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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 4.811 4.625/5.244 4.904 ± 0.3785
ea02 1342 1342/1342 1342 ± 0 6.247 5.579/6.439 6.177 ± 0.6055
ea03 1342 1342/1342 1342 ± 0 6.087 5.4/6.601 6.091 ± 0.705
ea04 1342 1342/1342 1342 ± 0.00001175 5.653 5.185/5.987 5.71 ± 0.5409
ea05 1342 1342/1342 1342 ± 0.000005485 5.594 5.372/6.424 5.853 ± 0.6063
ea06 1342 1342/1342 1342 ± 0 5.917 5.093/6.156 5.727 ± 0.6128
ea07 1342 1342/1342 1342 ± 0 6.027 5.18/6.248 5.873 ± 0.6976
ea08 1342 1342/1342 1342 ± 0 6.348 5.608/6.728 6.294 ± 0.6634
ea09 1342 1342/1342 1342 ± 0 5.661 5.153/6.368 5.675 ± 0.6435
ea10 1342 1342/1342 1342 ± 0 5.576 5.039/6.039 5.547 ± 0.5542
ea11 1342 1342/1342 1342 ± 0.00003591 5.199 5.027/6.143 5.504 ± 0.6309
ea12 1342 1342/1342 1342 ± 0.00001643 5.395 5.238/6.076 5.699 ± 0.5543
ea13 1342 1342/1342 1342 ± 0 5.849 5.548/6.396 5.947 ± 0.6443
ea14 1342 1342/1342 1342 ± 0 5.853 5.514/6.451 6.006 ± 0.5625
ea15 1342 1342/1342 1342 ± 0.00001479 5.88 5.395/6.49 5.955 ± 0.7037
ea17 1342 1342/1342 1342 ± 0 6.142 5.773/6.959 6.288 ± 0.6796
ea18 1342 1342/1342 1342 ± 0 6.444 5.735/6.973 6.322 ± 0.6884
ea19 1342 1342/1342 1342 ± 0.000001781 5.965 5.315/6.331 5.917 ± 0.6245
ea20 1342 1342/1342 1342 ± 0 5.787 5.458/6.568 5.961 ± 0.6154
ea21 1342 1342/1342 1342 ± 0 5.381 5.043/5.837 5.475 ± 0.4731
ea22 1342 1342/1342 1342 ± 0 6.331 5.758/6.898 6.303 ± 0.7248
ea23 1342 1342/1342 1342 ± 0 6.062 5.423/6.309 6.023 ± 0.6825
ea24 1342 1342/1342 1342 ± 0 5.952 5.115/6.418 5.772 ± 0.6731
ea25 1342 1342/1342 1342 ± 0 6.503 5.624/6.911 6.447 ± 0.7922
ea28 1342 1342/1342 1342 ± 0 6.126 5.689/6.882 6.226 ± 0.6581
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 ± 0.00002392 5.408 5.098/5.539 5.335 ± 0.2963
4 1342 1342/1342 1342 ± 0.00002634 5.076 4.874/5.142 5.019 ± 0.299
5 1342 1342/1342 1342 ± 0.00002392 5.367 5.145/5.604 5.353 ± 0.3061
6 1342 1342/1342 1342 ± 0.00002392 5.306 5.072/5.518 5.28 ± 0.3038
7 1342 1342/1342 1342 ± 0.00002392 5.388 5.182/5.553 5.353 ± 0.2887
8 1342 1342/1342 1342 ± 0.00002392 5.321 5.16/5.511 5.304 ± 0.3006
9 1342 1342/1342 1342 ± 0.00002392 5.586 5.466/5.844 5.599 ± 0.3432
10 1342 1342/1342 1342 ± 0.00002392 6.133 5.932/6.281 6.056 ± 0.3291
11 1342 1342/1342 1342 ± 0.00002392 6.367 6.095/6.496 6.249 ± 0.3645
12 1342 1342/1342 1342 ± 0.00002392 6.42 6.091/6.638 6.38 ± 0.3983
13 1342 1342/1342 1342 ± 0.00002392 6.882 6.596/7.173 6.845 ± 0.4544
14 1342 1342/1342 1342 ± 0.00002392 7.043 6.716/7.307 6.986 ± 0.4697
15 1342 1342/1342 1342 ± 0.00002392 6.741 6.43/7.002 6.722 ± 0.4286
16 1342 1342/1342 1342 ± 0.00002933 5.954 5.674/6.4 6 ± 0.4917
17 1342 1342/1342 1342 ± 0.00003688 6.061 5.651/6.247 5.944 ± 0.4648
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-18 11:08:38.925
End
2025-07-18 11:53:49.393
Duration
0:45:10.468
Note, WebLog generation is not included in the time.

CASA logs for stage 8