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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.873 5.624/6.491 5.956 ± 0.7008
ea02 1342 1342/1342 1342 ± 0 6.027 5.529/6.435 6.058 ± 0.7418
ea03 1342 1342/1342 1342 ± 0 6.036 5.381/6.646 5.966 ± 0.704
ea04 1342 1342/1342 1342 ± 0 5.329 4.923/5.952 5.393 ± 0.5971
ea05 1342 1342/1342 1342 ± 0.000009978 5.521 5.155/6.373 5.669 ± 0.7313
ea06 1342 1342/1342 1342 ± 0 5.702 5.021/5.969 5.576 ± 0.6524
ea07 1342 1342/1342 1342 ± 0 5.773 5.089/6.14 5.691 ± 0.7851
ea08 1342 1342/1342 1342 ± 0 5.956 5.398/6.485 5.966 ± 0.7134
ea09 1342 1342/1342 1342 ± 0.000001913 5.589 5.03/6.287 5.643 ± 0.7095
ea10 1342 1342/1342 1342 ± 0 5.253 5.083/6.029 5.486 ± 0.5993
ea11 1342 1342/1342 1342 ± 0.00003076 5.456 5.019/6.305 5.553 ± 0.8037
ea12 1342 1342/1342 1342 ± 0 5.341 5.245/6.234 5.58 ± 0.5944
ea14 1342 1342/1342 1342 ± 0.00001789 5.663 5.406/6.421 5.822 ± 0.6359
ea15 1342 1342/1342 1342 ± 0.00001739 6.034 5.502/6.618 6.052 ± 0.8464
ea16 1342 1342/1342 1342 ± 0 5.982 5.535/6.579 6.033 ± 0.6937
ea17 1342 1342/1342 1342 ± 0 5.948 5.619/6.897 6.127 ± 0.688
ea18 1342 1342/1342 1342 ± 0 6.384 5.757/7.04 6.307 ± 0.7557
ea19 1342 1342/1342 1342 ± 0 5.62 5.307/6.58 5.833 ± 0.6927
ea20 1342 1342/1342 1342 ± 0 6.49 5.788/7 6.329 ± 0.7738
ea22 1342 1342/1342 1342 ± 0 5.534 5.151/6.109 5.578 ± 0.5942
ea23 1342 1342/1342 1342 ± 0.00001116 5.544 5.358/6.316 5.809 ± 0.7053
ea24 1342 1342/1342 1342 ± 0 6.072 4.965/6.458 5.707 ± 0.8387
ea25 1342 1342/1342 1342 ± 0 6.407 5.555/6.848 6.284 ± 0.8614
ea27 1342 1342/1342 1342 ± 0 5.585 5.2/6.393 5.747 ± 0.6626
ea28 1342 1342/1342 1342 ± 0 6.388 5.697/7.009 6.321 ± 0.7677
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 ± 0.00002402 5.419 5.244/5.634 5.449 ± 0.3141
3 1342 1342/1342 1342 ± 0.00002955 3.739 3.36/4.283 3.759 ± 0.5633
4 1342 1342/1342 1342 ± 0.00002838 4.615 4.424/4.781 4.595 ± 0.2949
5 1342 1342/1342 1342 ± 0.00002394 5.375 5.109/5.663 5.379 ± 0.3183
6 1342 1342/1342 1342 ± 0.00002394 5.196 4.981/5.466 5.203 ± 0.2683
7 1342 1342/1342 1342 ± 0.00002394 5.367 5.151/5.535 5.35 ± 0.2529
8 1342 1342/1342 1342 ± 0.00002394 5.333 5.093/5.512 5.314 ± 0.3044
9 1342 1342/1342 1342 ± 0.00002394 5.623 5.462/5.827 5.614 ± 0.2911
10 1342 1342/1342 1342 ± 0.00002394 6.085 5.938/6.201 6.078 ± 0.2493
11 1342 1342/1342 1342 ± 0.00002394 6.334 6.088/6.447 6.303 ± 0.2732
12 1342 1342/1342 1342 ± 0.00002394 6.44 6.3/6.627 6.475 ± 0.3147
13 1342 1342/1342 1342 ± 0.00002394 6.916 6.747/7.124 6.941 ± 0.3451
14 1342 1342/1342 1342 ± 0.00002394 6.924 6.596/7.358 6.964 ± 0.4334
15 1342 1342/1342 1342 ± 0.00002394 6.741 6.409/7.039 6.71 ± 0.3377
16 1342 1342/1342 1342 ± 0.00003126 5.971 5.478/6.228 5.891 ± 0.4863
17 1342 1342/1342 1342 ± 0.00003098 5.871 5.474/6.05 5.823 ± 0.4204
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-31 06:08:50.056
End
2025-07-31 07:19:42.389
Duration
1:10:52.333
Note, WebLog generation is not included in the time.

CASA logs for stage 8