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CASA/JIVE VLBI Coordination Meeting
2019 September 25 @ 1400UTC
Attendance: George, Justin, Ryan, Mark, Ilse
Future Meeting dates (usually last Wed of the month):
NEXT Meeting: 2019 Oct 30, 1400 UTC (beware daylight savings in Europe!)
2019 Nov 27? (Will probably revise due to Thanksgiving, vacations, etc.)
CASA 5.6.0 released 2019 Aug 08
CASA 6.0 pending
CASA 5.6.1 (ALMA pipeline)
delivered to JAO (public release TBD)
CASA 5.6.2 (VLASS) pending
EHT-related article planned for next newsletter, ~October
Contribution from Michael Janssen, via Ilse; coordinated by Bjorn
CASA User Committee (Oct 3-4): VLBI presentation CONTENT
(George to provide draft slides by Sep 27)
CASA VLBI Status (admin)
Development progress, ongoing work, requirements doc/todo list
New VLBA staff
Contribution to EHT
George at JIVE (Oct 11,14-16) TOPICS:
CAS-665: corr-dep flagging
CAS-12591: spwmap issues
CC tables to componentlist
Poln Calibration (resolved models)
fringefit solutions and plotms
fringefit fit parameter modes, cf FFT-only, other options
(Ryan) General CASA ADASS poster to mention VLBI collaboration with JIVE, reference Des' poster
(Mark) Requirements collation
Mark finalizing this document, including acknowledgment of prior authors
Work plan describing how/when CASA can replace AIPS (FY2020 NRAO/DMS Program Operating Plan)
VLBI Integration branch: CAS-12325
Items for CASA 6.0
(Mark) CAS-12682: fringefit task: coordinating with Bob Garwood
Stakeholder inputs for CASA 5.7/6.1
See VLBI section
(George) VLBI delivery plan pending at:
George to populate VLBI-specific work there, asap.
Items for CASA 5.7/6.1 (need CAS tickets for many of the following).
(Much of this to be discussed in person at JIVE Oct 11-16.)
(George) Support correlation-dependent flagging, with user option (CAS-695).
(Mark) Spectral-line / astrometry support
Fringe fitting on a single channel (or multiple channels with delay turned off) (CAS-12553)
Spectral window mapping issues (CAS-12591); also refFreq issues
Updated EOP corrections (fixvis; cf antpos, etc.)
(Des) Dispersive term solve, including user control and an FFT-based option for estimating the dispersive term.
(George/Des) Convert CC tables to image or
for resolved model-setting
(Des) Wide bandwidth
(George) Per-scan interpolation option?
(George) Overlapping solution intervals?
(Des) CAS-12485? fringefit weighting control (test data options pending)
(Des) Baseline stacking?
(Walter) Advanced VLBA Amplitude calibration a la Walker memo from a few years ago?
Bandpass normalization flexibility: voltage vs. power
(Mark) CAS-12652: fringefit verification test status? (Also CAS-12693: single-pol).
spectral window mapping bug
Needs further investigation.... I suspect this requires additional work addressing differing spw populations in MS and
(Des) Michael Janssen has found a so-far unreproducible bug (GSL return codes)... Progress?
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