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Data Reduction

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Data reduction

The GHOST DR package will be provided as part of the upcoming release of DRAGONS 3.2. 

Shared risk fast turnaround data

During the shared risk observations, the instrument was not focused correctly. An improved reduction algorithm that Gaussian-smooths the slit profile, and increases the extraction box width was added to GHOSTDR v1.1.0 to reduce this data. The only change with respect to the science verification data is to specify the smoothing scale when reducing the spectrograph flats (a value of 6 has been found to work well).

Science verification data 

Science verification data are best redcued with the DRAGONS 3.0 version, and the GHOST DR v1.1.0. Installation instructions and the tutorial can be found here

Data Reduction | Gemini Observatory


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