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 6.139 5.389/6.522 5.944 ± 0.8005
ea02 1342 1342/1342 1342 ± 0.00001682 6.062 5.435/6.36 5.965 ± 0.7459
ea03 1342 1342/1342 1342 ± 0 6.078 5.398/6.711 6.061 ± 0.7663
ea04 1342 1342/1342 1342 ± 0 5.416 4.966/5.887 5.379 ± 0.7699
ea05 1342 1342/1342 1342 ± 0 5.745 5.215/6.432 5.788 ± 0.799
ea06 1342 1342/1342 1342 ± 0 5.936 5.005/6.122 5.706 ± 0.6835
ea07 1342 1342/1342 1342 ± 0 5.824 5.1/6.264 5.763 ± 0.8407
ea08 1342 1342/1342 1342 ± 0 6.338 5.586/6.755 6.254 ± 0.7334
ea09 1342 1342/1342 1342 ± 0 5.629 5.063/6.357 5.721 ± 0.6492
ea10 1342 1342/1342 1342 ± 0 5.512 4.962/5.975 5.424 ± 0.744
ea11 1342 1342/1342 1342 ± 0.000006092 5.29 5/6.154 5.451 ± 0.7628
ea13 1342 1342/1342 1342 ± 0 6.032 5.476/6.324 5.954 ± 0.5805
ea14 1342 1342/1342 1342 ± 0 5.882 5.386/6.481 5.87 ± 0.8226
ea15 1342 1342/1342 1342 ± 0.000001108 6.182 5.549/6.587 6.147 ± 0.6963
ea16 1342 1342/1342 1342 ± 0 6.188 5.561/6.705 6.17 ± 0.7247
ea17 1342 1342/1342 1342 ± 0 6.228 5.614/7.023 6.167 ± 0.8804
ea18 1342 1342/1342 1342 ± 0 6.362 5.851/6.986 6.428 ± 0.7372
ea19 1342 1342/1342 1342 ± 0 5.824 5.355/6.418 5.806 ± 0.8443
ea20 1342 1342/1342 1342 ± 0 5.934 5.508/6.423 5.987 ± 0.7069
ea21 1342 1342/1342 1342 ± 0 5.552 5.134/6.037 5.598 ± 0.5449
ea22 1342 1342/1342 1342 ± 0 6.1 5.464/6.615 6.121 ± 0.743
ea23 1342 1342/1342 1342 ± 0 6.001 5.395/6.351 5.882 ± 0.8965
ea24 1342 1342/1342 1342 ± 0 6.017 5.29/6.434 5.848 ± 0.5857
ea25 1342 1342/1342 1342 ± 0 6.52 5.698/6.995 6.477 ± 0.8427
ea27 1342 1342/1342 1342 ± 0 5.821 5.14/6.477 5.782 ± 0.7374
ea28 1342 1342/1342 1342 ± 0 6.285 5.655/6.877 6.265 ± 0.6531
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 ± 0.00002349 5.436 5.26/5.589 5.437 ± 0.2393
3 1342 1342/1342 1342 ± 0.00003018 4.018 3.652/4.604 4.171 ± 0.6844
4 1342 1342/1342 1342 ± 0.00002407 5.08 4.857/5.327 5.111 ± 0.3046
5 1342 1342/1342 1342 ± 0.00002349 5.3 5.059/5.49 5.259 ± 0.2862
6 1342 1342/1342 1342 ± 0.00002349 5.253 5.001/5.416 5.245 ± 0.2885
7 1342 1342/1342 1342 ± 0.00002349 5.409 5.251/5.582 5.404 ± 0.2467
8 1342 1342/1342 1342 ± 0.00002349 5.367 5.143/5.557 5.361 ± 0.2702
9 1342 1342/1342 1342 ± 0.00002349 5.658 5.565/5.882 5.699 ± 0.2785
10 1342 1342/1342 1342 ± 0.00002349 6.182 6.05/6.283 6.151 ± 0.2516
11 1342 1342/1342 1342 ± 0.00002349 6.351 6.174/6.531 6.363 ± 0.2576
12 1342 1342/1342 1342 ± 0.00002349 6.503 6.298/6.71 6.514 ± 0.3144
13 1342 1342/1342 1342 ± 0.00002349 6.93 6.655/7.177 6.939 ± 0.3367
14 1342 1342/1342 1342 ± 0.00002349 7.185 6.905/7.367 7.138 ± 0.3565
15 1342 1342/1342 1342 ± 0.00002349 6.816 6.58/7.145 6.832 ± 0.3667
16 1342 1342/1342 1342 ± 0.00002368 6.123 5.881/6.389 6.171 ± 0.4107
17 1342 1342/1342 1342 ± 0.00002376 6.171 5.931/6.338 6.152 ± 0.3601
vis
VLASS3.2.sb45620914.eb45877486.60435.49343803241_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-29 08:00:23.960
End
2025-07-29 09:14:25.772
Duration
1:14:01.812
Note, WebLog generation is not included in the time.

CASA logs for stage 8