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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.259 5.64/6.722 6.277 ± 0.6671
ea02 1342 1342/1342 1342 ± 0 6.355 5.589/6.578 6.289 ± 0.6391
ea03 1342 1342/1342 1342 ± 0 6.352 5.63/7.054 6.403 ± 0.7657
ea04 1342 1342/1342 1342 ± 0 5.699 5.166/6.17 5.745 ± 0.6115
ea05 1342 1342/1342 1342 ± 0 6.195 5.376/6.803 6.12 ± 0.7069
ea06 1342 1342/1342 1342 ± 0 6.334 5.371/6.518 6.067 ± 0.6854
ea07 1342 1342/1342 1342 ± 0 6.283 5.407/6.602 6.142 ± 0.7744
ea08 1342 1342/1342 1342 ± 0 6.74 5.787/6.927 6.521 ± 0.6941
ea09 1342 1342/1342 1342 ± 0 5.727 5.17/6.492 5.872 ± 0.7078
ea10 1342 1342/1342 1342 ± 0 5.977 5.299/6.366 5.878 ± 0.637
ea11 1342 1342/1342 1342 ± 0 5.823 5.449/6.621 5.984 ± 0.7246
ea12 1342 1342/1342 1342 ± 0 5.794 5.306/6.399 5.873 ± 0.6314
ea13 1342 1342/1342 1342 ± 0 6.201 5.551/6.336 6.039 ± 0.5584
ea14 1342 1342/1342 1342 ± 0 6.312 5.626/6.66 6.23 ± 0.6207
ea15 1342 1342/1342 1342 ± 0 6.277 5.596/6.646 6.241 ± 0.737
ea16 1342 1342/1342 1342 ± 0 6.397 5.894/6.937 6.498 ± 0.7127
ea17 1342 1342/1342 1342 ± 0 6.348 5.875/7.228 6.505 ± 0.7685
ea18 1342 1342/1342 1342 ± 0 6.541 5.893/7.212 6.536 ± 0.7116
ea19 1342 1342/1342 1342 ± 0 6.29 5.549/6.758 6.224 ± 0.6661
ea20 1342 1342/1342 1342 ± 0 6.714 5.957/7.202 6.57 ± 0.7298
ea21 1342 1342/1342 1342 ± 0 5.612 5.212/6.088 5.711 ± 0.5354
ea22 1342 1342/1342 1342 ± 0 6.308 5.625/6.672 6.18 ± 0.6615
ea23 1342 1342/1342 1342 ± 0 6.206 5.443/6.38 6.099 ± 0.7067
ea24 1342 1342/1342 1342 ± 0 6.332 5.376/6.767 6.059 ± 0.7459
ea25 1342 1342/1342 1342 ± 0 6.787 5.978/7.326 6.768 ± 0.8296
ea27 1342 1342/1342 1342 ± 0 6.2 5.371/6.676 6.106 ± 0.7001
ea28 1342 1342/1342 1342 ± 0 6.523 5.864/7.1 6.479 ± 0.708
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 ± 0.00002307 5.553 5.334/5.729 5.557 ± 0.2495
4 1342 1342/1342 1342 ± 0.00002319 5.44 5.2/5.607 5.432 ± 0.3156
5 1342 1342/1342 1342 ± 0.00002307 5.53 5.333/5.819 5.558 ± 0.2983
6 1342 1342/1342 1342 ± 0.00002307 5.42 5.036/5.522 5.35 ± 0.2898
7 1342 1342/1342 1342 ± 0.00002307 5.568 5.368/5.815 5.57 ± 0.2453
8 1342 1342/1342 1342 ± 0.00002307 5.552 5.316/5.709 5.541 ± 0.2772
9 1342 1342/1342 1342 ± 0.00002307 5.827 5.749/6.032 5.859 ± 0.2947
10 1342 1342/1342 1342 ± 0.00002307 6.334 6.238/6.395 6.312 ± 0.2624
11 1342 1342/1342 1342 ± 0.00002307 6.527 6.342/6.736 6.542 ± 0.277
12 1342 1342/1342 1342 ± 0.00002307 6.668 6.406/6.938 6.689 ± 0.3292
13 1342 1342/1342 1342 ± 0.00002307 7.171 6.974/7.538 7.205 ± 0.3455
14 1342 1342/1342 1342 ± 0.00002307 7.433 7.168/7.653 7.417 ± 0.3358
15 1342 1342/1342 1342 ± 0.00002307 7.04 6.72/7.324 7.068 ± 0.3582
16 1342 1342/1342 1342 ± 0.00002307 6.516 6.202/6.808 6.484 ± 0.3688
17 1342 1342/1342 1342 ± 0.00002307 6.453 6.249/6.706 6.415 ± 0.3642
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 06:24:41.464
End
2025-07-29 07:25:27.718
Duration
1:00:46.253
Note, WebLog generation is not included in the time.

CASA logs for stage 8