Extract 2D Spectra from Echelle

[exowanderer]

This code seems to do very well at visualizing and gaining information from 1D spectrum from Echelle spectrographs, after the 2D Echelle spectra have been extracted into a stack of 1D spectra.

I see in #11 that there is mentioned of a Spectrum1DEchelle; but that seems to be how to handle multiple 1D spectra, as oppose to extracting 2D flux vs pixels into sets of 1D spectra.

Is there are way to take the 2D Echelle spectra (photons vs pixels) with the geometric distortions and needed wavelength calibrations (from comparison spectra) to generate these 1D spectra here -- not using IRAF, which is a monstrosity.

Is there are section of this package that extracts the 1D spectra from a 2D image?

[SaOgaz]

Hi @exowanderer, I believe your request fits in better with the aims of the specreduce package (https://github.com/astropy/specreduce). Please feel free to re-post your issue there!

For a better outline of what we're going to have in specutils you can peruse the specutils APE (https://github.com/astropy/astropy-APEs/blob/master/APE13.rst).

[exowanderer]

Hi @SaOgaz,

Thank you for your response. Does specutils include a spectral registering routine, such that I can auto-rotate all spectra to be aligned with the y-axis?

[eteq]

@exowanderer - a good guideline is to think of everything the deals with "2d spectra" to be aimed at specreduce, so I think that would also fall under specreduce.

With that in mind, I'm going to move this issue to specreduce. (Fair warning: I'm really using this as an excuse to try out the new "transfer issue" feature :wink:)