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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.115 5.238/6.666 5.987 ± 0.8265
ea02 1342 1342/1342 1342 ± 0 6.233 5.655/6.49 6.174 ± 0.6573
ea03 1342 1342/1342 1342 ± 0 6.208 5.221/6.622 6.023 ± 0.7521
ea04 1342 1342/1342 1342 ± 0.00001279 5.761 5.232/6.149 5.698 ± 0.5771
ea05 1342 1342/1342 1342 ± 0 5.933 5.353/6.601 5.997 ± 0.6351
ea06 1342 1342/1342 1342 ± 0 5.908 4.955/6.144 5.754 ± 0.6911
ea07 1342 1342/1342 1342 ± 0 6.112 5.048/6.291 5.892 ± 0.7458
ea08 1342 1342/1342 1342 ± 0 6.539 5.564/6.785 6.272 ± 0.7979
ea09 1342 1342/1342 1342 ± 0 5.658 5.072/6.344 5.776 ± 0.7013
ea10 1342 1342/1342 1342 ± 0 5.503 4.958/6.009 5.488 ± 0.6488
ea11 1342 1342/1342 1342 ± 0.000003594 5.356 4.93/6.133 5.53 ± 0.6972
ea12 1342 1342/1342 1342 ± 0.0000202 5.597 5.118/6.175 5.689 ± 0.6177
ea13 1342 1342/1342 1342 ± 0 6.246 5.506/6.353 6.039 ± 0.5622
ea14 1342 1342/1342 1342 ± 0 6.032 5.553/6.558 6.056 ± 0.6202
ea15 1342 1342/1342 1342 ± 0 6.46 5.657/6.83 6.365 ± 0.726
ea16 1342 1342/1342 1342 ± 0 6.317 5.617/6.681 6.191 ± 0.7789
ea17 1342 1342/1342 1342 ± 0 6.169 5.513/7.017 6.21 ± 0.7495
ea18 1342 1342/1342 1342 ± 0 6.287 5.731/7.162 6.444 ± 0.7559
ea19 1342 1342/1342 1342 ± 0 5.974 4.82/6.613 5.788 ± 0.886
ea20 1342 1342/1342 1342 ± 0 6.438 6.281/6.735 6.558 ± 0.3905
ea21 1342 1342/1342 1342 ± 0 5.601 4.997/5.903 5.539 ± 0.5374
ea22 1342 1342/1342 1342 ± 0 6.406 5.497/6.621 6.142 ± 0.7702
ea23 1342 1342/1342 1342 ± 0 5.962 5.257/6.268 5.93 ± 0.7376
ea24 1342 1342/1342 1342 ± 0 6.118 5.049/6.468 5.781 ± 0.7729
ea25 1342 1342/1342 1342 ± 0 6.576 5.345/6.966 6.343 ± 0.9035
ea27 1342 1342/1342 1342 ± 0 5.937 5.145/6.47 5.826 ± 0.7322
ea28 1342 1342/1342 1342 ± 0 6.38 5.527/6.895 6.297 ± 0.7392
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 ± 0.00002348 5.023 4.859/5.289 5.055 ± 0.3162
4 1342 1342/1342 1342 ± 0.00003045 4.943 4.674/5.209 4.931 ± 0.3784
5 1342 1342/1342 1342 ± 0.00002359 5.226 4.981/5.528 5.244 ± 0.3078
6 1342 1342/1342 1342 ± 0.00002348 5.207 5.033/5.564 5.247 ± 0.2972
7 1342 1342/1342 1342 ± 0.00002348 5.287 5.027/5.429 5.243 ± 0.2479
8 1342 1342/1342 1342 ± 0.00002348 5.139 4.995/5.438 5.181 ± 0.2874
9 1342 1342/1342 1342 ± 0.00002348 5.492 5.276/5.727 5.495 ± 0.2708
10 1342 1342/1342 1342 ± 0.00002348 6.149 6.064/6.288 6.137 ± 0.2529
11 1342 1342/1342 1342 ± 0.00002305 6.351 6.139/6.524 6.335 ± 0.2664
12 1342 1342/1342 1342 ± 0.00002305 6.493 6.24/6.624 6.484 ± 0.3065
13 1342 1342/1342 1342 ± 0.00002305 6.976 6.597/7.145 6.908 ± 0.3349
14 1342 1342/1342 1342 ± 0.00002305 7.166 6.854/7.374 7.137 ± 0.3357
15 1342 1342/1342 1342 ± 0.00002305 6.797 6.631/7.186 6.839 ± 0.3626
16 1342 1342/1342 1342 ± 0.00002537 6.275 5.913/6.479 6.21 ± 0.4059
17 1342 1342/1342 1342 ± 0.00002491 6.249 5.973/6.46 6.185 ± 0.4035
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-24 15:46:45.864
End
2025-07-24 17:04:39.499
Duration
1:17:53.635
Note, WebLog generation is not included in the time.

CASA logs for stage 8