time series with sparse em axes

[Molinaro, Marco]

Dear Semantics,

(but maybe DM & DAL should also be in the loop)

for a "heritage data" project we have a set of observations
that consist of time series of nearly monochromatic RHCP & LHCP
radio fluxes of the full disk Sun.

Unfortunately the files they are stored in (FITS bintables)
contain:
- the 6 individual observational frequencies, sparse from 237Mhz to 2.7GHz
- for each of them 3 time series: LHCP, RHCP and the sum of them (full flux)

This leads us to describe them, no matter if in obscore or epncore,
as 6 separate time series records referencing the same FITS dataset,
because we are unable to describe the sparse "em" axes.

We are wondering whether:
- there's a different way to serve all of the frequencies together
(a SED.like fashion, but specifying the array of frequencies)
- another dataproduct_type, but I'm lost which one can work

Or maybe Radio, HE, TD IGs have some insight on this.

Thanks in advance for any hint,

Cheers
    Marco

-- 
Marco Molinaro
INAF - Istituto Nazionale di AstroFisica
Osservatorio Astronomico di Trieste
email marco.molinaro at inaf.it
tel. [+39] 333 33 20 564 [also Telegram]
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