[daip] Shifting Position with CLCOR

Eric Greisen egreisen at nrao.edu
Fri Aug 17 15:24:12 EDT 2018


On 08/10/2018 10:22 AM, Ingyin Zaw wrote:
> Hello,
> 
> I've fit the position from my source and found that it's 4 pixels to the 
> left and 23 pixels down from the position I gave for the observation. 
> The pixels are 0.1 mas x 0.1 max, so +0.4 mas in RA and -2.3 mas in Dec.
> 
> Am I correct that in order to correct for this using CLCOR, I should set:
> 
> opcode 'antp'
> clcorprm(5)= 0.0004
> clcorprm(6)= -0.0023
> 
> Thanks,
> Ingyin

that is how I read the help file.  But you can try it and re-make the 
images to confirm the result.

Eric Greisen



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