Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38624155.eb38643756.59104.68707053241_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.781 5.182/6.103 5.601 ± 0.6036
ea02 1342 1342/1342 1342 ± 0.00003219 5.875 5.26/6.612 5.915 ± 0.8512
ea04 1342 1342/1342 1342 ± 0.00003151 4.978 4.767/5.87 5.203 ± 0.7085
ea05 1342 1342/1342 1342 ± 0.00003033 5.484 5.096/6.458 5.666 ± 0.831
ea06 1342 1342/1342 1342 ± 0.00003078 4.837 4.631/5.415 4.945 ± 0.6016
ea07 1342 1342/1342 1342 ± 0.00001473 6.002 5.282/6.516 5.881 ± 0.6084
ea08 1342 1342/1342 1342 ± 0.00001572 6.061 5.6/6.803 6.244 ± 0.7582
ea09 1342 1342/1342 1342 ± 0.00003023 5.489 5.063/6.418 5.558 ± 0.942
ea10 1342 1342/1342 1342 ± 0.00002012 6.279 5.238/6.536 5.883 ± 0.7059
ea11 1342 1342/1342 1342 ± 0.00001931 5.755 5.113/6.376 5.694 ± 0.7929
ea12 1342 1342/1342 1342 ± 0.00002902 5.412 5.148/6.318 5.562 ± 0.7973
ea13 1342 1342/1342 1342 ± 0.00002524 5.712 5.47/6.18 5.78 ± 0.8211
ea14 1342 1342/1342 1342 ± 0.00002739 5.558 5.05/6.391 5.602 ± 0.9026
ea15 1342 1342/1342 1342 ± 0.00002983 5.332 4.963/6.166 5.504 ± 0.9073
ea16 1342 1342/1342 1342 ± 0.00002763 5.883 5.478/6.829 6.032 ± 1.024
ea17 1342 1342/1342 1342 ± 0.00002182 5.764 5.378/6.653 5.946 ± 0.7127
ea18 1342 1342/1342 1342 ± 0.00002101 4.722 4.512/5.262 4.839 ± 0.5124
ea19 1342 1342/1342 1342 ± 0.0000182 5.778 5.482/6.811 6.018 ± 0.9066
ea20 1342 1342/1342 1342 ± 0.00002779 5.683 5.505/6.466 5.896 ± 0.7841
ea21 1342 1342/1342 1342 ± 0.00002387 5.556 5.263/6.299 5.695 ± 0.8112
ea22 1342 1342/1342 1342 ± 0.00002841 5.271 5.013/6.206 5.432 ± 0.9313
ea23 1342 1342/1342 1342 ± 0.00001958 5.961 5.343/6.465 5.917 ± 0.7867
ea25 1342 1342/1342 1342 ± 0.00001461 5.636 5.226/6.352 5.751 ± 0.5886
ea26 1342 1342/1342 1342 ± 0.00002958 5.782 5.506/6.834 5.957 ± 0.9864
ea27 1342 1342/1342 1342 ± 0.00001906 5.841 5.214/6.233 5.641 ± 0.6028
ea28 1342 1342/1342 1342 ± 0.00002008 5.674 5.374/6.55 5.843 ± 0.8476
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002365 5.274 5.178/5.511 5.301 ± 0.2762
3 1342 1342/1342 1342 ± 0.00003665 4.458 4.115/4.949 4.53 ± 0.5025
5 1342 1342/1342 1342 ± 0.00002459 5.237 4.991/5.397 5.187 ± 0.3583
6 1342 1342/1342 1342 ± 0.00002349 5.232 5.058/5.375 5.202 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002365 5.217 5.088/5.454 5.217 ± 0.2705
8 1342 1342/1342 1342 ± 0.00002365 5.26 5.026/5.426 5.195 ± 0.298
9 1342 1342/1342 1342 ± 0.00002365 5.591 5.324/5.756 5.509 ± 0.3349
10 1342 1342/1342 1342 ± 0.00002365 5.987 5.789/6.153 5.931 ± 0.346
11 1342 1342/1342 1342 ± 0.00002367 6.151 6.06/6.39 6.156 ± 0.344
12 1342 1342/1342 1342 ± 0.00002393 6.422 6.177/6.65 6.39 ± 0.3676
13 1342 1342/1342 1342 ± 0.00002374 6.633 6.393/6.8 6.567 ± 0.4449
14 1342 1342/1342 1342 ± 0.00002481 6.676 6.292/7.006 6.613 ± 0.5681
15 1342 1342/1342 1342 ± 0.00003835 6.638 6.411/6.827 6.505 ± 0.6154
16 1342 1342/1342 1342 ± 0.00005062 3.355 3.178/3.522 3.352 ± 0.2841
17 1342 1342/1342 1342 ± 0.00004656 3.561 3.379/3.746 3.568 ± 0.3178
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38624155.eb38643756.59104.68707053241_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-18 14:49:32.773
End
2025-01-18 15:53:51.758
Duration
1:04:18.985
Note, WebLog generation is not included in the time.

CASA logs for stage 8