[VEP-008] new term in product-type: #dynamic-spectrum

[Baptiste Cecconi]

With my apologies to the Semantics chair. 
Markus: I just see your message from this morning… sorry


> Le 16 juin 2021 à 14:30, Baptiste Cecconi <Baptiste.Cecconi at obspm.fr> a écrit :
> 
> Dear colleagues, 
> 
> here is another VEP for the product-type vocabulary. 
> 
> We propose a new term: #dynamic-spectrum
> 
> See here for details:
> http://volute.g-vo.org/svn/trunk/projects/semantics/veps/VEP-008.txt <http://volute.g-vo.org/svn/trunk/projects/semantics/veps/VEP-008.txt>
> 
> I copy the initial proposed content below.
> 
> Cheers,
> Baptiste
> 
> 
> ———————
> 
> Vocabulary: http://www.ivoa.net/rdf/product-type <http://www.ivoa.net/rdf/product-type>
> Authors: Baptiste Cecconi <baptiste.cecconi at obspm.fr <mailto:baptiste.cecconi at obspm.fr>>, Yan Grange <grange at astron.nl <mailto:grange at astron.nl>>
> Date: 2021-06-16
> 
> New Term: #dynamic-spectrum
> Action: Addition
> Label: Dynamic Spectrum
> Description: Consecutive spectral measurements through time, 
> organized as a time series of successive spectra of the same 
> target or field of view.
> 
> Relationships: rdfs:subPropertyOf(two-d-array)
> 
> Used-in: http://vogate.obs-nancay.fr/tableinfo/nda.epn_core <http://vogate.obs-nancay.fr/tableinfo/nda.epn_core>
> Used-in: http://dorotka.ufa.cas.cz/tableinfo/thmsm.epn_core <http://dorotka.ufa.cas.cz/tableinfo/thmsm.epn_core>
> Used-in: http://cdpp-epntap.irap.omp.eu/tableinfo/amdadb.epn_core <http://cdpp-epntap.irap.omp.eu/tableinfo/amdadb.epn_core>
> To-be-used-in: https://vo.astron.nl/browse/__system__/obscore <https://vo.astron.nl/browse/__system__/obscore>
> 
> Rationale:
> The term #dynamic-spectrum is mostly use in low frequency radio 
> astronomy. A #dynamic-spectrum data product is a 2D product, with
> a time axis and a spectral axis. Community-specific clients can 
> use this term to select adequate plotting style (such as, e.g., 
> the "waterfall" style). In TOPCAT, the corresponding plotting 
> style would be the "spectrogram" option of its "Time Plot" window.
> 
> NB: The EPNcore short name for #dynamic-spectrum is `ds`. 
> 

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