[evlatests] Very strange baseline error

[Claire Chandler]

Already done (in fact, the entire dataset has been run through the 
pipeline).  The uvw's for the first scan look fine.

Claire

On Fri, 14 Jun 2013, Michael Rupen wrote:

>
>>
>> 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...
>
> Steve is correct -- there are no uvw in the SDM.  It would be interesting
> to load at least the first scan in this data set into CASA (I presume
> Rick used BDF2AIPS) to see whether this is a BDF2AIPS-only problem.
>
>           Michael
>
>> 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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>>>
>>
>> -------------------------------------------------------------------------
>> |:| Steven T. Myers                      |:|  Tenured Astronomer       |:|
>> |:| National Radio Astronomy Observatory |:|  Ph:  (575) 835-7294      |:|
>> |:| P.O. Box O, Socorro, NM 87801        |:|  FAX: (575) 835-7027      |:|
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