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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.167 5.877/6.815 6.28 ± 0.7962
ea02 1342 1342/1342 1342 ± 0 6.285 5.673/6.68 6.253 ± 0.7731
ea03 1342 1342/1342 1342 ± 0 6.024 5.515/6.718 6.152 ± 0.8324
ea04 1342 1342/1342 1342 ± 0 5.679 5.189/6.129 5.67 ± 0.7391
ea05 1342 1342/1342 1342 ± 0 6.189 5.634/6.749 6.106 ± 0.7576
ea06 1342 1342/1342 1342 ± 0 5.944 5.272/6.29 5.823 ± 0.8061
ea07 1342 1342/1342 1342 ± 0 6.095 5.501/6.726 6.128 ± 0.8341
ea08 1342 1342/1342 1342 ± 0 6.641 5.878/7.025 6.56 ± 0.7444
ea09 1342 1342/1342 1342 ± 0 5.795 5.326/6.441 5.804 ± 0.9929
ea10 1342 1342/1342 1342 ± 0 5.893 5.368/6.324 5.805 ± 0.8058
ea11 1342 1342/1342 1342 ± 0 5.86 5.452/6.639 5.944 ± 0.8197
ea12 1342 1342/1342 1342 ± 0 5.662 5.375/6.319 5.844 ± 0.7291
ea13 1342 1342/1342 1342 ± 0 6.052 5.67/6.457 5.941 ± 1.077
ea14 1342 1342/1342 1342 ± 0 6.129 5.787/6.716 6.196 ± 0.7866
ea15 1342 1342/1342 1342 ± 0 6.852 6.772/7.46 7.061 ± 0.4531
ea17 1342 1342/1342 1342 ± 0 6.382 5.946/7.1 6.449 ± 0.8664
ea18 1342 1342/1342 1342 ± 0 6.428 5.921/7.08 6.526 ± 0.7129
ea19 1342 1342/1342 1342 ± 0 6.074 5.679/6.709 6.135 ± 0.8057
ea20 1342 1342/1342 1342 ± 0 6.531 6.029/7.166 6.592 ± 0.7855
ea21 1342 1342/1342 1342 ± 0 5.475 5.195/6 5.596 ± 0.5775
ea22 1342 1342/1342 1342 ± 0 6.176 5.695/6.689 6.209 ± 0.6935
ea23 1342 1342/1342 1342 ± 0 6.226 5.684/6.537 6.163 ± 0.8251
ea24 1342 1342/1342 1342 ± 0 6.324 5.429/6.729 6.091 ± 0.6451
ea25 1342 1342/1342 1342 ± 0 6.712 5.862/7.173 6.631 ± 0.8955
ea27 1342 1342/1342 1342 ± 0 5.754 5.347/6.504 5.814 ± 0.8093
ea28 1342 1342/1342 1342 ± 0 6.383 5.92/7.184 6.532 ± 0.7812
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 5.617 5.408/5.799 5.621 ± 0.2489
3 1342 1342/1342 1342 ± 0.0000247 4.238 3.906/4.483 4.207 ± 0.7054
4 1342 1342/1342 1342 ± 0.0000241 5.515 5.223/5.762 5.547 ± 0.3313
5 1342 1342/1342 1342 ± 0.00002392 5.683 5.347/5.86 5.648 ± 0.2902
6 1342 1342/1342 1342 ± 0.00002392 5.579 5.379/5.822 5.584 ± 0.2801
7 1342 1342/1342 1342 ± 0.00002392 5.684 5.519/5.855 5.661 ± 0.2534
8 1342 1342/1342 1342 ± 0.00002392 5.585 5.325/5.83 5.579 ± 0.303
9 1342 1342/1342 1342 ± 0.00002392 5.873 5.687/6.11 5.881 ± 0.2954
10 1342 1342/1342 1342 ± 0.00002348 6.404 6.246/6.486 6.369 ± 0.28
11 1342 1342/1342 1342 ± 0.00002348 6.564 6.381/6.742 6.582 ± 0.2838
12 1342 1342/1342 1342 ± 0.00002348 6.745 6.489/6.873 6.72 ± 0.3295
13 1342 1342/1342 1342 ± 0.00002348 7.213 6.905/7.507 7.216 ± 0.3565
14 1342 1342/1342 1342 ± 0.00002348 7.413 7.107/7.725 7.398 ± 0.3667
15 1342 1342/1342 1342 ± 0.00002348 7.139 6.757/7.37 7.081 ± 0.3742
16 1342 1342/1342 1342 ± 0.00002348 6.421 6.172/6.886 6.485 ± 0.4174
17 1342 1342/1342 1342 ± 0.00002348 6.454 6.131/6.79 6.439 ± 0.4108
datacolumn
residual_data
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-07-30 03:30:43.405
End
2025-07-30 04:44:11.523
Duration
1:13:28.118
Note, WebLog generation is not included in the time.

CASA logs for stage 8