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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.323 5.205/5.865 5.519 ± 0.4416
ea02 1342 1342/1342 1342 ± 0 6.147 5.75/6.484 6.279 ± 0.5788
ea03 1342 1342/1342 1342 ± 0 6.255 5.504/6.76 6.225 ± 0.6792
ea04 1342 1342/1342 1342 ± 0.00002255 5.561 5.281/6.098 5.705 ± 0.5072
ea05 1342 1342/1342 1342 ± 0.00001861 5.709 5.47/6.565 5.937 ± 0.6246
ea06 1342 1342/1342 1342 ± 0.00001162 5.953 5.164/6.11 5.818 ± 0.6017
ea07 1342 1342/1342 1342 ± 0 5.967 5.338/6.334 5.977 ± 0.6712
ea08 1342 1342/1342 1342 ± 0 6.273 5.875/6.866 6.417 ± 0.6251
ea09 1342 1342/1342 1342 ± 0.000005877 5.633 5.213/6.431 5.741 ± 0.6293
ea10 1342 1342/1342 1342 ± 0 5.436 5.189/6.064 5.609 ± 0.5426
ea11 1342 1342/1342 1342 ± 0.0000416 5.382 5.019/6.224 5.628 ± 0.6224
ea12 1342 1342/1342 1342 ± 0.00002826 5.54 5.422/6.311 5.836 ± 0.5499
ea13 1342 1342/1342 1342 ± 0 5.935 5.694/6.511 6.086 ± 0.6567
ea14 1342 1342/1342 1342 ± 0 5.995 5.67/6.628 6.181 ± 0.5595
ea15 1342 1342/1342 1342 ± 0.00003329 5.942 5.713/6.767 6.221 ± 0.6773
ea17 1342 1342/1342 1342 ± 0 6.212 5.826/7.063 6.357 ± 0.664
ea18 1342 1342/1342 1342 ± 0 6.462 5.941/7.142 6.484 ± 0.6588
ea19 1342 1342/1342 1342 ± 0.0000297 5.779 5.465/6.526 5.994 ± 0.582
ea20 1342 1342/1342 1342 ± 0 5.948 5.722/6.77 6.18 ± 0.5898
ea21 1342 1342/1342 1342 ± 0 5.342 5.131/5.902 5.558 ± 0.4883
ea22 1342 1342/1342 1342 ± 0 6.317 5.944/6.949 6.406 ± 0.6561
ea23 1342 1342/1342 1342 ± 0 5.721 5.541/6.374 6.048 ± 0.6265
ea24 1342 1342/1342 1342 ± 0 6.039 5.434/6.668 6.014 ± 0.6255
ea25 1342 1342/1342 1342 ± 0 6.495 5.752/6.944 6.508 ± 0.7686
ea28 1342 1342/1342 1342 ± 0 6.065 5.852/7.052 6.37 ± 0.6349
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 5.538 5.366/5.74 5.546 ± 0.2923
4 1342 1342/1342 1342 ± 0.00003111 5.171 5.023/5.34 5.181 ± 0.2916
5 1342 1342/1342 1342 ± 0.00002392 5.467 5.303/5.734 5.514 ± 0.3045
6 1342 1342/1342 1342 ± 0.00002392 5.472 5.23/5.693 5.449 ± 0.2983
7 1342 1342/1342 1342 ± 0.00002392 5.503 5.295/5.735 5.508 ± 0.2664
8 1342 1342/1342 1342 ± 0.00002392 5.456 5.268/5.672 5.442 ± 0.2873
9 1342 1342/1342 1342 ± 0.00002392 5.708 5.599/5.976 5.746 ± 0.3149
10 1342 1342/1342 1342 ± 0.00002392 6.238 6.039/6.416 6.185 ± 0.2949
11 1342 1342/1342 1342 ± 0.00002392 6.433 6.169/6.607 6.393 ± 0.326
12 1342 1342/1342 1342 ± 0.00002392 6.527 6.307/6.77 6.534 ± 0.3589
13 1342 1342/1342 1342 ± 0.00002392 7.06 6.672/7.249 6.984 ± 0.3755
14 1342 1342/1342 1342 ± 0.00002392 7.172 6.794/7.404 7.105 ± 0.4251
15 1342 1342/1342 1342 ± 0.00002392 6.913 6.559/7.164 6.839 ± 0.3795
16 1342 1342/1342 1342 ± 0.00004317 5.86 5.625/6.346 5.929 ± 0.4294
17 1342 1342/1342 1342 ± 0.00004547 5.837 5.548/6.133 5.834 ± 0.3977
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-19 09:29:26.547
End
2025-07-19 10:36:28.624
Duration
1:07:02.077
Note, WebLog generation is not included in the time.

CASA logs for stage 8