[daip] [Fwd: BB255CB and CD]

[Andreas Brunthaler]

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


-- 
  \_________________________________________________________________

 Andreas Brunthaler
 Max-Planck-Institut fuer Radioastronomie

 Auf dem Huegel 69            Tel.   :  +49 228 525 377
 53121 Bonn                   Fax    :  +49 228 525 229
 Germany                      e-mail :  brunthal at mpifr-bonn.mpg.de
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