Closed tomdonaldson closed 11 months ago
Perhaps this should use a vocabulary along the same lines as those used for the TIMESYS timescale and refposition attributes.
I concur with @mbtaylor , there is a vocabulary (draft) for the reference systems: https://www.ivoa.net/rdf/refframe/2019-03-15/refframe.html What we need to do is:
(This issue was first raised during the discussion of VOTable 1.4.)
The legal values for the
system
attribute ofCOOSYS
are listed in section 3.4 of the spec, but are not defined. It would be helpful for implementors if we provided a table of these values that included clear definitions of the values.