Difference: 20170308_MSciSpectroscopyMeeting (2 vs. 3)

Revision 308 Mar 2017 - JamesAngthopo

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META TOPICPARENT name="StewartBoogertSpectroscopy2016"
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$\sigma_0$ Error
  • $\chi^2$ equation used
 \begin{equation} \chi^2=\sum_{i=1}^{N}\frac{y_i-f(x_i;\vec{\theta})}{\sigma_i^2+\sigma_0^2} \end{equation}
  • $\sigma_0$ chosen to be a constant at 5E3.
  • Returned plot of gaussian fit with error bars:

Calib_Cd_0300.png

Calib_He_0400.png
  • Cadmim at micrometer setting of 03.00mm had $\chi^2$ value of 8541.6015 abd Helium at micrometer setting of 4.00 had a $\chi^2$ value of 88793.4233.

 RMS Error

  • Fit-data difference as a function of intensity for G*C fits to lamp lines:
    Inensity_diff.png
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META FILEATTACHMENT attachment="Calib_Cd_0300.png" attr="" comment="Cadmium data at micrometer setting of 3mm" date="1488957198" name="Calib_Cd_0300.png" path="Calib_Cd_0300.png" size="114797" user="zyvb137" version="1"
META FILEATTACHMENT attachment="Calib_He_0400.png" attr="" comment="Helium data mircometer setting of 4.00mm" date="1488957230" name="Calib_He_0400.png" path="Calib_He_0400.png" size="88333" user="zyvb137" version="1"
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META FILEATTACHMENT attachment="chivals.pdf" attr="" comment="shows values for all cadmium and helium data" date="1488959177" name="chivals.pdf" path="chivals.pdf" size="30690" user="zyvb137" version="1"
META FILEATTACHMENT attachment="Part_spec.pdf" attr="" comment="sigam0 for 60000 instead of 5000" date="1488959358" name="Part_spec.pdf" path="Part_spec.pdf" size="286063" user="zyvb137" version="1"
 
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