mean.fit

Y-coordinate of binning zone : 532

Binning zone width : 27

Sauve the rectified image : c:spectra20181028@.fit

Save the profile : c:spectra20181028@.dat  (uncalibrated spectra)

Ok. 

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Extract spectral profile… 

Input image : c:spectra20181028neon5.fit

Y-coordinate of binning zone : 532

Binning zone width : 27

Sauve the rectified image : c:spectra20181028@@.fit

Save the profile : c:spectra20181028@@@@.dat  (uncalibrated spectra)

Ok. 

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Lines search zone  

|  -5  |  373  |  3  |

|  -5  |  384  |  3  |

|  -5  |  401  |  3  |

|  -4  |  428  |  4  |

|  -5  |  478  |  3  |

|  -3  |  584  |  5  |

|  -5  |  790  |  7  |

|  -5  |  809  |  7  |

|  -6  |  878  |  6  |

|  -5  |  929  |  7  |

|  -6  |  1070  |  6  |

|  -8  |  1124  |  6  |

|  -10  |  1202  |  4  |

Gaussian fit on : +/-5 pixels  

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Reciprocical inverse dispersion equation  

Coefficient a4 : 2.039047E-10

Coefficient a3 : -1.032328E-06

Coefficient a2 : 1.289598E-03

Coefficient a1 : 4.25183

Coefficient a0 : 2113.351

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Fitting deviation (wavelength)

point #1  x = 373.309  lambda = 3835.394  dlambda = -0.004

point #2  x = 384.441  lambda = 3889.156  dlambda = -0.106

point #3  x = 401.092  lambda = 3969.698  dlambda = 0.382

point #4  x = 428.333  lambda = 4101.743  dlambda = 0.007

point #5  x = 477.589  lambda = 4341.144  dlambda = -0.664

point #6  x = 584.329  lambda = 4860.809  dlambda = 0.531

point #7  x = 790.079  lambda = 5852.713  dlambda = -0.223

point #8  x = 809.454  lambda = 5944.744  dlambda = 0.086

point #9  x = 877.733  lambda = 6266.474  dlambda = 0.016

point #10  x = 929.332  lambda = 6506.631  dlambda = -0.101

point #11  x = 1070.153  lambda = 7147.050  dlambda = -0.010

point #12  x = 1123.593  lambda = 7383.774  dlambda = 0.176

point #13  x = 1201.871  lambda = 7723.850  dlambda = -0.090

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RMS : 0.351305 (in angstroms)

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Ok.

Here is the report from the Go page.

Load the image : c:spectra20181028zeta_draconis-1.fit

Load the image : c:spectra20181028zeta_draconis-2.fit

Load the image : c:spectra20181028zeta_draconis-3.fit

Load the image : c:spectra20181028zeta_draconis-4.fit

Load the image : c:spectra20181028zeta_draconis-5.fit

Load the image : c:spectra20181028zeta_draconis-6.fit

Substract the offset : c:spectra20181028caliboffset.fit

Substract the dark : c:spectra20181028calibdark600_b2_minus10-.fit

Dark coefficient (1) : 0.0333

Dark coefficient (2) : 0.0333

Dark coefficient (3) : 0.0333

Dark coefficient (4) : 0.0333

Dark coefficient (5) : 0.0333

Dark coefficient (6) : 0.0333

Divide by the flat-field : c:spectra20181028flat.fit

Flat-field level : 38002

Cosmetic correction : c:spectra20181028calibcosme.lst

Smile correction – Y0 = 658  Radius = 11056

Transverse registration at intermediate Y coordinate = 532.00

Spectrum Y coordinate Y 1 = 533.31

Spectrum Y coordinate Y 2 = 533.47

Spectrum Y coordinate Y 3 = 533.53

Spectrum Y coordinate Y 4 = 533.73

Spectrum Y coordinate Y 5 = 533.76

Spectrum Y coordinate Y 6 = 533.58

Remove sky background

Save image : c:spectra20181028@s.fit (sky not removed)

Save 0b product : c:spectra20181028_Zeta Dra.fit (2D image)

Adopted Y coordinate : 531.51

Tilt correction (second pass)

Remove sky background (second pass)

Write 2D image : c:spectra20181028@1.fit

Write 2D image : c:spectra20181028@2.fit

Write 2D image : c:spectra20181028@3.fit

Write 2D image : c:spectra20181028@4.fit

Write 2D image : c:spectra20181028@5.fit

Write 2D image : c:spectra20181028@6.fit

Optimal binning

Write raw profile : c:spectra20181028@raw1.dat

Write raw profile : c:spectra20181028@raw2.dat

Write raw profile : c:spectra20181028@raw3.dat

Write raw profile : c:spectra20181028@raw4.dat

Write raw profile : c:spectra20181028@raw5.dat

Write raw profile : c:spectra20181028@raw6.dat

Intensity of individual profiles (ADU)…

Mean (median) for profile #1 : 277922 (48733)

Mean (median) for profile #2 : 267284 (46730)

Mean (median) for profile #3 : 274253 (46119)

Mean (median) for profile #4 : 283042 (47260)

Mean (median) for profile #5 : 261331 (48022)

Mean (median) for profile #6 : 247607 (44406)

Standard summation of individual profiles

Save uncalibrated spectral profile : c:spectra20181028@star.dat

Processing of calibration image : c:spectra20181028neon5.fit

Dark coefficient (calibration) : 0.0083

Save image : c:spectra20181028@calib.fit (2D image)

Save spectral profile : c:spectra20181028@calib.dat

Spectral calibration

Computed A0 parameter : 2113.160 (actual polynom A0 = 2113.351)

Predefined dispersion polynom :

Coefficient a4 : 2.039047E-10

Coefficient a3 : -1.032328E-06

Coefficient a2 : 1.289598E-03

Coefficient a1 : 4.25183

Coefficient a0 : 2113.351

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Normalization spectral range : [6650  –  6750]

Normalization value (final profile) : 42238320.9

Normalization value (individulal profile #1) : 7339427.7

Normalization value (individulal profile #2) : 7005366.1

Normalization value (individulal profile #3) : 7012000.4

Normalization value (individulal profile #4) : 7058567.1

Normalization value (individulal profile #5) : 7157459.9

Normalization value (individulal profile #6) : 6665499.8

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Spectrum #1   ( b ) – ( v ) intensity = ( 0.839 ) – ( 0.996 )

Spectrum #2   ( b ) – ( v ) intensity = ( 0.862 ) – ( 0.994 )

Spectrum #3   ( b ) – ( v ) intensity = ( 0.913 ) – ( 0.997 )

Spectrum #4   ( b ) – ( v ) intensity = ( 0.951 ) – ( 0.998 )

Spectrum #5   ( b ) – ( v ) intensity = ( 0.786 ) – ( 0.996 )

Spectrum #6   ( b ) – ( v ) intensity = ( 0.798 ) – ( 0.997 )

( b ) – ( v ) mean intensity = ( 0.858 ) – ( 0.996 )

( b ) – ( v ) median intensity = ( 0.862 ) – ( 0.997 )

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Write individual DAT processed profile : c:spectra20181028@pro1.dat

Write individual DAT processed profile : c:spectra20181028@pro2.dat

Write individual DAT processed profile : c:spectra20181028@pro3.dat

Write individual DAT processed profile : c:spectra20181028@pro4.dat

Write individual DAT processed profile : c:spectra20181028@pro5.dat

Write individual DAT processed profile : c:spectra20181028@pro6.dat

Write individual FITS processed profile : c:spectra20181028@pro1.fit

Write individual FITS processed profile : c:spectra20181028@pro2.fit

Write individual FITS processed profile : c:spectra20181028@pro3.fit

Write individual FITS processed profile : c:spectra20181028@pro4.fit

Write individual FITS processed profile : c:spectra20181028@pro5.fit

Write individual FITS processed profile : c:spectra20181028@pro6.fit

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Write final profile : c:spectra20181028_zetadra_20181028_970_J_Coffin.fit

Write final profile : c:spectra20181028_zetadra_20181028_970_J_Coffin.dat

Intermediate files removed

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Acquisition starting date : 28/10/2018 23:16:27

Duration : 42.0 secondes

Mid-exposure date : 28.970/10/2018

Mid-exposure Julian day : 2458420.4700

Resolution power : 521.5

Ok.