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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.414 5.233/6.503 5.727 ± 0.8521
ea02 1342 1342/1342 1342 ± 0.000002698 5.591 5.138/6.278 5.684 ± 0.8409
ea03 1342 1342/1342 1342 ± 0 5.69 5.044/6.531 5.711 ± 0.8667
ea04 1342 1342/1342 1342 ± 0.00004688 5.031 4.805/5.896 5.215 ± 0.7764
ea05 1342 1342/1342 1342 ± 0.00004042 5.219 5.036/6.336 5.52 ± 0.9035
ea06 1342 1342/1342 1342 ± 0 5.237 4.749/5.864 5.363 ± 0.7776
ea07 1342 1342/1342 1342 ± 0.000007096 4.994 4.838/6.093 5.343 ± 0.9833
ea08 1342 1342/1342 1342 ± 0 5.518 5.322/6.611 5.827 ± 0.883
ea09 1342 1342/1342 1342 ± 0.00004091 4.9 4.705/6.07 5.206 ± 0.7557
ea10 1342 1342/1342 1342 ± 0.00004174 4.931 4.697/6.055 5.246 ± 0.824
ea11 1342 1342/1342 1342 ± 0.00004229 5.155 4.593/6.24 5.246 ± 1.021
ea12 1342 1342/1342 1342 ± 0.00003353 5.044 4.81/5.877 5.258 ± 0.7722
ea14 1342 1342/1342 1342 ± 0.0000415 5.492 5.287/6.44 5.749 ± 0.7883
ea15 1342 1342/1342 1342 ± 0.00004184 5.566 5.322/6.516 5.793 ± 0.9207
ea16 1342 1342/1342 1342 ± 0 5.612 5.285/6.482 5.757 ± 0.892
ea17 1342 1342/1342 1342 ± 0.00002329 5.497 5.076/6.481 5.659 ± 0.9905
ea18 1342 1342/1342 1342 ± 0 5.632 5.258/6.539 5.792 ± 0.8745
ea19 1342 1342/1342 1342 ± 0.00001555 5.173 4.916/6.204 5.462 ± 0.8603
ea20 1342 1342/1342 1342 ± 0.00003451 5.668 5.41/6.807 5.874 ± 1.011
ea21 1342 1342/1342 1342 ± 0 5.056 4.821/5.79 5.25 ± 0.6628
ea22 1342 1342/1342 1342 ± 0 5.363 4.991/6.329 5.533 ± 0.9313
ea23 1342 1342/1342 1342 ± 0.00004153 5.451 5.094/6.28 5.683 ± 0.8231
ea24 1342 1342/1342 1342 ± 0.000004001 5.378 4.966/6.485 5.578 ± 0.8567
ea25 1342 1342/1342 1342 ± 0 5.917 5.312/6.739 6.018 ± 0.9421
ea27 1342 1342/1342 1342 ± 0 5.291 4.969/6.301 5.507 ± 0.7682
ea28 1342 1342/1342 1342 ± 0.0000151 5.569 5.341/6.847 5.88 ± 0.8843
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 ± 0.00002351 5.088 4.888/5.2 5.078 ± 0.2559
3 1342 1342/1342 1342 ± 0.00003516 4.009 3.668/4.461 4.081 ± 0.464
4 1342 1342/1342 1342 ± 0.00002689 3.838 3.725/3.995 3.864 ± 0.2316
5 1342 1342/1342 1342 ± 0.00002351 5.097 4.822/5.319 5.088 ± 0.2957
6 1342 1342/1342 1342 ± 0.00002351 4.98 4.819/5.306 5.048 ± 0.264
7 1342 1342/1342 1342 ± 0.00002351 5.141 4.902/5.32 5.134 ± 0.2481
8 1342 1342/1342 1342 ± 0.00002351 5.117 4.916/5.332 5.125 ± 0.2825
9 1342 1342/1342 1342 ± 0.00002351 5.454 5.23/5.656 5.453 ± 0.2899
10 1342 1342/1342 1342 ± 0.00002351 6.079 5.833/6.154 5.999 ± 0.267
11 1342 1342/1342 1342 ± 0.00002351 6.239 6.07/6.392 6.225 ± 0.2675
12 1342 1342/1342 1342 ± 0.00002351 6.454 6.139/6.568 6.393 ± 0.3055
13 1342 1342/1342 1342 ± 0.00002351 6.832 6.59/7.049 6.842 ± 0.3163
14 1342 1342/1342 1342 ± 0.00002351 6.946 6.71/7.147 6.901 ± 0.3345
15 1342 1342/1342 1342 ± 0.00002351 6.733 6.343/6.957 6.655 ± 0.3448
16 1342 1342/1342 1342 ± 0.00005966 5.24 5.019/5.462 5.264 ± 0.3257
17 1342 1342/1342 1342 ± 0.00006056 5.046 4.883/5.277 5.111 ± 0.3167
output_dir
 
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-22 06:39:00.564
End
2025-07-22 07:36:15.915
Duration
0:57:15.351
Note, WebLog generation is not included in the time.

CASA logs for stage 8