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

Statwt Summary Plot

VLASS3.2.sb45478884.eb45758950.60430.75354622686_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 5.771 5.245/6.176 5.729 ± 0.5637
ea02 1342 1342/1342 1342 ± 0.00002333 6.225 5.419/6.397 6.046 ± 0.6873
ea03 1342 1342/1342 1342 ± 0 6.045 5.332/6.621 6.011 ± 0.7017
ea04 1342 1342/1342 1342 ± 0.00003357 5.543 5.163/6.111 5.629 ± 0.6196
ea05 1342 1342/1342 1342 ± 0.00003665 5.869 5.619/6.506 6.006 ± 0.6233
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0 6.064 5.229/6.201 5.933 ± 0.672
ea08 1342 1342/1342 1342 ± 0 6.425 5.563/6.736 6.259 ± 0.646
ea09 1342 1342/1342 1342 ± 0.00001851 5.665 5.105/6.42 5.731 ± 0.6569
ea10 1342 1342/1342 1342 ± 0 5.5 5.009/6.066 5.587 ± 0.5894
ea11 1342 1342/1342 1342 ± 0.00004118 5.364 4.991/6.125 5.532 ± 0.6854
ea12 1342 1342/1342 1342 ± 0.000009186 5.433 5.251/6.286 5.668 ± 0.6288
ea13 1342 1342/1342 1342 ± 0 5.776 5.369/6.189 5.873 ± 0.5532
ea14 1342 1342/1342 1342 ± 0.00002303 5.962 5.479/6.584 6.013 ± 0.6399
ea15 1342 1342/1342 1342 ± 0.00004099 6.017 5.423/6.446 6.025 ± 0.6796
ea16 1342 1342/1342 1342 ± 0 6.028 5.493/6.673 6.066 ± 0.7083
ea17 1342 1342/1342 1342 ± 0 6.186 5.617/6.996 6.191 ± 0.7608
ea18 1342 1342/1342 1342 ± 0 6.447 5.729/6.943 6.349 ± 0.653
ea19 1342 1342/1342 1342 ± 0.000001555 5.663 5.238/6.397 5.834 ± 0.5991
ea20 1342 1342/1342 1342 ± 0 6.099 5.602/6.698 6.163 ± 0.695
ea21 1342 1342/1342 1342 ± 0 5.444 5.038/5.983 5.534 ± 0.5524
ea22 1342 1342/1342 1342 ± 0 6.446 5.629/6.892 6.299 ± 0.701
ea23 1342 1342/1342 1342 ± 0 5.896 5.638/6.367 6.046 ± 0.6447
ea24 1342 1342/1342 1342 ± 0 5.867 5.09/6.342 5.734 ± 0.6141
ea25 1342 1342/1342 1342 ± 0 6.463 5.578/6.863 6.352 ± 0.7776
ea27 1342 1342/1342 1342 ± 0 5.798 5.314/6.467 5.869 ± 0.6111
ea28 1342 1342/1342 1342 ± 0 6.126 5.578/6.819 6.129 ± 0.6691
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 ± 0.00002379 5.362 5.235/5.517 5.364 ± 0.212
4 1342 1342/1342 1342 ± 0.00004151 5.082 4.742/5.176 5.019 ± 0.3054
5 1342 1342/1342 1342 ± 0.00002887 5.018 4.84/5.388 5.077 ± 0.3434
6 1342 1342/1342 1342 ± 0.00002381 5.167 5.011/5.388 5.197 ± 0.2658
7 1342 1342/1342 1342 ± 0.00002379 5.335 5.161/5.464 5.319 ± 0.2208
8 1342 1342/1342 1342 ± 0.00002379 5.289 5.117/5.472 5.296 ± 0.2504
9 1342 1342/1342 1342 ± 0.00002379 5.639 5.469/5.891 5.635 ± 0.2723
10 1342 1342/1342 1342 ± 0.00002379 6.08 5.919/6.217 6.077 ± 0.2309
11 1342 1342/1342 1342 ± 0.00002379 6.357 6.152/6.5 6.316 ± 0.2527
12 1342 1342/1342 1342 ± 0.00002379 6.4 6.19/6.656 6.466 ± 0.2904
13 1342 1342/1342 1342 ± 0.00002352 6.947 6.596/7.146 6.887 ± 0.3152
14 1342 1342/1342 1342 ± 0.00002379 7.085 6.772/7.277 7.024 ± 0.3091
15 1342 1342/1342 1342 ± 0.00002379 6.704 6.46/6.948 6.681 ± 0.3369
16 1342 1342/1342 1342 ± 0.00004808 5.921 5.608/6.253 5.939 ± 0.3879
17 1342 1342/1342 1342 ± 0.00004488 5.87 5.668/6.217 5.909 ± 0.374
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45478884.eb45758950.60430.75354622686_split_split.ms
output_dir
 
Start time
2025-07-18 05:27:50.875
End
2025-07-18 06:03:11.817
Duration
0:35:20.942
Note, WebLog generation is not included in the time.

CASA logs for stage 8