[daip] [Fwd: BB255CB and CD]

Amy Mioduszewski amiodusz at nrao.edu
Thu May 7 17:47:07 EDT 2009


Hi Andreas,

I am going to try to download your data and reproduce your problem.  Which pass 
were you doing?

Thanks,

Amy

Andreas Brunthaler wrote:
> Dear Eric,
> 
> Eric Greisen wrote:
>>> Dear Analysts,
>>>
>>> I have downloaded the data from BB255CB and CD today from  the archive
>>> (the 16 channel pass). When I try to load the two datasets with fitld
>>> and doconcat 1 I get the following error:
>>>
>>> PC2004> FITLD1: Task FITLD  (release of 31DEC09) begins
>>> PC2004> FITLD1: MISMATCH           6           2  AXIS COUNT
>>> PC2004> FITLD1: ERROR      1 RETURNED FROM UVFHDR
>>> PC2004> FITLD1: Purports to die of UNNATURAL causes
>>> PC2004> FITLD1: pc20045      31DEC09 TST: Cpu=       0.0  Real=       0
>>>
>>> The headers are almost identical:
>>>
>>> AIPS 1: Image=MULTI     (UV)         Filename=BB255C      .FXPOL .   1
>>> AIPS 1: Telescope=VLBA               Receiver=
>>> AIPS 1: Observer=BB255               User #=  255
>>> AIPS 1: Observ. date=08-APR-2009     Map date=05-MAY-2009
>>> AIPS 1: # visibilities   1046761     Sort order  TB
>>> AIPS 1: Rand axes: UU-L-SIN  VV-L-SIN  WW-L-SIN  TIME1  BASELINE
>>> AIPS 1:            SOURCE  FREQSEL  INTTIM  GATEID  CORR-ID
>>> AIPS 1: ----------------------------------------------------------------
>>> AIPS 1: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
>>> AIPS 1: COMPLEX      3   1.0000000E+00       1.00  1.0000000E+00    0.00
>>> AIPS 1: STOKES       2  -1.0000000E+00       1.00 -1.0000000E+00    0.00
>>> AIPS 1: FREQ        16   2.2197040E+10       0.53  5.0000000E+05    0.00
>>> AIPS 1: IF           4   1.0000000E+00       1.00  1.0000000E+00    0.00
>>> AIPS 1: RA           1    00 00 00.000       1.00       0.000000    0.00
>>> AIPS 1: DEC          1    00 00 00.000       1.00       0.000000    0.00
>>> AIPS 1: ----------------------------------------------------------------
>>> AIPS 1: Coordinate equinox 2000.00
>>>
>>>
>>> and
>>>
>>> AIPS 1: Image=MULTI     (UV)         Filename=BB255C      .FXPOL .   2
>>> AIPS 1: Telescope=VLBA               Receiver=
>>> AIPS 1: Observer=BB255               User #=  255
>>> AIPS 1: Observ. date=09-APR-2009     Map date=05-MAY-2009
>>> AIPS 1: # visibilities    970096     Sort order  TB
>>> AIPS 1: Rand axes: UU-L-SIN  VV-L-SIN  WW-L-SIN  TIME1  BASELINE
>>> AIPS 1:            SOURCE  FREQSEL  INTTIM  GATEID  CORR-ID
>>> AIPS 1: ----------------------------------------------------------------
>>> AIPS 1: Type    Pixels   Coord value     at Pixel     Coord incr   Rotat
>>> AIPS 1: COMPLEX      3   1.0000000E+00       1.00  1.0000000E+00    0.00
>>> AIPS 1: STOKES       2  -1.0000000E+00       1.00 -1.0000000E+00    0.00
>>> AIPS 1: FREQ        16   2.2197040E+10       0.53  5.0000000E+05    0.00
>>> AIPS 1: IF           4   1.0000000E+00       1.00  1.0000000E+00    0.00
>>> AIPS 1: RA           1    00 00 00.000       1.00       0.000000    0.00
>>> AIPS 1: DEC          1    00 00 00.000       1.00       0.000000    0.00
>>> AIPS 1: ----------------------------------------------------------------
>>> AIPS 1: Coordinate equinox 2000.00
>>>
>>> Do you have any idea why I get this error?
>>>
>>> Cheers,
>>> Andreas
>>
>> This is a bizarre looking error - the number of axes being 2 would apply
>> to some simple images perhaps although aips normally makes more axes
>> than that.  There was a bug in FITLD that I fixed in 31DEC09 on April 10
>> which conceivably could be behind this problem although the testing that
>> I did showed other issues mostly not serious.  Try bringing your version
>> up to date and re-running FITLD.
> 
> I tried it both with our MPIfR installation and on my laptop (after
> bringing it up to date). Still the same problem. However, if I load both
> files separately and use DBCON, it seems to work.
> 
> Andreas
> 
> 




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