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 5.179 4.993/5.663 5.301 ± 0.4427
ea02 1342 1342/1342 1342 ± 0 6.267 5.625/6.458 6.235 ± 0.6104
ea03 1342 1342/1342 1342 ± 0 6.085 5.433/6.709 6.138 ± 0.7168
ea04 1342 1342/1342 1342 ± 0.00002845 5.601 5.249/6.097 5.701 ± 0.5351
ea05 1342 1342/1342 1342 ± 0.00002736 5.664 5.404/6.579 5.909 ± 0.6554
ea06 1342 1342/1342 1342 ± 0 5.993 5.019/6.123 5.709 ± 0.6278
ea07 1342 1342/1342 1342 ± 0 6.052 5.235/6.273 5.908 ± 0.7018
ea08 1342 1342/1342 1342 ± 0 6.403 5.641/6.825 6.356 ± 0.6722
ea09 1342 1342/1342 1342 ± 0.000005206 5.634 5.175/6.436 5.715 ± 0.6515
ea10 1342 1342/1342 1342 ± 0 5.48 5.113/6.066 5.559 ± 0.57
ea11 1342 1342/1342 1342 ± 0.00004119 5.339 5.016/6.202 5.562 ± 0.6677
ea12 1342 1342/1342 1342 ± 0.00002749 5.482 5.275/6.285 5.758 ± 0.5807
ea13 1342 1342/1342 1342 ± 0 5.911 5.63/6.48 6.036 ± 0.6606
ea14 1342 1342/1342 1342 ± 0 5.891 5.618/6.601 6.122 ± 0.5803
ea15 1342 1342/1342 1342 ± 0.00003598 5.892 5.654/6.728 6.171 ± 0.7166
ea17 1342 1342/1342 1342 ± 0 6.215 5.79/7.025 6.345 ± 0.6731
ea18 1342 1342/1342 1342 ± 0 6.493 5.84/7.113 6.425 ± 0.6812
ea19 1342 1342/1342 1342 ± 0.00002046 5.894 5.39/6.524 5.946 ± 0.6093
ea20 1342 1342/1342 1342 ± 0 5.889 5.632/6.748 6.092 ± 0.6301
ea21 1342 1342/1342 1342 ± 0 5.419 5.095/5.92 5.563 ± 0.5098
ea22 1342 1342/1342 1342 ± 0 6.413 5.846/6.898 6.355 ± 0.6777
ea23 1342 1342/1342 1342 ± 0 5.82 5.489/6.382 6.027 ± 0.6463
ea24 1342 1342/1342 1342 ± 0 6.035 5.333/6.646 5.953 ± 0.653
ea25 1342 1342/1342 1342 ± 0 6.476 5.697/6.925 6.476 ± 0.7926
ea28 1342 1342/1342 1342 ± 0 6.077 5.732/7.007 6.309 ± 0.6565
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 5.479 5.261/5.66 5.464 ± 0.2972
4 1342 1342/1342 1342 ± 0.00002635 5.036 4.904/5.216 5.037 ± 0.3123
5 1342 1342/1342 1342 ± 0.00002392 5.394 5.219/5.651 5.434 ± 0.2977
6 1342 1342/1342 1342 ± 0.00002392 5.392 5.18/5.654 5.39 ± 0.2938
7 1342 1342/1342 1342 ± 0.00002392 5.482 5.247/5.668 5.444 ± 0.2723
8 1342 1342/1342 1342 ± 0.00002392 5.361 5.208/5.635 5.381 ± 0.2969
9 1342 1342/1342 1342 ± 0.00002392 5.673 5.489/5.93 5.695 ± 0.3159
10 1342 1342/1342 1342 ± 0.00002392 6.214 5.991/6.388 6.152 ± 0.2985
11 1342 1342/1342 1342 ± 0.00002392 6.416 6.159/6.591 6.36 ± 0.3334
12 1342 1342/1342 1342 ± 0.00002392 6.527 6.273/6.754 6.505 ± 0.3657
13 1342 1342/1342 1342 ± 0.00002392 7.06 6.673/7.203 6.956 ± 0.3927
14 1342 1342/1342 1342 ± 0.00002392 7.142 6.842/7.403 7.085 ± 0.4246
15 1342 1342/1342 1342 ± 0.00002392 6.887 6.532/7.178 6.804 ± 0.3969
16 1342 1342/1342 1342 ± 0.00004096 5.916 5.669/6.419 5.996 ± 0.4553
17 1342 1342/1342 1342 ± 0.00004892 5.933 5.602/6.249 5.898 ± 0.4327
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
Start time
2025-07-19 05:09:32.367
End
2025-07-19 05:54:04.999
Duration
0:44:32.632
Note, WebLog generation is not included in the time.

CASA logs for stage 8