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On Mon, 14 Aug 2006, Mark Taylor wrote: > I'll take an initial look at this, though I don't know yet whether > I'll have the time to do it properly. Okay. We can't ask for more than that. > > Question: what format makes most sense for exchange of spectra between > GAIA and SPLAT? I suppose either a 1-D FITS image or a table > (FITS or ASCII) - in the latter case there have to be some implicit > assumptions or explicit information about which columns mean what. > If it's going to be a PLASTIC message it would be best to use a > format with well-defined syntax and semantics, so 1-D FITS may be I would imagine FITS would be best - in most cases we will have a spectral header that can be fully Paper III compliant (note that in some cases I will be making GAIA display a time series so headers are a bit of a problem there - a table of time + value would be better then). > best. Although there are existing tools (VO-Spec) which exchange > spectra over PLASTIC I'm not totally certain they're doing it in > a way which is most sensible for these purposes. Any chance that you can ping the plastic people to find out what VO-Spec does? -- Tim Jenness JAC software http://www.jach.hawaii.edu/~timj