[evlatests] Very strange baseline error
Steven T. Myers
smyers at nrao.edu
Fri Jun 14 07:09:27 EDT 2013
I am assuming that by "baselines" you mean the u,v,w? If so, then I was
under the strong impression that those are not in the SDM but calculated
in the fillers (e.g. BDF2AIPS, asdm2MS) from antenna positions, time, and
position. Thus I guess the question is then how the filler got confused...
On Thu, 13 Jun 2013, Rick Perley wrote:
> The 30-hour flux densities run demonstrated a possibly unique
> problem with baselines: The first source observed (J0217+7349) had
> baselines scaled over 1000 times too large! The source was observed
> multiple times during the 30 hours -- for each scan, the same baseline
> scaling error occurred. No other source suffered this problem. (And
> UVFIX repaired the problem). I dismissed this as a 'one-of' issue.
>
> But it isn't. The follow-up 'Flux Redux' run suffers exactly the
> same problem, with the same source. It was also the first object in the
> file.
>
> Any ideas here?
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