astropy.wcs
astropy.wcs.utils.
add_stokes_axis_to_wcs
Add a new Stokes axis that is uncorrelated with any other axes.
wcs : WCS
WCS
The WCS to add to
add_before_ind : int
Index of the WCS to insert the new Stokes axis in front of. To add at the end, do add_before_ind = wcs.wcs.naxis The beginning is at position 0.
A new WCS instance with an additional axis