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 dispersion axis in iraf of Ureka
   
haha
 07/06/2015 11:52AM (Read 790 times)  
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Chatty

Status: offline


Registered: 10/25/2013
Posts: 39
It seems there is no effect if I use
noao.twodspec
apextract
apextract.dispaxis=2
when the dispersion axis is along columns.

I am using IRAF in Ureka.
How to set the dispersion axis exactly?

 
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haha
 07/06/2015 12:53PM  
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Chatty

Status: offline


Registered: 10/25/2013
Posts: 39
apextract.dispaxis=2 is useless when the dispaxis key is 1 in the fits files, so we need to change the header first.

 
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