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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 6.064 5.143/6.536 5.811 ± 0.9012
ea03 1342 1342/1342 1342 ± 0.00003362 4.855 4.711/6.001 5.207 ± 0.7726
ea04 1342 1342/1342 1342 ± 0.00003909 5.348 5.005/6.113 5.48 ± 0.7522
ea05 1342 1342/1342 1342 ± 0.00001531 5.007 4.446/5.357 4.968 ± 0.6346
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002769 5.597 5.246/6.222 5.746 ± 0.8616
ea08 1342 1342/1342 1342 ± 0.000038 6.212 5.332/6.74 6.009 ± 0.9656
ea09 1342 1342/1342 1342 ± 0.00003913 5.503 5.117/6.484 5.66 ± 0.8365
ea10 1342 1342/1342 1342 ± 0.00003629 5.627 5.153/6.715 5.797 ± 0.9565
ea11 1342 1342/1342 1342 ± 0.00003686 5.432 4.981/6.549 5.689 ± 1.002
ea12 1342 1342/1342 1342 ± 0.00003858 5.437 5.232/6.505 5.745 ± 0.8916
ea13 1342 1342/1342 1342 ± 0.00003948 6.024 5.311/6.325 5.856 ± 0.8511
ea14 1342 1342/1342 1342 ± 0.00003083 5.497 5.2/6.466 5.731 ± 0.9195
ea15 1342 1342/1342 1342 ± 0.000004509 2.408 2.297/2.777 2.519 ± 0.4418
ea16 1342 1342/1342 1342 ± 0.00003036 5.946 5.345/6.777 5.916 ± 1.092
ea17 1342 1342/1342 1342 ± 0.00003647 6.095 5.696/7.331 6.199 ± 1.028
ea18 1342 1342/1342 1342 ± 0.00003741 4.555 4.369/5.557 4.818 ± 0.7137
ea19 1342 1342/1342 1342 ± 0.00002372 5.588 5.203/6.351 5.694 ± 0.8817
ea20 1342 1342/1342 1342 ± 0.00003815 5.677 5.455/6.942 6.012 ± 1.001
ea21 1342 1342/1342 1342 ± 0.00001587 5.542 5.142/6.417 5.66 ± 0.9084
ea23 1342 1342/1342 1342 ± 0.00002471 5.653 5.405/6.65 5.936 ± 0.99
ea24 1342 1342/1342 1342 ± 0.00003882 5.904 5.187/6.449 5.709 ± 0.8155
ea25 1342 1342/1342 1342 ± 0.00003599 5.441 5.105/6.343 5.59 ± 0.8404
ea26 1342 1342/1342 1342 ± 0.00003459 5.805 5.461/6.824 5.942 ± 0.9326
ea27 1342 1342/1342 1342 ± 0.00003617 5.256 5.001/6.448 5.601 ± 0.8493
ea28 1342 1342/1342 1342 ± 0.00003711 5.259 5.073/6.207 5.549 ± 0.7788
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 ± 0.00002394 5.183 4.906/5.418 5.04 ± 0.6134
5 1342 1342/1342 1342 ± 0.00002394 5.5 5.223/5.858 5.387 ± 0.8157
6 1342 1342/1342 1342 ± 0.00002394 5.195 4.962/5.341 5.021 ± 0.6288
7 1342 1342/1342 1342 ± 0.00002394 5.214 5.08/5.386 5.088 ± 0.6449
8 1342 1342/1342 1342 ± 0.00002394 5.193 5.061/5.328 5.079 ± 0.6555
9 1342 1342/1342 1342 ± 0.00002394 5.373 5.149/5.519 5.192 ± 0.663
10 1342 1342/1342 1342 ± 0.00002394 6.03 5.706/6.128 5.799 ± 0.7704
11 1342 1342/1342 1342 ± 0.00002394 6.293 6.062/6.395 6.085 ± 0.7655
12 1342 1342/1342 1342 ± 0.00002394 6.487 6.216/6.632 6.302 ± 0.8073
13 1342 1342/1342 1342 ± 0.00002394 6.871 6.639/7.098 6.732 ± 0.799
14 1342 1342/1342 1342 ± 0.00002394 7.096 6.758/7.241 6.861 ± 0.854
15 1342 1342/1342 1342 ± 0.00002548 6.634 6.328/6.913 6.451 ± 0.8706
16 1342 1342/1342 1342 ± 0.00005555 3.999 3.883/4.116 3.903 ± 0.5503
17 1342 1342/1342 1342 ± 0.00005431 4.104 3.973/4.271 4.036 ± 0.4856
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-11 15:39:28.170
End
2025-01-11 16:39:52.260
Duration
1:00:24.090
Note, WebLog generation is not included in the time.

CASA logs for stage 8