[daip] SOUFIL: ALL SOURCES REJECTED BY SELECTION CRITERIA error
Wasim Raja
wasimraja81 at gmail.com
Tue Jan 25 19:25:03 EST 2011
On Wed, Jan 26, 2011 at 5:24 AM, Eric Greisen <egreisen at nrao.edu> wrote:
> 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
>
Thanks Eric,
Your trick worked.
regards
--wasim
--
Research Fellow (A&A)
Raman Research Institute
Bangalore--560080
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