[daip] [!10984]: AIPS - SAD 5: ZABORS: signal 11 received... SAD 5: ABORT!... AIPS 5: TASK QUIT WITHOUT RESUMING ME

[Robert Gray]

Robert Gray updated #10984
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SAD  5: ZABORS: signal 11 received... SAD  5: ABORT!... AIPS 5: TASK QUIT WITHOUT RESUMING ME
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           Ticket ID: 10984
                 URL: https://help.nrao.edu/staff/index.php?/Tickets/Ticket/View/10984
                Name: Robert Gray
       Email address: roberthansengray at gmail.com
             Creator: User
          Department: AIPS Data Reduction
       Staff (Owner): -- Unassigned --
                Type: Issue
              Status: Open
            Priority: Default
                 SLA: NRAO E2E
      Template group: Default
             Created: 12 September 2017 10:23 PM
             Updated: 12 September 2017 10:23 PM
           Reply due: 14 September 2017 10:23 PM (2d 0h 0m)
      Resolution due: 08 June 2020 12:00 AM (999d 1h 37m)

Hi!
 My IMAGR/SAD feature finding procedure fails repeatedly at the same point in processing with the same message below, although it runs on many similar files including this one in the past (with a different number of records aggregated in each of many image cubes).  Any idea what might be generating the messages below (more of it at the end)?...
SAD  5: Successfully solved      2 islands, all converged
SAD  5:      1 islands broken into multiple sources
SAD  5:      1 of these were complex rather than multi-peaked
SAD  5:      1 apparently complex islands failed to break into 2
SAD  5: Resulting number of sources fit is     3
SAD  5: ZABORS: signal 11 received
SAD  5: ABORT!
AIPS 5: TASK QUIT WITHOUT RESUMING ME
 I have seen this message when SAD failed on strong RFI, but I have imaged this channel and others nearby and don’t see any problem.  I have not tried rebuilding the UV file.
 Thanks for any insights!
 Best wishes,
 Bob Gray 
 ...
AIPS 5: '*** SRCS 2017-04-04'
AIPS 5: '*** QIMVAL PIXVAL='             1.3251249
AIPS 5: '*** QIMVAL ERROR ='            -1
AIPS 5: '*** RUNNING IMEAN, CHANNEL (NOT BLANKED):'
AIPS 5:     52
AIPS 5: Waiting for returned adverbs
IMEAN5: Task IMEAN  (release of 31DEC16) begins
IMEAN5: Initial guess for PIXSTD taken from ACTNOISE in header
IMEAN5: Guess is Mean= 2.2055E-02  Rms= 1.1063E+00
IMEAN5: Draw gaussian fit
IMEAN5: GFINIS: number records used      19
IMEAN5: Successful plot file (histogram) version     50
IMEAN5: Image= 160921WOW-X-.020145.   1 1   xywind=   10   10 1014 1014
IMEAN5: Mean and rms found by fitting peak in histogram:
IMEAN5: Mean=-5.0082E-03 Rms= 9.5740E-01  **** from histogram
IMEAN5: Mean and rms found by including all data:
LOGFILE FOR USER 1111 GETTING LARGE: USE PRTMSG AND CLRMSG NOW!        
IMEAN5: Mean=-4.481E-05 Rms= 9.562E-01 JY/BEAM  over     1010025. pixels
IMEAN5: Flux density = -1.6665E-01 Jy      beam area = 271.56 pixels
IMEAN5: Minimum=-3.7950E+00 at 1013  668   52    1
IMEAN5: Skypos: RA 19 15 46.506  DEC -26 08 50.31
IMEAN5: Maximum= 5.0002E+00 at  487  543   52    1
IMEAN5: Skypos: RA 19 27 30.120  DEC -26 47 59.75
IMEAN5: Skypos: 1418.219 MHz  IPOL
IMEAN5: returns adverbs to AIPS
IMEAN5: Appears to have ended successfully
IMEAN5: localhos 31DEC16 TST: Cpu=      0.0  Real=      0  IO=         4
AIPS 5: Resumes
AIPS 5: IMEAN    was not found to be running
AIPS 5: '*** IMEAN ASSIGNED ACTNOISE, PIXSTD='         0.9574009
AIPS 5: '*** RUNNING SAD, CHANNEL='                   52
SAD  5: Task SAD    (release of 31DEC16) begins
SAD  5: ZTXOP2: using translated file name =
SAD  5: ZTXOP2: /home/rgray/160921WOW-X_CUB_XX_1024_18_60S_401_500.SAD
SAD  5: Create 160921WOW-X-.RESID .   1 (MA)  on disk  1  cno   82
SAD  5: True rms taken from ACTNOISE in header = 9.574E-01
SAD  5: Looking for up to  800 sources in subfield:
SAD  5: BLC:      10.     10.     52.      1.      1.      1.      1.
SAD  5: TRC:    1014.   1014.     52.      1.      1.      1.      1.
SAD  5: Using Clean beam 604.31555 128.25032  -29.81 from CG table
SAD  5: Searching down to  11.488811 (JY/BEAM )  pass 1
SAD  5: Found no new islands in pass 1
SAD  5: Searching down to   7.659207 (JY/BEAM )  pass 2
SAD  5: Found no new islands in pass 2
SAD  5: Searching down to   5.744406 (JY/BEAM )  pass 3
SAD  5: Found no new islands in pass 3
SAD  5: Searching down to   4.787004 (JY/BEAM )  pass 4
SAD  5: Found      1 Islands in pass 4
SAD  5: Searching down to   3.829604 (JY/BEAM )  pass 5
SAD  5: Found      1 Islands in pass 5
SAD  5: Successfully solved      2 islands, all converged
SAD  5:      1 islands broken into multiple sources
SAD  5:      1 of these were complex rather than multi-peaked
SAD  5:      1 apparently complex islands failed to break into 2
SAD  5: Resulting number of sources fit is     3
SAD  5: ZABORS: signal 11 received
SAD  5: ABORT!
AIPS 5: TASK QUIT WITHOUT RESUMING ME
AIPS 5: Begin check for any 'standard' scratch files
AIPS 5: Scratch files -- destroyed:    0  still active:    5
AIPS 5: Resumes

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