[daip] Flux calibrator model problems with U-band VLA-only observations?

Jeff Mangum jmangum at nrao.edu
Fri May 16 16:39:51 EDT 2008


That is what I mean.  The models that CALRD finds.  It finds the 3C286 
model just fine.  When I tries to use it, though, CALIB fails.

-- Jeff

On 5/16/08 4:34 PM, Amy Mioduszewski wrote:
> Hi Jeff,
>
> What do you mean by "built in models"?  If you want to use the flux 
> calibrator models you have to load them with CALRD.  VLACALIB will 
> load and use models automatically.
>
> Amy
>
> Jeff Mangum wrote:
>> Hello,
>>
>> I have U-band-only VLA observations taken this February that I am 
>> trying to calibrate.  When I try to use CALIB with one of the 
>> built-in models for 3C286, the task simply dies without indicating 
>> what the problem might be.
>>
>> localh> CALIB1: CALIB USING 20080223     . CH 0   .   1 DISK=  1 
>> USID= 277
>> localh> CALIB1: Doing no flagging this time
>> localh> CALIB1: Purports to die of UNNATURAL causes
>>
>> I have tried modifying several input parameters, but cannot get past 
>> this point.  I wonder if the fact that my data only has 14 antennas 
>> (only those with U-band receivers) is causing problems?
>>
>> -- Jeff
>>
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