[daip] JMFIT question

Eric Greisen egreisen at nrao.edu
Thu Mar 8 16:35:46 EST 2012


Ashley Zauderer wrote:
> Hi Eric,
> I have a quick question for you I hope is an easy one!
> 
> The fitted peak of gaussians in JMFIT (RA/DEC) with errors...
> 
> are those errors 1 sigma?  3 sigma?
> 
> I thought they were 1 sigma.  Am I wrong?  I checked the documentation 
> and it was not clear to me.
> 
> Thanks!
> ashley 

One sigma of course.

Note that they are from theory worked out for NVSS and the like.  They 
are not the formal errors from the Gaussian fitting which tend to be 
unrealistic.

Eric




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