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 about the flux calibration of a spectrum
   
haha
 09/04/2014 03:49AM (Read 920 times)  
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Chatty

Status: offline


Registered: 10/25/2013
Posts: 39
when we run
apall

Automatically there is a size for an aperture. That size is the FWHM or something of the aperture? Or we can choose the size of the aperture by ourself?

If we choose by hand, the flux may become arbitrary?

 
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