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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.463 5.065/6.204 5.526 ± 0.9736
ea02 1342 1342/1342 1342 ± 0.00002082 5.645 5.273/6.403 5.636 ± 0.9328
ea03 1342 1342/1342 1342 ± 0.000003517 5.293 5.181/6.655 5.706 ± 0.8992
ea04 1342 1342/1342 1342 ± 0.00004728 5.124 4.858/5.993 5.211 ± 0.7299
ea05 1342 1342/1342 1342 ± 0.00005139 5.297 4.996/6.398 5.445 ± 0.9558
ea06 1342 1342/1342 1342 ± 0.0000131 4.899 4.737/5.912 5.264 ± 0.8243
ea07 1342 1342/1342 1342 ± 0.00002622 5.144 4.962/6.251 5.427 ± 0.963
ea08 1342 1342/1342 1342 ± 0 5.849 5.454/6.713 5.952 ± 0.8773
ea09 1342 1342/1342 1342 ± 0.00004747 4.943 4.629/5.932 5.077 ± 0.7731
ea10 1342 1342/1342 1342 ± 0.00004755 5.013 4.613/6.043 5.133 ± 0.8936
ea11 1342 1342/1342 1342 ± 0.00004972 5.253 4.569/6.271 5.297 ± 0.8968
ea12 1342 1342/1342 1342 ± 0.00004513 5.122 4.905/5.933 5.214 ± 0.8258
ea14 1342 1342/1342 1342 ± 0.00005087 5.548 5.255/6.494 5.579 ± 0.9104
ea15 1342 1342/1342 1342 ± 0.00005179 5.558 4.902/6.529 5.601 ± 1.005
ea16 1342 1342/1342 1342 ± 0.00001557 5.671 5.155/6.628 5.734 ± 0.9624
ea17 1342 1342/1342 1342 ± 0.00003156 5.605 5.287/6.501 5.733 ± 0.9715
ea18 1342 1342/1342 1342 ± 0 5.722 5.45/6.802 5.926 ± 0.9818
ea19 1342 1342/1342 1342 ± 0.00003993 5.179 5.03/6.257 5.524 ± 0.8333
ea20 1342 1342/1342 1342 ± 0.00004449 5.821 5.501/6.88 5.864 ± 0.996
ea21 1342 1342/1342 1342 ± 0.00000334 5.107 4.902/5.892 5.365 ± 0.6097
ea22 1342 1342/1342 1342 ± 0.00001656 5.637 5.126/6.45 5.615 ± 0.9081
ea23 1342 1342/1342 1342 ± 0.00004888 5.54 5.105/6.332 5.542 ± 0.9264
ea24 1342 1342/1342 1342 ± 0.000009039 5.314 5.029/6.293 5.581 ± 0.7554
ea25 1342 1342/1342 1342 ± 0.00000995 5.648 5.378/6.854 6.06 ± 0.957
ea27 1342 1342/1342 1342 ± 0.000004792 5.198 4.931/6.305 5.468 ± 0.808
ea28 1342 1342/1342 1342 ± 0.00001445 5.601 5.35/6.711 5.814 ± 0.909
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 ± 0.00002353 5.18 4.978/5.291 5.16 ± 0.2561
4 1342 1342/1342 1342 ± 0.00006023 3.594 3.486/3.775 3.634 ± 0.209
5 1342 1342/1342 1342 ± 0.00002511 5.108 4.911/5.349 5.12 ± 0.3224
6 1342 1342/1342 1342 ± 0.00002353 5.185 4.939/5.48 5.209 ± 0.2961
7 1342 1342/1342 1342 ± 0.00002353 5.248 4.99/5.407 5.213 ± 0.2646
8 1342 1342/1342 1342 ± 0.00002353 5.22 5.032/5.497 5.237 ± 0.2971
9 1342 1342/1342 1342 ± 0.00002353 5.552 5.34/5.788 5.551 ± 0.3166
10 1342 1342/1342 1342 ± 0.00002353 6.118 5.872/6.267 6.085 ± 0.2907
11 1342 1342/1342 1342 ± 0.00002353 6.351 6.185/6.504 6.354 ± 0.2842
12 1342 1342/1342 1342 ± 0.00002353 6.543 6.29/6.663 6.5 ± 0.3218
13 1342 1342/1342 1342 ± 0.00002355 6.876 6.462/7.129 6.823 ± 0.3553
14 1342 1342/1342 1342 ± 0.00004898 6.08 5.763/6.438 6.18 ± 0.5995
15 1342 1342/1342 1342 ± 0.00002353 6.704 6.324/6.979 6.666 ± 0.3762
16 1342 1342/1342 1342 ± 0.00006104 4.302 4.045/4.763 4.411 ± 0.4652
17 1342 1342/1342 1342 ± 0.00006103 4.213 4.023/4.507 4.3 ± 0.3638
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 16:19:56.473
End
2025-07-22 17:06:46.156
Duration
0:46:49.683
Note, WebLog generation is not included in the time.

CASA logs for stage 8