[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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