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Date and Time

16:00 EDT / 14:00 MDT

Video: https://zoom.us/j/5646363780?pwd=VGxrUGFrTTUrUmZHRGQ1L3poMTN6dz09 

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All tickets pertaining to VLASS SE operations should have the VLASS-SE-OPS label.  Add VLASS-SE-DISCUSS label if it should be brought up in this meeting


News

Open Issues

  • CASA 5 and CASA 6 runs now believed to be scientifically equivalent
    • For CASA6 there appears to be a delta between running multiple tcleans in a single CASA session vs separate sessions.
  • Can we speed up the import step for the split stage.   SCG will examine where time is spent and suggest improvements and whether this should remain a s

Decisions

  • John Tobin is producing a image comparison utility
    • SCG has modified John's comparison script to allow for arguments and trivial heuristics (psf vs image etc).  Will investigate merging. 
    • Image comparison page: Image Comparison
      Jira
      serverDMS JIRA
      serverIdeb2e750b-a83a-387e-8345-36eee8a98f01
      keySRDP-545
       

Agenda

  • Pipeline
    • Good progress, up through 3rd tclean call.
    • Brian has made good progress on the mask from catalog function to simplify to use editimlist to create meta data that catalog query needs will remove some of the bespoke python for catalog fetching.
  • SSA
    • Split step is implemented, proceeding with validation
  • SCG
    • Processing 7 square degrees + 7 repeat  in AWS
    • Processing T01t34 locally
    • Investigating whether CASA gaincal bug impacts VIP script execution
    • Chasing reproducibility bugs with distributed approach

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  • SE Imaging Workflow: Is the component list generation step in the workflow or does it only run the pipeline
  • How are SE calibration products handled in the VLASS Manager (I'll explain) 
    • Decision on whether to produce a Mosaic implementation (we will produce one)
    • Pipeline available for testing (available for AWP implementation, Mosaic in progress)
    • SSA PIMS workflow validated (validated)
    • SSA SE Imaging workflow ready for testing   (In progress ?)
    • Pipeline validated  (6/10)
    • Pipeline released   (6/10)
    • SSA SE Imaging workflow validated
    • Begin operations (shooting for June 1st 25th)
    • Migrate above to htcondor (Mid/late August)
    • Accept and archive implemented

Decisions

Agenda

  • Pipeline
  • SSA 
    • PIMS testing in progress
    • SE Imaging workflow testing state 
    • HTCondor design
  • SCG
    • Verification of pipeline vs VIP script in mosaic and AWP (AWP is consistent).  Stalled for now
    • Investigation of  GPU gridder vs CASA underway

Action items

Ticket Discussions

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serverDMS JIRA
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