[daip] SOUFIL: ALL SOURCES REJECTED BY SELECTION CRITERIA error
Eric Greisen
egreisen at nrao.edu
Tue Jan 25 18:54:20 EST 2011
Wasim Raja wrote:
> Dear Eric
> Following is the result of running PRTAB with INEXT = SU on
> a multi-format UV-data file containing a single source.
> [In case the text appears jumbled on the mail-page, I have
> also attached a text file that should be easy to view.]
>
> UVPLT fails for all apparently valid combinations of the following
> relevant parameters after it had been set to:
>
> task 'UVPLT'
> default UVPLT
> getn 1 (relevant multi format file)
> dotv 1
>
> Now the following parameters are fiddled around with, and the result of
> the UVPLT run is indicated in the success/failure column:
> ------------------------------------------------------------------------------------------------------------
> PAR Values tried sequentially
> Success/Failure
> ------------------------------------------------------------------------------------------------------------
> 1) QUAL
> -1/1 Failed
> 2) CALCODE '
> ' Failed
> 3) FREQID
> -1/1 Failed
> 4) Sources '3C345'
> ' Failed
> Sources '
> ' Succeeded
> ------------------------------------------------------------------------------------------------------------
> It is true that the source's Flux density in the SU table are all 0. But
> the
> data being gain-calibrated at earlier stages of the processing, the flux
> density scales in the "successful" UVPLT run (ie., with sources = ' ' )
> comes out correct. Only when the source-name is specified, there appears
> the problem -- " SOUFIL: ALL SOURCES REJECTED BY SELECTION CRITERIA"
> Can some trailing SPACE-charatcers in the source-name cause this problem?
>
> regards
> --wasim
>
> ----------------------------------------------------------------------------------------------------------------------------------
> >go prtab
> localhos PRTAB(31DEC10) 2234 26-JAN-2011 04:58:06 Page 1
> 3C34582 .UV . 1 Disk= 3 SU Table version 1
> Title: AIPS SU
> Created by FITLD on 26-JAN-2011 04:52:48
> Last written by FITLD on 26-JAN-2011 04:52:48
> Ncol 19 Nrow 1 Sort cols:
> Table has 4 keyword-value pairs:
> NO_IF = 1
> VELTYP = TOPOCENT
> VELDEF = RADIO
> FREQID = -1
> Table can be written as a FITS ASCII table
>
> COL. NO. 1 2 3 4 5 6
> 7 8 9 10 11
> ROW ID. NO. SOURCE QUAL CALCODE IFLUX QFLUX
> UFLUX VFLUX FREQOFF BANDWIDTH RAEPO
> NUMBER JY JY
> JY JY HZ HZ DEGREES
> 1 1 3c345 1 0.000E+00 0.000E+00
> 0.000E+00 0.000E+00 0.000000E+00 6.510416E+04 2.507450E+02
> Type Q to stop, just hit RETURN to
> continue
>
>
> localhos PRTAB(31DEC10) 2234 26-JAN-2011 04:58:10 Page 2
> COL. NO. 12 13 14
> 15 16 17 18 19
> ROW DECEPO EPOCH RAAPP DECAPP
> LSRVEL RESTFREQ PMRA PMDEC
> NUMBER DEGREES YEARS DEGREES DEGREES
> M/SEC HZ DEG/DAY DEG/DAY
> 1 3.981027E+01 2.000000E+03 2.508244E+02 3.979371E+01
> 0.000000E+00 0.000000E+00 0.000000E+00 0.000000E+00
> AIPS 1: Resumes
> >
> -------------------------------------------------------------------------------------------------------------------------------------
>
> On Mon, Jan 24, 2011 at 9:46 PM, Eric Greisen <egreisen at nrao.edu
> <mailto:egreisen at nrao.edu>> wrote:
>
> Wasim Raja wrote:
>
> Dear Eric
> I would like to know if DBCON is the right task to combine 2
> uv-datasets observed with exactly the same settings (same
> Centre-freq, same BW, same nchan, same antenna config)
> but pointing towards 2 different sources.
>
> My goal is to use one of the sources to calibrate the other;
> unfortunately the data for the 2 sources are in 2 different FITS
> files. I would also like to add that the 2 sources were observed
> with their observation times interleaved, ie., every alternate
> scan corresponds to the same source (the successive scans
> were put in different FITS-files).
>
> I used DBCON to combine the 2 single source files (after having
> converted them to MULTI-source format using task MULTI) with
> options:
> DOARR = +1
> DOPOS = -1
> DBCON "appears to have ended successfully" creating the output
> multi source file. The SU table also seem to get the correct source
> names, except that their fluxes are all 0.
>
> But when I now use UVPLT to plot *one* of these sources I get the
> following error:
> localh> UVPLT1: Task UVPLT (release of 31DEC10) begins
> localh> UVPLT1: SOUFIL: ALL SOURCES REJECTED BY SELECTION CRITERIA
> localh> UVPLT1: Purports to die of UNNATURAL causes
> localh> UVPLT1: localhost 31DEC10 TST: Cpu= 0.0 Real=
> 0
>
> However, when I select ALL sources, UVPLT does make the plots
> successfully -- the 2 sources can also be clearly distinguished by
> their fluxes.
>
>
> Could you help please? What is the right task for combining uv data
> on 2 different sources observed with the same correlator
> settings and
> the same antenna configuration?
>
>
> DBCON is precisely the correct programs for what you are attempting
> to do. We need to figure out what has not worked properly so that
> UVPLT source selection is not doing what you want. Note that the SU
> table is not supposed to have fluxes until they are entered via
> SETJY and/or GETJY. It is important to check the SU table and your
> UVPLT adverbs to see what the full name, QUAL, and CALCODE of each
> source might be. UVPLT has such adverbs and, for example, if the
> QUALs do not match your QUAL adverb value and your adverb value is
> not -1, then the sources will be rejected.
>
> Eric Greisen
>
>
>
>
> --
> Research Fellow (A&A)
> Raman Research Institute
> Bangalore--560080
>
You need source name 3c345 not 3C345
SOURCES=' '; SOURCE(1) = '3c345
in one line with no close quote and no other commands
ERic Greisen
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