Welcome to FIESpipe’s documentation!#

FIESpipe is a software package used to extract various data products from spectra acquired with the FIES spectrograph (Telting et al., 2014) at the Nordic Optical Telescope (Djupvik and Andersen, 2010). The package is intended to be used on the reduced “order-by-order” FIES spectra extracted from the FIEStool data reduction software.

There are a number of examples showing how to extract various quantities.

Radial velocities (RVs) can be extracted through either:

the cross-correlation function (basic),
the broadening function (broad),
\(\chi^2\) minimization (chisq),
or template matching (tempmatch)

Furthermore, in thar an example on how to trace the (RV) drift of the spectrograph using the ThAr calibration spectra is given.

Activity indicators, namely the Full Width Half Maximum (FWHM) and Bisector Inverse Slope (BIS), are calculated in basic, and the S-index is calculated in sidx.

The examples show how to extract the quantities of interest through individual function calls, whereas the modules in Workflows are collections of these function calls. Plots showing these products can be created using the functions in evince.

In templates it is shown how to download and read/extract wavelength,flux from some template spectra.