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 6.25 5.509/6.626 6.136 ± 0.6721
ea02 1342 1342/1342 1342 ± 0 6.327 5.547/6.617 6.242 ± 0.6596
ea03 1342 1342/1342 1342 ± 0 6.282 5.437/6.937 6.282 ± 0.7935
ea04 1342 1342/1342 1342 ± 0 5.636 5.099/6.122 5.669 ± 0.636
ea05 1342 1342/1342 1342 ± 0 6.105 5.262/6.735 5.995 ± 0.7192
ea06 1342 1342/1342 1342 ± 0 6.223 5.193/6.429 5.938 ± 0.7018
ea07 1342 1342/1342 1342 ± 0 6.157 5.179/6.484 5.986 ± 0.7762
ea08 1342 1342/1342 1342 ± 0 6.61 5.597/6.814 6.376 ± 0.7152
ea09 1342 1342/1342 1342 ± 0 5.677 5.046/6.431 5.74 ± 0.7167
ea10 1342 1342/1342 1342 ± 0 5.877 5.139/6.26 5.752 ± 0.6423
ea11 1342 1342/1342 1342 ± 0 5.76 5.307/6.531 5.877 ± 0.7371
ea12 1342 1342/1342 1342 ± 0 5.789 5.229/6.416 5.862 ± 0.6352
ea13 1342 1342/1342 1342 ± 0 6.026 5.388/6.291 5.919 ± 0.5687
ea14 1342 1342/1342 1342 ± 0 6.167 5.486/6.517 6.092 ± 0.6389
ea15 1342 1342/1342 1342 ± 0 6.146 5.451/6.558 6.062 ± 0.7262
ea16 1342 1342/1342 1342 ± 0 6.316 5.693/6.781 6.306 ± 0.731
ea17 1342 1342/1342 1342 ± 0 6.226 5.7/7.124 6.376 ± 0.755
ea18 1342 1342/1342 1342 ± 0 6.45 5.768/7.103 6.389 ± 0.7391
ea19 1342 1342/1342 1342 ± 0 6.165 5.406/6.658 6.107 ± 0.6681
ea20 1342 1342/1342 1342 ± 0 6.461 5.805/7.125 6.417 ± 0.7327
ea21 1342 1342/1342 1342 ± 0 5.641 5.185/6.129 5.68 ± 0.5657
ea22 1342 1342/1342 1342 ± 0 6.231 5.476/6.541 6.064 ± 0.6716
ea23 1342 1342/1342 1342 ± 0 6.188 5.343/6.337 6.024 ± 0.7237
ea24 1342 1342/1342 1342 ± 0 6.186 5.035/6.563 5.778 ± 0.8804
ea25 1342 1342/1342 1342 ± 0 6.672 5.889/7.262 6.701 ± 0.8446
ea27 1342 1342/1342 1342 ± 0 6.102 5.31/6.574 5.984 ± 0.6989
ea28 1342 1342/1342 1342 ± 0 6.368 5.741/6.977 6.332 ± 0.7144
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 ± 0.000024 5.402 5.236/5.573 5.382 ± 0.2809
4 1342 1342/1342 1342 ± 0.00002524 5.176 5.039/5.338 5.177 ± 0.3609
5 1342 1342/1342 1342 ± 0.000024 5.283 5.157/5.548 5.332 ± 0.2832
6 1342 1342/1342 1342 ± 0.000024 5.277 5.027/5.433 5.242 ± 0.2726
7 1342 1342/1342 1342 ± 0.000024 5.427 5.235/5.687 5.443 ± 0.2452
8 1342 1342/1342 1342 ± 0.000024 5.469 5.178/5.58 5.417 ± 0.2907
9 1342 1342/1342 1342 ± 0.000024 5.726 5.638/5.923 5.754 ± 0.2792
10 1342 1342/1342 1342 ± 0.000024 6.232 6.159/6.327 6.234 ± 0.2478
11 1342 1342/1342 1342 ± 0.000024 6.455 6.266/6.649 6.466 ± 0.2592
12 1342 1342/1342 1342 ± 0.000024 6.552 6.334/6.785 6.61 ± 0.316
13 1342 1342/1342 1342 ± 0.000024 7.079 6.861/7.396 7.093 ± 0.3413
14 1342 1342/1342 1342 ± 0.000024 7.263 7.02/7.52 7.259 ± 0.3386
15 1342 1342/1342 1342 ± 0.000024 6.953 6.58/7.163 6.935 ± 0.3443
16 1342 1342/1342 1342 ± 0.000024 6.357 6.126/6.656 6.375 ± 0.3506
17 1342 1342/1342 1342 ± 0.000024 6.308 6.109/6.514 6.307 ± 0.3388
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-29 05:27:46.980
End
2025-07-29 06:38:59.975
Duration
1:11:12.995
Note, WebLog generation is not included in the time.

CASA logs for stage 8