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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.417 5.191/6.493 5.711 ± 0.879
ea02 1342 1342/1342 1342 ± 0.00001086 5.521 5.074/6.228 5.602 ± 0.9144
ea03 1342 1342/1342 1342 ± 0 5.394 4.999/6.473 5.614 ± 0.8738
ea04 1342 1342/1342 1342 ± 0.00004141 5.014 4.827/5.982 5.303 ± 0.7288
ea05 1342 1342/1342 1342 ± 0.0000418 5.205 4.948/6.434 5.482 ± 0.8942
ea06 1342 1342/1342 1342 ± 0 5.09 4.697/5.726 5.226 ± 0.7348
ea07 1342 1342/1342 1342 ± 0.00001651 4.868 4.76/6.064 5.369 ± 0.8985
ea08 1342 1342/1342 1342 ± 0 5.415 5.138/6.547 5.751 ± 0.9083
ea09 1342 1342/1342 1342 ± 0.00004141 4.932 4.709/6.091 5.22 ± 0.7751
ea10 1342 1342/1342 1342 ± 0.00004185 4.78 4.55/5.87 5.074 ± 0.7849
ea11 1342 1342/1342 1342 ± 0.0000441 5.071 4.567/6.193 5.31 ± 0.912
ea12 1342 1342/1342 1342 ± 0.00003835 4.994 4.821/5.968 5.31 ± 0.6622
ea14 1342 1342/1342 1342 ± 0.0000415 5.399 5.162/6.342 5.666 ± 0.7162
ea15 1342 1342/1342 1342 ± 0.0000421 5.283 5.149/6.357 5.617 ± 0.9121
ea16 1342 1342/1342 1342 ± 0 5.497 5.246/6.418 5.661 ± 0.8963
ea17 1342 1342/1342 1342 ± 0.00002918 5.333 5.005/6.712 5.69 ± 0.8305
ea18 1342 1342/1342 1342 ± 0 5.487 5.278/6.698 5.851 ± 0.821
ea19 1342 1342/1342 1342 ± 0.0000269 5.234 5.036/6.34 5.543 ± 0.7681
ea21 1342 1342/1342 1342 ± 0 4.881 4.706/5.66 5.079 ± 0.686
ea22 1342 1342/1342 1342 ± 0.000001155 5.388 4.929/6.406 5.594 ± 0.8043
ea23 1342 1342/1342 1342 ± 0.00004168 5.35 5.09/6.263 5.645 ± 0.798
ea24 1342 1342/1342 1342 ± 0.00001508 5.315 5.05/6.404 5.557 ± 0.7935
ea25 1342 1342/1342 1342 ± 0 5.669 5.194/6.627 5.866 ± 0.9488
ea27 1342 1342/1342 1342 ± 0 5.1 4.96/6.326 5.486 ± 0.7901
ea28 1342 1342/1342 1342 ± 0.00002145 5.541 5.366/6.841 5.889 ± 0.8766
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 5.001 4.858/5.17 4.967 ± 0.3131
4 1342 1342/1342 1342 ± 0.0000291 3.856 3.664/4.094 3.899 ± 0.3033
5 1342 1342/1342 1342 ± 0.00002392 5.041 4.772/5.325 5.043 ± 0.2867
6 1342 1342/1342 1342 ± 0.00002392 5.007 4.816/5.25 5.016 ± 0.2619
7 1342 1342/1342 1342 ± 0.00002392 5.087 4.936/5.202 5.066 ± 0.2274
8 1342 1342/1342 1342 ± 0.00002392 5.019 4.862/5.192 5.014 ± 0.2492
9 1342 1342/1342 1342 ± 0.00002392 5.389 5.2/5.573 5.348 ± 0.2603
10 1342 1342/1342 1342 ± 0.00002392 5.899 5.786/6.061 5.9 ± 0.2473
11 1342 1342/1342 1342 ± 0.00002392 6.189 5.972/6.289 6.143 ± 0.2593
12 1342 1342/1342 1342 ± 0.00002392 6.341 6.091/6.484 6.306 ± 0.3023
13 1342 1342/1342 1342 ± 0.00002392 6.775 6.605/6.962 6.737 ± 0.3041
14 1342 1342/1342 1342 ± 0.00002392 6.818 6.527/7.03 6.794 ± 0.3411
15 1342 1342/1342 1342 ± 0.00002392 6.671 6.295/6.857 6.598 ± 0.3541
16 1342 1342/1342 1342 ± 0.00006082 5.063 4.894/5.249 5.079 ± 0.262
17 1342 1342/1342 1342 ± 0.00006057 4.911 4.729/5.137 4.959 ± 0.2965
output_dir
 
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-22 10:10:11.725
End
2025-07-22 11:09:32.584
Duration
0:59:20.859
Note, WebLog generation is not included in the time.

CASA logs for stage 8