- During the week, correct grating position was found and grating was stuck down
- Sigma of the Gaussian fit to the peak as a function of the lens-camera distance:

- Hyperbolic function used:

- Best guess values used are a = 1, b = 4, μ = 21
- Lowest value of σ is 2.72

- Sigma of the Gaussian fit to the peak as a function of the camera rotation:

- Cosine function used:

- Best guess values used are a = 1, b = 4, μ = 1
- Lowest value of σ is 3.49

- Cutoff value = 0.02
- Size of xrange has to be greater than 2
- The length of adjacent value considered = 3

- Plot of normalised Vega spectrum with its normalised second derivative:

- Vega spectrum with its peak located:

I | Attachment | History | Action | Size | Date | Who | Comment |
---|---|---|---|---|---|---|---|

png | Normalised_plot.png | r1 | manage | 138.1 K | 02 Dec 2016 - 13:42 | JamesAngthopo | Plot of normalised Vega spectrum with its normalised second derivative |

png | VegaSpec_plot.png | r1 | manage | 88.3 K | 02 Dec 2016 - 13:43 | JamesAngthopo | Vega spectrum with its peak located |

png | sigma_Distance_Hyperbole.png | r1 | manage | 52.1 K | 02 Dec 2016 - 13:35 | WilliamBurrows | Sigma of the Gaussian fit to the peak as a function of the lens-camera distance |

png | sigma_Rotation_Cosine.png | r1 | manage | 48.0 K | 02 Dec 2016 - 14:27 | WilliamBurrows | Sigma of the Gaussian fit to the peak as a function of the camera rotation |

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Topic revision: r3 - 02 Dec 2016 - WilliamBurrows

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