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Add DUT1 table interface to astropy.time #502
Description
To be able to compute HorizontalSystem coordinates (Alt, Az), the table of DUT1 values is needed:
http://data.iers.org/products/214/14443/orig/eopc04_08_IAU2000.62-now
See comments by @dsberry here:
http://github.com/astropy/coordinates-benchmark/pull/10#issuecomment-10717022
Would it be able to interface this table in astropy.time?
Since this table is updated very frequently we might want to not put it in the astropy repo, but add a function to download it from somewhere else.
This is not urgent, we don't have HorizontalSystem coordinate transformations in astropy for the 0.2 release.
Activity
cdeil commentedon Nov 26, 2012
@iguananaut @taldcroft
I gather this has been discussed already a while back?
Can someone please summarise briefly how this should be implemented?
eteq commentedon Nov 27, 2012
This is a duplicate of #351, so I'm closing it. Please discss the topic further there. (although if there's some subtle distinction I've missed between what you're asking here and #351, @cdeil, feel free to re-open this issue)
cdeil commentedon Nov 27, 2012
@eteq Yes, this is an exact duplicate. Thanks.
Merge pull request astropy#502 from adrn/apw2022