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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.619 5.271/6.26 5.562 ± 1.077
ea02 1342 1342/1342 1342 ± 0.00003545 5.669 5.312/6.473 5.609 ± 0.9982
ea03 1342 1342/1342 1342 ± 0.000003208 5.512 5.356/6.789 5.847 ± 0.8616
ea04 1342 1342/1342 1342 ± 0.00004801 5.318 5.034/6.094 5.291 ± 0.8594
ea05 1342 1342/1342 1342 ± 0.00005078 5.465 5.118/6.469 5.492 ± 1.041
ea06 1342 1342/1342 1342 ± 0.00002726 5.367 4.874/6.076 5.347 ± 0.8313
ea07 1342 1342/1342 1342 ± 0.00004276 5.245 5.118/6.286 5.447 ± 1.013
ea08 1342 1342/1342 1342 ± 0.00000986 5.873 5.578/6.886 5.939 ± 1.057
ea09 1342 1342/1342 1342 ± 0.00004736 5.185 4.961/6.161 5.268 ± 0.9364
ea10 1342 1342/1342 1342 ± 0.00005014 5.134 4.781/5.944 5.074 ± 0.8764
ea11 1342 1342/1342 1342 ± 0.00005137 5.206 4.682/6.094 5.118 ± 0.9916
ea13 1342 1342/1342 1342 ± 0.00003072 5.494 5.311/6.273 5.508 ± 0.7926
ea14 1342 1342/1342 1342 ± 0.00005037 5.485 5.282/6.543 5.58 ± 1.018
ea15 1342 1342/1342 1342 ± 0.00005026 5.551 5.326/6.555 5.582 ± 1.033
ea16 1342 1342/1342 1342 ± 0.00002378 5.962 5.444/6.784 5.92 ± 1.023
ea17 1342 1342/1342 1342 ± 0.00004617 5.728 5.403/6.647 5.757 ± 1.127
ea18 1342 1342/1342 1342 ± 0.000009773 5.901 5.725/6.958 6.044 ± 1.015
ea19 1342 1342/1342 1342 ± 0.00004315 5.516 5.329/6.413 5.574 ± 0.9534
ea20 1342 1342/1342 1342 ± 0.00004419 5.489 5.259/6.284 5.515 ± 0.9157
ea21 1342 1342/1342 1342 ± 0.000006275 5.108 4.883/5.814 5.264 ± 0.6626
ea22 1342 1342/1342 1342 ± 0.00002447 5.868 5.32/6.646 5.766 ± 1.04
ea23 1342 1342/1342 1342 ± 0.00005021 5.59 5.13/6.289 5.494 ± 1.017
ea24 1342 1342/1342 1342 ± 0.00002058 5.192 4.955/6.1 5.441 ± 0.8066
ea25 1342 1342/1342 1342 ± 0.00001378 5.815 5.459/6.973 6.157 ± 1.005
ea27 1342 1342/1342 1342 ± 0.00002183 5.428 5.128/6.494 5.54 ± 0.9274
ea28 1342 1342/1342 1342 ± 0.000003704 5.797 5.6/6.77 5.87 ± 0.9346
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 5.381 5.144/5.49 5.312 ± 0.2616
5 1342 1342/1342 1342 ± 0.00002856 5.246 5.078/5.53 5.331 ± 0.3683
6 1342 1342/1342 1342 ± 0.00002348 5.38 5.145/5.577 5.346 ± 0.2792
7 1342 1342/1342 1342 ± 0.00002348 5.376 5.19/5.571 5.342 ± 0.2582
8 1342 1342/1342 1342 ± 0.00002348 5.355 5.158/5.482 5.331 ± 0.273
9 1342 1342/1342 1342 ± 0.00002348 5.62 5.397/5.843 5.628 ± 0.3089
10 1342 1342/1342 1342 ± 0.00002392 6.18 5.932/6.282 6.13 ± 0.3007
11 1342 1342/1342 1342 ± 0.00002348 6.471 6.254/6.612 6.424 ± 0.2804
12 1342 1342/1342 1342 ± 0.00002348 6.593 6.373/6.8 6.588 ± 0.3287
13 1342 1342/1342 1342 ± 0.00002426 6.78 6.465/7.062 6.791 ± 0.411
14 1342 1342/1342 1342 ± 0.00005778 5.34 5.022/5.897 5.574 ± 0.7687
15 1342 1342/1342 1342 ± 0.00002348 6.849 6.375/7.162 6.765 ± 0.4659
16 1342 1342/1342 1342 ± 0.00005969 3.729 3.535/4.037 3.825 ± 0.4406
17 1342 1342/1342 1342 ± 0.00005978 3.65 3.437/3.966 3.716 ± 0.394
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
Start time
2025-07-19 09:36:35.096
End
2025-07-19 10:26:18.104
Duration
0:49:43.008
Note, WebLog generation is not included in the time.

CASA logs for stage 8