[daip] UNKNOWN POL message
Eric Greisen
egreisen at nrao.edu
Mon Apr 2 12:22:49 EDT 2007
Brian Kent writes:
> Dear DAIP,
>
> I'm reducing some data for VLA project AK641 (extragalactic HI), and have
> encountered a message that someone might be able to help with.
>
> I am in the "Chapter 4" stage of initial calibration. I have copied the
> tables over to my line data, used 'BPASS' and 'POSSM' to calibrate and
> examine the bandpass, etc. However, I run into a problem when I use
> SPLIT:
>
> I'm getting the following message when I try to use the task SPLIT:
>
> CABORO> SPLIT1: UNKNOWN POLARIZATION PARAMETERIZATION =
> CABORO> SPLIT1: PROBLEM WITH SOURCE: HI1208+115
> CABORO> SPLIT1: FAILED TO SELECT VALID DATA
> CABORO> SPLIT1: Destroyed UV image file: catno= 3 disk= 1
> CABORO> SPLIT1: Purports to die of UNNATURAL causes
>
Can you send me the output of IMHEADER for these data?
Eric Greisen
> I searched and this is only DAIP archive message that I could find:
>
> http://listmgr.cv.nrao.edu/pipermail/daip/2001-October/001797.html
>
> I don't think that the case described case applies to me, however, the
> error message is the same. Nevertheless, I tried copying the AN table
> over to the LINE data, just as I did with the FG and CL tables. Still the
> same error message.
>
> So, I tried to start over, and simply SPLIT the raw, uncalibrated data UV
> files, and I get the same result.
>
> Have others encountered this message? If there is any more information I
> can provide, please let me know.
>
> Thanks for your time and help,
> Brian Kent
>
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