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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.428 5.202/6.53 5.693 ± 0.8912
ea02 1342 1342/1342 1342 ± 0.00001708 5.524 5.096/6.254 5.596 ± 0.9346
ea03 1342 1342/1342 1342 ± 0 5.258 5.034/6.49 5.61 ± 0.882
ea04 1342 1342/1342 1342 ± 0.00004187 5.042 4.835/5.999 5.285 ± 0.7303
ea05 1342 1342/1342 1342 ± 0.00004308 5.231 4.96/6.396 5.465 ± 0.9059
ea06 1342 1342/1342 1342 ± 0.000002311 4.905 4.706/5.788 5.229 ± 0.7497
ea07 1342 1342/1342 1342 ± 0.00002518 4.88 4.762/6.074 5.352 ± 0.9154
ea08 1342 1342/1342 1342 ± 0 5.441 5.034/6.563 5.737 ± 0.9345
ea09 1342 1342/1342 1342 ± 0.00004184 4.954 4.711/6.094 5.207 ± 0.771
ea10 1342 1342/1342 1342 ± 0.00004317 4.785 4.436/5.894 5.052 ± 0.7928
ea11 1342 1342/1342 1342 ± 0.00004517 5.093 4.551/6.213 5.288 ± 0.9211
ea12 1342 1342/1342 1342 ± 0.00004086 5.012 4.801/6.008 5.3 ± 0.6766
ea14 1342 1342/1342 1342 ± 0.00004216 5.412 5.018/6.37 5.64 ± 0.7418
ea15 1342 1342/1342 1342 ± 0.00004301 5.291 5.028/6.374 5.603 ± 0.9171
ea16 1342 1342/1342 1342 ± 0.000003267 5.522 5.068/6.447 5.655 ± 0.9197
ea17 1342 1342/1342 1342 ± 0.00003751 5.351 4.994/6.715 5.664 ± 0.8585
ea18 1342 1342/1342 1342 ± 0 5.444 5.212/6.77 5.838 ± 0.8476
ea19 1342 1342/1342 1342 ± 0.0000318 5.227 5.033/6.379 5.537 ± 0.7885
ea21 1342 1342/1342 1342 ± 0 4.86 4.692/5.677 5.082 ± 0.6879
ea22 1342 1342/1342 1342 ± 0.000001155 5.409 4.903/6.447 5.574 ± 0.8326
ea23 1342 1342/1342 1342 ± 0.00004209 5.374 4.957/6.281 5.617 ± 0.8207
ea24 1342 1342/1342 1342 ± 0.00001603 5.132 5.05/6.443 5.56 ± 0.8046
ea25 1342 1342/1342 1342 ± 0.000002001 5.644 5.223/6.648 5.862 ± 0.9549
ea27 1342 1342/1342 1342 ± 0.000002583 5.07 4.873/6.347 5.47 ± 0.8113
ea28 1342 1342/1342 1342 ± 0.00002658 5.564 5.393/6.85 5.886 ± 0.9026
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 ± 0.00002393 5.027 4.877/5.191 4.986 ± 0.3165
4 1342 1342/1342 1342 ± 0.00003561 3.843 3.66/4.085 3.893 ± 0.3008
5 1342 1342/1342 1342 ± 0.00002393 5.052 4.801/5.357 5.063 ± 0.2884
6 1342 1342/1342 1342 ± 0.00002393 5.02 4.837/5.276 5.035 ± 0.2622
7 1342 1342/1342 1342 ± 0.00002393 5.107 4.957/5.235 5.087 ± 0.2286
8 1342 1342/1342 1342 ± 0.00002393 5.035 4.876/5.207 5.037 ± 0.2509
9 1342 1342/1342 1342 ± 0.00002393 5.411 5.199/5.608 5.368 ± 0.2596
10 1342 1342/1342 1342 ± 0.00002393 5.922 5.799/6.077 5.914 ± 0.2517
11 1342 1342/1342 1342 ± 0.00002393 6.207 6.005/6.305 6.166 ± 0.2597
12 1342 1342/1342 1342 ± 0.00002393 6.374 6.094/6.509 6.331 ± 0.2991
13 1342 1342/1342 1342 ± 0.00002393 6.776 6.619/6.981 6.75 ± 0.3073
14 1342 1342/1342 1342 ± 0.0000243 6.76 6.413/6.937 6.733 ± 0.3721
15 1342 1342/1342 1342 ± 0.00002393 6.727 6.312/6.94 6.634 ± 0.3649
16 1342 1342/1342 1342 ± 0.00006101 4.831 4.689/5.009 4.865 ± 0.2505
17 1342 1342/1342 1342 ± 0.00006087 4.773 4.611/4.975 4.819 ± 0.2832
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-22 13:44:02.347
End
2025-07-22 14:41:41.077
Duration
0:57:38.729
Note, WebLog generation is not included in the time.

CASA logs for stage 8