[daip] IMAGR issue
Eric Greisen
egreisen at nrao.edu
Fri Jun 10 10:45:26 EDT 2011
Avanti Tilak wrote:
> Hi Eric,
>
> I tried running it with SOURCES=' ', it gave the same error message.
>
> Here is the output from IMHEAD.
>
>> imhead
> AIPS 1: Image=J0155+04 (UV) Filename=J0155+0438 .SPLIT . 1
> AIPS 1: Telescope=VLBA Receiver=VLBA
> AIPS 1: Observer=BO015 User #= 1000
> AIPS 1: Observ. date=28-FEB-2003 Map date=06-JUN-2011
> AIPS 1: # visibilities 113887 Sort order TB
> AIPS 1: Rand axes: UU-L-SIN VV-L-SIN WW-L-SIN TIME1 BASELINE
> AIPS 1: 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 4 -1.0000000E+00 1.00 -1.0000000E+00 0.00
> AIPS 1: FREQ 1 1.6674588E+09 1.00 1.6000000E+07 0.00
> AIPS 1: IF 1 1.0000000E+00 1.00 1.0000000E+00 0.00
> AIPS 1: RA 1 01 55 03.726 1.00 3600.000 0.00
> AIPS 1: DEC 1 04 38 30.347 1.00 3600.000 0.00
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: Coordinate equinox 2000.00
> AIPS 1: Rest freq 0.000 Vel type: OPTICAL wrt YOU
> AIPS 1: Alt ref. value 0.00000E+00 wrt pixel 0.00
> AIPS 1: Maximum version number of extension files of type NX is 1
> AIPS 1: Maximum version number of extension files of type FQ is 1
> AIPS 1: Maximum version number of extension files of type HI is 1
> AIPS 1: Maximum version number of extension files of type OB is 1
> AIPS 1: Maximum version number of extension files of type WX is 1
> AIPS 1: Maximum version number of extension files of type AN is 1
> AIPS 1: Keyword = 'OLDRFQ ' value = 1.65949000D+09
> AIPS 1: Keyword = 'SUBARRAY' value = 1
>
>
> Avanti
>
>
> On Jun 9, 2011, at 3:17 PM, Eric Greisen wrote:
>
>> Avanti Tilak wrote:
>>> Hi Eric,
>>> This is a continuum data set. I am attaching a text file with the output from uvprt. Thanks.
>> The IMHEAD would have helped - I wonder if the source name has been truncated. Try IMAGR with SOURCES=' ' since this is a single-source SPLIT file.
>>
>> Eric Greisen
>>
>
I suspect that your CELLSIZE is way too large.
Try
task = 'setfc'
imsize = 0
cellsi = 0
bparm = 0.003,0
and see what it suggests for a cellsize.
ERic Greisen
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