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 5.403 4.932/6.163 5.4 ± 0.952
ea02 1342 1342/1342 1342 ± 0.00003137 5.456 5.2/6.367 5.464 ± 1.032
ea03 1342 1342/1342 1342 ± 0.00001054 5.211 5.067/6.368 5.525 ± 0.8631
ea04 1342 1342/1342 1342 ± 0.00004857 5.04 4.686/6.009 5.102 ± 0.8276
ea05 1342 1342/1342 1342 ± 0.00005195 5.217 4.87/6.363 5.25 ± 1.049
ea06 1342 1342/1342 1342 ± 0.000024 4.91 4.693/5.893 5.119 ± 0.8169
ea07 1342 1342/1342 1342 ± 0.00004081 5.091 4.918/6.23 5.289 ± 1.035
ea08 1342 1342/1342 1342 ± 0.00002133 5.761 5.375/6.675 5.799 ± 0.9883
ea09 1342 1342/1342 1342 ± 0.00004833 4.88 4.655/5.867 4.973 ± 0.8314
ea10 1342 1342/1342 1342 ± 0.00004785 4.939 4.553/6.015 4.973 ± 0.9316
ea11 1342 1342/1342 1342 ± 0.00005135 4.887 4.389/6.078 5.035 ± 1.014
ea12 1342 1342/1342 1342 ± 0.00004801 5.009 4.692/5.849 5.004 ± 0.8705
ea14 1342 1342/1342 1342 ± 0.00005057 5.353 5.069/6.418 5.369 ± 0.9753
ea15 1342 1342/1342 1342 ± 0.00005172 5.404 4.952/6.534 5.412 ± 1.059
ea16 1342 1342/1342 1342 ± 0.00001779 5.623 4.748/6.312 5.498 ± 1
ea17 1342 1342/1342 1342 ± 0.00004675 5.479 5.141/6.451 5.518 ± 1.057
ea18 1342 1342/1342 1342 ± 0.00002112 5.653 5.363/6.693 5.723 ± 1.056
ea19 1342 1342/1342 1342 ± 0.00004231 5.033 4.978/6.236 5.282 ± 0.9145
ea20 1342 1342/1342 1342 ± 0.00003557 5.747 5.437/6.553 5.781 ± 0.982
ea21 1342 1342/1342 1342 ± 0.000002474 5.034 4.864/5.804 5.208 ± 0.6199
ea22 1342 1342/1342 1342 ± 0.00002727 5.622 5.092/6.417 5.47 ± 1.029
ea23 1342 1342/1342 1342 ± 0.0000483 5.251 5.03/6.302 5.357 ± 0.9832
ea24 1342 1342/1342 1342 ± 0.000007806 5.19 4.965/6.173 5.438 ± 0.8371
ea25 1342 1342/1342 1342 ± 0.000007128 5.479 5.254/6.826 5.854 ± 0.9496
ea27 1342 1342/1342 1342 ± 0.00001682 5.15 4.758/6.287 5.254 ± 0.8754
ea28 1342 1342/1342 1342 ± 0.00001408 5.569 5.447/6.702 5.806 ± 0.8688
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 5.09 4.885/5.222 5.068 ± 0.2741
4 1342 1342/1342 1342 ± 0.00006039 3.51 3.368/3.703 3.529 ± 0.2263
5 1342 1342/1342 1342 ± 0.00002489 5.038 4.869/5.401 5.105 ± 0.365
6 1342 1342/1342 1342 ± 0.00002348 5.145 4.917/5.4 5.16 ± 0.2766
7 1342 1342/1342 1342 ± 0.00002348 5.202 4.996/5.372 5.174 ± 0.2558
8 1342 1342/1342 1342 ± 0.00002348 5.161 4.99/5.454 5.193 ± 0.2888
9 1342 1342/1342 1342 ± 0.00002348 5.501 5.272/5.733 5.505 ± 0.3072
10 1342 1342/1342 1342 ± 0.00002348 6.079 5.826/6.214 6.038 ± 0.2758
11 1342 1342/1342 1342 ± 0.00002348 6.338 6.165/6.454 6.321 ± 0.2782
12 1342 1342/1342 1342 ± 0.00002348 6.506 6.239/6.671 6.479 ± 0.317
13 1342 1342/1342 1342 ± 0.00002359 6.704 6.314/6.904 6.671 ± 0.3985
14 1342 1342/1342 1342 ± 0.00004906 5.407 4.956/6.021 5.518 ± 0.6719
15 1342 1342/1342 1342 ± 0.00002348 6.593 6.202/6.869 6.538 ± 0.3732
16 1342 1342/1342 1342 ± 0.00006102 3.876 3.709/4.181 4.049 ± 0.5135
17 1342 1342/1342 1342 ± 0.00006103 3.964 3.756/4.245 4.039 ± 0.4027
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
Start time
2025-07-22 13:53:41.291
End
2025-07-22 14:48:40.794
Duration
0:54:59.503
Note, WebLog generation is not included in the time.

CASA logs for stage 8