SDM evolution roadmap: Data.FluxAxis.Accuracy.LowerLimit another UCD suggestion

[CresitelloDittmar, Mark]

Thanks Mireille,

These are very similar to the current placeholders ( which mimic the
StatErrorLow|High element ucds )
The main question I have about this was/is:
  o is LowerLimit/UpperLimit conceptually considered an Error term?
If not, then perhaps the detection limit options are more appropriate.

Mark



On Tue, Jul 26, 2022 at 11:40 AM Mireille LOUYS <mireille.louys at unistra.fr>
wrote:

> Dear dmers,
>
> just on the UCD assignation , I have another suggestion for *Data.FluxAxis.Accuracy.LowerLimit
> *
> which also validates in the UCD builder tool (
> http://cdsweb.u-strasbg.fr/UCD/cgi-bin/descr2ucd ) and contains the flux
> information:
> stat.error;phot.flux;stat.min
>
> *Data.FluxAxis.Accuracy.UpperLimit* whould also have this UCD
> stat.error;phot.flux;stat.max
>
> Thanks , Mireille,
> for the UCD maintenance committee.
>
>
> Le 21/07/2022 à 20:22, CresitelloDittmar, Mark a écrit :
>
> Hi,
>
> Follow-up on the UCD topic.  I've started a new Issue in the repository
> <https://github.com/ivoa-std/SpectrumDM/issues/5> for this, so it can be
> worked outside of the structural model changes.
> The primary objective is to select the proper terms for the new elements..
> I'm not sure if we need to go outside this list for that, but I'm hoping
> Vandana and Petr can get some review on this and provide feedback.
>
> The following shows the UCDs put into this PR, and the suggested values
> per the UCD Builder utility.
>
>    - Data.SpectralAxis.order => "instr.order"
>    - Data.SpectralAxis.relorder => "instr.order"
>       - UCD builder suggests: "stat.variance;instr.order" for both,
>       though "instr.order" can stand on its own.
>    - Data.FluxAxis.Accuracy.LowerLimit =>
>    "stat.error.phot.flux.density;em.*;stat.min" (Same as StatErrorLow)
>       - UCD builder suggests:
>          - "statistical lower limit" -> "stat.value;stat.min"
>          - "detection lower limit" -> "instr.saturation;stat.min"
>       - Data.FluxAxis.Accuracy.UpperLimit =>
>    "stat.error.phot.flux.density;em.*;stat.max" (Same as StatErrorHigh)
>       - UCD builder suggests:
>          - "statistical upper limit" -> "stat.value;stat.max"
>          - "detection upper limit" -> "instr.saturation;stat.max"
>
>
> Mark
>
>
> --
> --
> Mireille Louys,  MCF (Associate Professor)
> Centre de données CDS		IPSEO, Images, Laboratoire Icube
> Observatoire de Strasbourg	Telecom Physique Strasbourg
> 11 rue de l'Université		300, Bd Sebastien Brandt CS 10413
> F- 67000-STRASBOURG		F-67412 ILLKIRCH Cedex
> Tel: +33 3 68 85 24 34
>
>
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