[daip] question about FACES

Eric Greisen egreisen at nrao.edu
Fri Aug 9 17:07:02 EDT 2013


Bryan Butler wrote:
> 
> hi eric,
> 
> i'm trying to run FACES and not succeeding.  i'm sure i'm just setting 
> some adverb incorrectly.
> 
> i have the following inputs:
> 
>  >inp
> AIPS 1: FACES:  Makes images of catalog sources for initial calibration
> AIPS 1: Adverbs     Values                 Comments
> AIPS 1: ----------------------------------------------------------------
> AIPS 1: INNAME     'SATURN'                UV dataset name (name)
> AIPS 1: INCLASS    'P BAND'                UV dataset name (class)
> AIPS 1: INSEQ         1                    UV dataset name (seq. #)
> AIPS 1: INDISK        1                    Disk drive #
> AIPS 1: SOURCES    *all ' '                Source selected
> AIPS 1: OUTNAME    'SATURN'                Output file name
> AIPS 1: OUTDISK       0                    Output disk number
> AIPS 1: CELLSIZE      2           2        (X,Y) size of grid in asec
> AIPS 1: IMSIZE     8192        8192        field size
> AIPS 1: SHIFT         0           0        Position shift (RA,Dec) asec
> AIPS 1:                                    for all fields
> AIPS 1: BMAJ         15                    Clean beam FWHM in asec
> AIPS 1: FLUX        0.001                  Minimum component flux
> AIPS 1:                                    (source * beam)
> AIPS 1: BPARM      *all 0                  (1) Inner region radius (deg)
> AIPS 1:                                    (2) Field overlap in pixels
> AIPS 1:                                    (3) Factor to scale NVSS
> AIPS 1:                                        fluxes, 0 -> 1
> AIPS 1: PBPARM     *all 0                  Beam parameters:
> AIPS 1:                                    (1) Cutoff 0 -> 0.023
> AIPS 1:                                    (2) > 0 -> Use (3)-(7)
> AIPS 1:                                    (3)-(7) Beam shape
> AIPS 1: INLIST     ' '
> AIPS 1:                                    NVSS input file name
> AIPS 1:                                    ' ' => AIPS provided.
> 
> but it finds no sources:
> 
> FACES1: Task FACES  (release of 31DEC12) begins
> FACES1: Found SATURN      P BAND Seq   1 Disk:  1 in slot  169
> FACES1: FLYEYE found     0 fields to image to  0.000 deg
> FACES1: Appears to have ended successfully
> FACES1: localhost    31DEC12 TST: Cpu=       0.0  Real=       0
> AIPS 1: Resumes
> 
> i tried it with all default adverbs as well, which gave the same result. 
>  any idea what i'm setting wrong?
>
The default imaging area is 0.0 so nothing is imaged - give it some area 
in BPARM.

Eric




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