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 5.396 5.295/6.077 5.647 ± 0.4727
ea02 1342 1342/1342 1342 ± 0 6.037 5.714/6.5 6.246 ± 0.5827
ea03 1342 1342/1342 1342 ± 0 6.051 5.517/6.751 6.157 ± 0.6418
ea04 1342 1342/1342 1342 ± 0.000006559 5.411 5.23/6.023 5.572 ± 0.483
ea05 1342 1342/1342 1342 ± 0.00001241 5.673 5.384/6.535 5.929 ± 0.5887
ea06 1342 1342/1342 1342 ± 0.000004571 5.654 5.186/6.068 5.762 ± 0.5797
ea07 1342 1342/1342 1342 ± 0 5.735 5.387/6.305 5.955 ± 0.6551
ea08 1342 1342/1342 1342 ± 0 6.182 5.871/6.841 6.377 ± 0.6018
ea09 1342 1342/1342 1342 ± 0 5.643 5.19/6.393 5.762 ± 0.5802
ea10 1342 1342/1342 1342 ± 0 5.409 5.128/6.075 5.572 ± 0.5322
ea11 1342 1342/1342 1342 ± 0.00003788 5.534 4.97/6.187 5.588 ± 0.6208
ea12 1342 1342/1342 1342 ± 0.00002989 5.535 5.426/6.302 5.772 ± 0.5431
ea13 1342 1342/1342 1342 ± 0 5.931 5.689/6.441 6.095 ± 0.6065
ea14 1342 1342/1342 1342 ± 0.000003024 6.045 5.661/6.631 6.157 ± 0.5435
ea15 1342 1342/1342 1342 ± 0.00002557 5.93 5.645/6.714 6.189 ± 0.6764
ea17 1342 1342/1342 1342 ± 0 5.984 5.734/7.036 6.271 ± 0.6662
ea18 1342 1342/1342 1342 ± 0 6.309 6.027/7.13 6.542 ± 0.6232
ea19 1342 1342/1342 1342 ± 0.00003275 5.713 5.484/6.563 5.988 ± 0.553
ea20 1342 1342/1342 1342 ± 0 5.769 5.482/6.544 6.009 ± 0.5561
ea21 1342 1342/1342 1342 ± 0.000003959 5.365 5.182/5.889 5.563 ± 0.4741
ea22 1342 1342/1342 1342 ± 0 6.104 5.855/6.927 6.339 ± 0.5995
ea23 1342 1342/1342 1342 ± 0 5.711 5.428/6.298 5.904 ± 0.6197
ea24 1342 1342/1342 1342 ± 0 6.039 5.388/6.59 6 ± 0.5794
ea25 1342 1342/1342 1342 ± 0.00000498 6.464 5.781/6.89 6.474 ± 0.7417
ea28 1342 1342/1342 1342 ± 0 6.259 5.857/7.055 6.415 ± 0.6281
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 5.528 5.385/5.715 5.543 ± 0.2705
5 1342 1342/1342 1342 ± 0.00002392 5.447 5.321/5.72 5.505 ± 0.3168
6 1342 1342/1342 1342 ± 0.00002392 5.375 5.138/5.632 5.367 ± 0.3205
7 1342 1342/1342 1342 ± 0.00002392 5.47 5.333/5.696 5.503 ± 0.2594
8 1342 1342/1342 1342 ± 0.00002392 5.427 5.216/5.659 5.436 ± 0.2825
9 1342 1342/1342 1342 ± 0.00002392 5.709 5.589/5.964 5.734 ± 0.308
10 1342 1342/1342 1342 ± 0.00002392 6.179 6.03/6.379 6.156 ± 0.2811
11 1342 1342/1342 1342 ± 0.00002392 6.376 6.13/6.624 6.365 ± 0.3174
12 1342 1342/1342 1342 ± 0.00002392 6.544 6.293/6.752 6.516 ± 0.3508
13 1342 1342/1342 1342 ± 0.00002392 6.976 6.636/7.229 6.952 ± 0.3723
14 1342 1342/1342 1342 ± 0.00002392 6.948 6.615/7.358 6.974 ± 0.4455
15 1342 1342/1342 1342 ± 0.00002392 6.696 6.514/7.086 6.75 ± 0.3628
16 1342 1342/1342 1342 ± 0.00003853 5.762 5.45/6.095 5.763 ± 0.4223
17 1342 1342/1342 1342 ± 0.00004283 5.597 5.299/5.913 5.596 ± 0.383
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-19 10:21:06.936
End
2025-07-19 11:26:34.545
Duration
1:05:27.610
Note, WebLog generation is not included in the time.

CASA logs for stage 8