DAL sessions in Victoria
aa at astro.ex.ac.uk
Wed Apr 26 07:12:06 PDT 2006
Rob Seaman wrote:
> The complications for temporal searching are several. First, you
> need to be able to search in a barycentric (or arbitrary) time
> system. Second, you need to be able to search through some sort of
> evenly gridded comb filter in cadence - something like "return all
> images/spectra whose mid-exposure occurred near an even quarter-
> hour". Third, you have to be able to specify "near" - "within a
> window of plus or minus one minute". Fourth, you may need to be
> sensitive to some very creative observing modes and data structures.
You might want to have a look at the RTML <TimeConstraint> section
for this sort of thing...
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