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 6.099 5.213/6.705 5.969 ± 0.8145
ea02 1342 1342/1342 1342 ± 0 6.174 5.618/6.466 6.153 ± 0.6752
ea03 1342 1342/1342 1342 ± 0 6.103 5.236/6.66 6.029 ± 0.7929
ea04 1342 1342/1342 1342 ± 0.0000254 5.7 5.169/6.05 5.625 ± 0.6007
ea05 1342 1342/1342 1342 ± 0.000001632 5.925 5.278/6.623 5.925 ± 0.6807
ea06 1342 1342/1342 1342 ± 0 5.909 4.924/6.132 5.674 ± 0.7028
ea07 1342 1342/1342 1342 ± 0 6.142 5.047/6.305 5.91 ± 0.7704
ea08 1342 1342/1342 1342 ± 0 6.472 5.521/6.833 6.278 ± 0.8126
ea09 1342 1342/1342 1342 ± 0 5.743 5.032/6.372 5.764 ± 0.7487
ea10 1342 1342/1342 1342 ± 0 5.489 4.739/6.041 5.464 ± 0.6681
ea11 1342 1342/1342 1342 ± 0 5.375 4.772/6.145 5.494 ± 0.7315
ea12 1342 1342/1342 1342 ± 0 5.598 5.104/6.242 5.706 ± 0.6527
ea13 1342 1342/1342 1342 ± 0 6.21 5.431/6.326 5.995 ± 0.5694
ea14 1342 1342/1342 1342 ± 0 5.987 5.413/6.49 5.978 ± 0.6247
ea15 1342 1342/1342 1342 ± 0 6.504 5.596/6.759 6.333 ± 0.7293
ea16 1342 1342/1342 1342 ± 0 6.199 5.588/6.684 6.167 ± 0.7929
ea17 1342 1342/1342 1342 ± 0 6.172 5.521/7.089 6.222 ± 0.7924
ea18 1342 1342/1342 1342 ± 0 6.318 5.57/7.137 6.382 ± 0.7934
ea19 1342 1342/1342 1342 ± 0 5.924 4.884/6.54 5.769 ± 0.8643
ea20 1342 1342/1342 1342 ± 0 6.366 6.163/6.691 6.357 ± 0.543
ea21 1342 1342/1342 1342 ± 0 5.507 5.056/5.946 5.567 ± 0.5507
ea22 1342 1342/1342 1342 ± 0 6.449 5.279/6.692 6.131 ± 0.8169
ea23 1342 1342/1342 1342 ± 0 5.881 5.216/6.311 5.887 ± 0.7777
ea24 1342 1342/1342 1342 ± 0 6.13 4.931/6.434 5.711 ± 0.7998
ea25 1342 1342/1342 1342 ± 0 6.573 5.276/6.917 6.292 ± 0.9655
ea27 1342 1342/1342 1342 ± 0 5.813 5.11/6.472 5.824 ± 0.722
ea28 1342 1342/1342 1342 ± 0 6.416 5.484/6.899 6.234 ± 0.7772
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 4.999 4.862/5.226 5.029 ± 0.3025
4 1342 1342/1342 1342 ± 0.00002939 4.892 4.626/5.143 4.891 ± 0.3387
5 1342 1342/1342 1342 ± 0.00002327 5.242 5.031/5.548 5.272 ± 0.2878
6 1342 1342/1342 1342 ± 0.00002348 5.147 4.99/5.503 5.201 ± 0.2808
7 1342 1342/1342 1342 ± 0.00002348 5.265 5.043/5.359 5.222 ± 0.238
8 1342 1342/1342 1342 ± 0.00002348 5.142 5.003/5.392 5.178 ± 0.2797
9 1342 1342/1342 1342 ± 0.00002327 5.584 5.245/5.696 5.495 ± 0.2608
10 1342 1342/1342 1342 ± 0.00002348 6.146 6.08/6.316 6.143 ± 0.2461
11 1342 1342/1342 1342 ± 0.00002305 6.377 6.162/6.56 6.349 ± 0.272
12 1342 1342/1342 1342 ± 0.00002305 6.474 6.246/6.681 6.489 ± 0.3154
13 1342 1342/1342 1342 ± 0.00002305 6.916 6.634/7.156 6.92 ± 0.3398
14 1342 1342/1342 1342 ± 0.00002305 7.137 6.91/7.413 7.142 ± 0.3389
15 1342 1342/1342 1342 ± 0.00002305 6.78 6.618/7.185 6.844 ± 0.3698
16 1342 1342/1342 1342 ± 0.00002305 6.273 5.904/6.595 6.226 ± 0.4238
17 1342 1342/1342 1342 ± 0.00002305 6.247 5.999/6.456 6.201 ± 0.4048
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-24 13:24:38.473
End
2025-07-24 14:35:08.235
Duration
1:10:29.762
Note, WebLog generation is not included in the time.

CASA logs for stage 8