TWiki> IVOA Web>IvoaDataModel>ObsDMCoreComponents>ObsTAPdraftDiscussion>ObsTAPdraftDiscussionNewUCDs (revision 1)EditAttach
From the discussion, and the proposals I made to some of the items, it follows we might need the following new UCDs:

  • meta.bib.doi, for supporting DOI-based bibliographical references; not very needed, if the corresponding field only allows for bibcodes. This would be used for field bib_reference.
  • pos.uv, for specifying a UV-plane axis, and pos.uv.u and pos.uv.v for specifying a locus in the UV plane. This would be used for field s_ucd, and in general for fields with UType Char.SpatialAxis.UCD.
  • arith.fft, for qualifying a UCD as being subject to a FFT transform. This would be used for field em_axis (for instance, em.freq; arith.fft for an autocorrelation series), or for field s_ucd, if instead of pos.uv, pos.eq; arith.fft were preferred.
  • arith.log, for qualifying a UCD as being subject to a logarithmic transform. This would be used for field em_axis (for instance, em.wl; arith.log; this use case comes from the SSA Recommendation)


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Topic revision: r1 - 2011-03-07 - JuanDeDiosSantanderVela
 
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