Lamp | Micrometer setting (mm) | ![]() |
Error in peak location | ![]() |
![]() |
Error on Wavelength |
Cadmium | 02.50 | 2.62E5 | 0.0961 | 55.17 | 55 | 0.1054 |
Cadmium | 05.00 | 5.48E5 | 0.0840 | 55.12 | 55 | 0.0984 |
Cadmium | 06.50 | 4.30E5 | 0.0765 | 55.10 | 55 | 0.0944 |
Helium | 02.00 | 6.22E5 | 0.0878 | 55.31 | 55 | 0.1068 |
Helium | 04.00 | 5.04E5 | 0.0791 | 55.08 | 55 | 0.1014 |
lamp | micrometer setting (mm) | Exposure time (s) | xrange | ![]() |
Error on peak location | ![]() |
Error on wavelength |
Cadmium | 03.00 | 0.1 | 61 | 55.95 | 0.0175 | 6.40E04 | 0.1043 |
Cadmium | 02.50 | 0.1 | 61 | 384.301 | 0.0203 | 6.40E4 | 0.10568 |
Cadmium | 05.00 | 0.1 | 61 | 1061.95 | 0.0965 | 6.40E4 | 0.09866 |
Cadmium | 06.50 | 0.1 | 61 | 274.833 | 0.0119 | 6.40E4 | 0.09446 |
Helium | 02.00 | 1.0 | 61 | 1329.78 | 0.01011 | 7.28E4 | 0.107122 |
Helium | 05.50 | 1.0 | 61 | 2.29957 | 0.12450 | 7.28E4 | 0.097027 |
High Mercury | 04.00 | 1.0 | 81 | 76.62 | 0.0656 | 7.28E4 | 0.09995 |
High Mercury | 07.00 | 10.0 | 91 | 2.94541 | 0.42922 | 3.22E5 | 0.09749 |
lamp | micrometer setting (mm) | Exposure time (s) | xrange | ![]() |
Error on peak location | ![]() |
Intensity | Error on wavelength |
Cadmium | 03.00 | 0.1 | 61 | 21.7893 | 0.0281 | 1.02E5 | 7.203E6 | 0.104312632822 |
Cadmium | 02.50 | 0.1 | 61 | 381.8706 | 0.0231 | 6.42E4 | 5.76E6 | 0.1057 |
Cadmium | 05.00 | 0.1 | 61 | 32.5048 | 0.0695 | 4.57E5 | 1.47E7 | 0.0985 |
Cadmium | 06.50 | 0.1 | 61 | 27.2785 | 0.0355 | 2.03E5 | 9.97E6 | 0.0944 |
Helium | 02.00 | 1.0 | 61 | 37.6274 | 0.0601 | 4.33E5 | 1.43E7 | 0.1069 |
Helium | 05.50 | 1.0 | 61 | 474.5811 | 0.0086 | 5.01E3 | 1.06E6 | 0.0973 |
High Mercury | 04.00 | 1.0 | 81 | 7016.7390 | 0.0110 | 7.00E3 | 1.682E6 | 0.1015 |
High Mercury | 07.00 | 10.0 | 91 | 4149.4471 | 0.0133 | 9.90E3 | 2.18E6 | 0.0930 |
Parameter | r = 5 | 10 | 20 | 47 | 50 | 1000 |
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3.68 | 3.01 | 2.98 | 2.11 | 2.81 | 2.98 |
r | 1.50 | 1.50 | 1.49 | 3.95 | 2.50 | 1.50 |
amp | 3.60E11 | 2.68E11 | 2.62E11 | 1.46E11 | 2.20E11 | 2.64E11 |
mu | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 |
bg | 2.77E5 | 3.45E5 | 3.50E5 | 3.57E5 | 3.51E5 | 3.50E5 |
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1.45E7 | 2.22E6 | 2.08E6 | 1.43E6 | 2.02E6 | 2.07E6 |
ndf | 195 | 195 | 195 | 195 | 195 | 195 |
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7.43E4 | 1.14E4 | 1.06E4 | 7.32E3 | 1.03E4 | 1.06E4 |
Parameter | ![]() |
5 | 10 | 40 | 100 |
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2.98 | 2.11 | 2.98 | 2.82 | 2.98 |
r | 1.44 | 3.95 | 1.09 | 2.50 | 1.40 |
amp | 2.56E11 | 1.46E11 | 2.04E11 | 2.20E11 | 2.50E11 |
mu | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 |
bg | 3.50E5 | 3.57E5 | 3.50E5 | 3.51E5 | 3.50E5 |
![]() |
2.07E6 | 1.43E6 | 2.07E6 | 2.02E6 | 2.07E6 |
ndf | 195 | 195 | 195 | 195 | 195 |
![]() |
1.06E4 | 7.32E3 | 1.06E4 | 1.03E4 | 1.06E4 |
Parameter | 50 | 100 | 150 | 200 |
![]() |
2.98 | 2.82 | -2.10 | 2.82 |
r | 1.48 | 2.50 | 3.95 | 2.50 |
amp | 6.55E11 | 1.10E11 | 1.09E11 | 2.21E11 |
mu | 2.92E2 | 2.92E2 | 2.92E2 | 2.92E2 |
bg | 3.49E5 | 3.58E5 | 3.61E5 | 3.50E5 |
![]() |
2.01E6 | 1.92E6 | 1.37E6 | 2.05E6 |
ndf | 45 | 95 | 145 | 195 |
![]() |
4.48E4 | 2.02E4 | 9.47E3 | 1.05E4 |
Layered normalised profiles for all lines in all lamps | Gaussian fit to the mean values of the normalised layered lines from all .fit files |
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Layered normalised profiles for 'best' lines in all lamps | Gaussian fit to the mean values of the normalised layered lines from 'best' .fit files |
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Parameter | All lamps | Best lamps |
amp | 6.01 ![]() |
7.93 ![]() |
![]() |
6.85E-1 ![]() |
6.30E-1 ![]() |
![]() |
3.54 ![]() |
3.16 ![]() |
b | 3.09E1 ![]() |
2.47E-2 ![]() |
Normalised ![]() |
5.61E-2 | 6.60E-2 |
![]() |
96 | 96 |
Normalised ![]() |
5.85E-4 | 6.87E-4 |
I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|
![]() |
Bestfitcadmium.png | r1 | manage | 115.1 K | 25 Feb 2017 - 12:45 | JamesAngthopo | This shows the spectral line which had the best fit with a Gaussian curve for 0.1 s exposure time. |
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Caderror.png | r1 | manage | 108.5 K | 28 Feb 2017 - 22:44 | JamesAngthopo | Plot of cadmium at 03.00mm showing the error bar derived from intens vs simga0 plot |
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Heliumdata.png | r1 | manage | 78.0 K | 23 Feb 2017 - 15:54 | JamesAngthopo | plot of a spectral line for Helium lamp. |
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LS_all.png | r1 | manage | 77.2 K | 28 Feb 2017 - 21:17 | WilliamBurrows | Layered normalised profiles for all lines in all lamps |
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LS_all_mean_gauss.png | r1 | manage | 38.3 K | 28 Feb 2017 - 21:20 | WilliamBurrows | Gaussian fit to the mean values of the normalised layered lines from all .fit files |
![]() |
LS_best.png | r1 | manage | 36.7 K | 28 Feb 2017 - 21:19 | WilliamBurrows | Layered normalised profiles for 'best' lines in all lamps |
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LS_best_mean_gauss.png | r1 | manage | 35.5 K | 28 Feb 2017 - 21:21 | WilliamBurrows | Gaussian fit to the mean values of the normalised layered lines from 'best' .fit files |
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bgfitsigplot.png | r1 | manage | 221.5 K | 01 Mar 2017 - 00:34 | JamesAngthopo | This plot shows the error obtained for when sigma0 was found by using vega background |
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expsigplot.png | r1 | manage | 216.6 K | 01 Mar 2017 - 00:33 | JamesAngthopo | This plot shows the error obtained for when sigma0 was found for different exposure time |
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indsigplot.png | r1 | manage | 177.6 K | 01 Mar 2017 - 00:33 | JamesAngthopo | This plot shows the error obtained for when sigma0 was found for individual spectral lines |
![]() |
intvsig.png | r2 r1 | manage | 71.0 K | 01 Mar 2017 - 10:43 | JamesAngthopo | plot of intensity against sigma_0 |