UCD question: how to specify reference to a flat field image?

Roy Williams roy at cacr.caltech.edu
Wed Oct 15 10:59:58 PDT 2008


Next iteration:
meta.file;obs.calib.flat



Brian Thomas wrote:
> On Wednesday 15 October 2008 01:47:29 pm Rob Seaman wrote:
>   
>> How about meta.dataset;obs.calib.flat?
>>     
>
> Hmm. Perhaps.. but the definition of 'meta.dataset' is a not very clear or satisfying 
> one of "Dataset, archive".
>
> =brian
>
>   
>> --
>>
>> On Oct 15, 2008, at 10:33 AM, Brian Thomas wrote:
>>
>>     
>>> 	Hi,
>>>
>>> 	Here's a question for the UCD mavens on the list; my apologies in  
>>> advance if
>>> 	this was answered elsewhere  (I guess I missed it..)
>>>
>>> 	How does one specify "a flat-field calibration file" using UCD  
>>> 1.23? I see that the
>>> 	'meta.file' and 'obs.calib.flat' UCDs both exist, however, they are  
>>> both marked as
>>> 	'secondary', so neither may be the first in a composed word, and  
>>> apparently cant
>>> 	be combined.
>>>
>>> 	What should I do here?
>>>
>>> 	-brian
>>>       
>
>   

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