[evlatests] Spectral indices and bandpass calibration...

Nicholas Elias nelias at nrao.edu
Fri Feb 26 20:07:09 EST 2010


So Amy et al. will do the observations and give us digested data that we
will incorporate into CASA (setjy?)?

On Fri, February 26, 2010 5:17 pm, George Moellenbrock wrote:
>
> All-
>
> Please see the Flux Density Calibrator Model JIRA ticket for some
> interesting results concerning bandpass calibrator spectral
> index effects for EVLA bandwidths (from the polarization dataset
> I've been reporting on separately):
>
> https://bugs.aoc.nrao.edu/browse/ECSV-43
>
> Amy's draft plan for determining requirements for and generating a
> sufficient set of f.d. model images for the EVLA is also to be found
> there.  Scroll down for my comments about spec index effects; the figures
> I refer to are listed near the top of the page (alas in alphabetized
> order which is opposite to how I refer to them!).
>
> My comment is relevant to general observing/calibration methodology, and
> I've added a comment to the relevant LSC methodology ticket (ECSV-42).
> There is no such ticket for high frequencies yet.
>
> -George
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-- 
Nicholas M. Elias II, PhD
Associate Scientist and CASA Supervisor

E-mail: nelias at nrao.edu
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