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

Statwt Summary Plot

VLASS3.2.sb45620914.eb45877486.60435.49343803241_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 6.133 5.383/6.513 5.933 ± 0.7993
ea02 1342 1342/1342 1342 ± 0.00001676 6.046 5.436/6.348 5.956 ± 0.7457
ea03 1342 1342/1342 1342 ± 0 6.071 5.368/6.717 6.046 ± 0.7684
ea04 1342 1342/1342 1342 ± 0.000004826 5.324 4.962/5.917 5.364 ± 0.7741
ea05 1342 1342/1342 1342 ± 0.000001247 5.661 5.208/6.482 5.774 ± 0.8023
ea06 1342 1342/1342 1342 ± 0 5.922 4.986/6.103 5.69 ± 0.6834
ea07 1342 1342/1342 1342 ± 0 5.821 5.09/6.256 5.749 ± 0.8494
ea08 1342 1342/1342 1342 ± 0 6.331 5.58/6.75 6.247 ± 0.7327
ea09 1342 1342/1342 1342 ± 0 5.614 5.035/6.34 5.704 ± 0.6512
ea10 1342 1342/1342 1342 ± 0 5.502 4.948/5.964 5.415 ± 0.7433
ea11 1342 1342/1342 1342 ± 0.000004497 5.288 4.985/6.147 5.44 ± 0.7665
ea13 1342 1342/1342 1342 ± 0 6.039 5.437/6.314 5.942 ± 0.5842
ea14 1342 1342/1342 1342 ± 0 5.867 5.372/6.474 5.859 ± 0.8306
ea15 1342 1342/1342 1342 ± 0.00000131 6.179 5.535/6.569 6.139 ± 0.7026
ea16 1342 1342/1342 1342 ± 0 6.183 5.526/6.706 6.15 ± 0.7299
ea17 1342 1342/1342 1342 ± 0 6.222 5.586/7.012 6.157 ± 0.8926
ea18 1342 1342/1342 1342 ± 0 6.491 5.836/7.119 6.408 ± 0.7406
ea19 1342 1342/1342 1342 ± 0 5.791 5.351/6.415 5.791 ± 0.8437
ea20 1342 1342/1342 1342 ± 0 5.986 5.514/6.542 5.957 ± 0.7065
ea21 1342 1342/1342 1342 ± 0 5.546 5.108/6.024 5.584 ± 0.5492
ea22 1342 1342/1342 1342 ± 0 6.106 5.489/6.602 6.115 ± 0.7466
ea23 1342 1342/1342 1342 ± 0 6.001 5.372/6.337 5.877 ± 0.8988
ea24 1342 1342/1342 1342 ± 0 6.014 5.266/6.425 5.832 ± 0.5981
ea25 1342 1342/1342 1342 ± 0 6.514 5.692/6.996 6.463 ± 0.8458
ea27 1342 1342/1342 1342 ± 0 5.818 5.139/6.472 5.772 ± 0.7408
ea28 1342 1342/1342 1342 ± 0 6.272 5.633/6.876 6.243 ± 0.659
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 5.404 5.238/5.557 5.409 ± 0.2354
3 1342 1342/1342 1342 ± 0.00003017 3.99 3.658/4.574 4.146 ± 0.6862
4 1342 1342/1342 1342 ± 0.0000241 5.058 4.841/5.311 5.095 ± 0.306
5 1342 1342/1342 1342 ± 0.00002351 5.275 5.046/5.469 5.242 ± 0.2876
6 1342 1342/1342 1342 ± 0.00002353 5.221 4.975/5.383 5.223 ± 0.2885
7 1342 1342/1342 1342 ± 0.00002351 5.398 5.244/5.57 5.39 ± 0.2457
8 1342 1342/1342 1342 ± 0.00002351 5.359 5.139/5.533 5.352 ± 0.2683
9 1342 1342/1342 1342 ± 0.00002351 5.644 5.549/5.864 5.687 ± 0.2778
10 1342 1342/1342 1342 ± 0.00002351 6.178 6.044/6.267 6.141 ± 0.2517
11 1342 1342/1342 1342 ± 0.00002351 6.35 6.163/6.531 6.352 ± 0.2573
12 1342 1342/1342 1342 ± 0.00002351 6.496 6.284/6.714 6.503 ± 0.3138
13 1342 1342/1342 1342 ± 0.00002351 6.922 6.658/7.17 6.929 ± 0.3347
14 1342 1342/1342 1342 ± 0.00002351 7.174 6.876/7.352 7.127 ± 0.356
15 1342 1342/1342 1342 ± 0.00002351 6.78 6.572/7.129 6.818 ± 0.3697
16 1342 1342/1342 1342 ± 0.0000236 6.125 5.877/6.377 6.164 ± 0.4096
17 1342 1342/1342 1342 ± 0.00002368 6.159 5.929/6.331 6.146 ± 0.359
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-29 05:14:25.010
End
2025-07-29 06:04:18.244
Duration
0:49:53.233
Note, WebLog generation is not included in the time.

CASA logs for stage 8