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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.145 5.803/6.847 6.268 ± 0.7745
ea03 1342 1342/1342 1342 ± 0.00000116 5.594 5.014/6.512 5.706 ± 0.8683
ea04 1342 1342/1342 1342 ± 0 5.438 5.213/6.403 5.838 ± 0.8066
ea05 1342 1342/1342 1342 ± 0 6.223 5.612/7.018 6.317 ± 0.7487
ea06 1342 1342/1342 1342 ± 0 6.136 5.516/6.613 6.092 ± 0.7676
ea07 1342 1342/1342 1342 ± 0 6.043 5.419/6.447 5.979 ± 0.802
ea08 1342 1342/1342 1342 ± 0.00000116 5.867 5.358/6.659 6.006 ± 0.8459
ea09 1342 1342/1342 1342 ± 0 6.141 5.533/6.959 6.148 ± 0.8576
ea10 1342 1342/1342 1342 ± 0 6.418 5.58/7.092 6.358 ± 0.7483
ea11 1342 1342/1342 1342 ± 0 6.164 5.307/6.715 6.044 ± 0.9246
ea12 1342 1342/1342 1342 ± 0 6.226 5.624/6.877 6.266 ± 0.9426
ea13 1342 1342/1342 1342 ± 0 5.638 5.531/6.192 5.758 ± 0.668
ea14 1342 1342/1342 1342 ± 0 6.215 5.636/6.91 6.257 ± 0.898
ea15 1342 1342/1342 1342 ± 0 5.829 5.372/6.424 5.875 ± 0.7759
ea16 1342 1342/1342 1342 ± 0 6.267 5.726/6.923 6.308 ± 0.9323
ea17 1342 1342/1342 1342 ± 0 6.574 6.108/7.547 6.771 ± 0.9247
ea18 1342 1342/1342 1342 ± 0 5.178 4.724/5.565 5.2 ± 0.5101
ea19 1342 1342/1342 1342 ± 0 6.302 5.748/7.011 6.373 ± 0.9022
ea20 1342 1342/1342 1342 ± 0 5.862 5.462/6.567 5.972 ± 0.8114
ea21 1342 1342/1342 1342 ± 0 5.289 4.99/5.878 5.386 ± 0.6178
ea22 1342 1342/1342 1342 ± 0 6.013 5.37/6.62 6.013 ± 0.8383
ea23 1342 1342/1342 1342 ± 0 6.318 5.687/6.823 6.306 ± 0.778
ea24 1342 1342/1342 1342 ± 0.00002057 5.753 5.273/6.516 5.699 ± 0.9555
ea25 1342 1342/1342 1342 ± 0 6.4 5.636/7.126 6.376 ± 1.006
ea26 1342 1342/1342 1342 ± 0 6.694 5.937/7.454 6.595 ± 0.9168
ea27 1342 1342/1342 1342 ± 0 6.056 5.479/6.97 6.186 ± 0.7895
ea28 1342 1342/1342 1342 ± 0 6.139 5.772/6.959 6.334 ± 0.8512
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 ± 0.00002305 5.528 5.244/5.746 5.478 ± 0.3205
3 1342 1342/1342 1342 ± 0.00002824 5.113 4.937/5.295 5.072 ± 0.4726
4 1342 1342/1342 1342 ± 0.00002568 4.329 4.247/4.408 4.37 ± 0.2815
5 1342 1342/1342 1342 ± 0.00002305 5.606 5.301/5.72 5.519 ± 0.3349
6 1342 1342/1342 1342 ± 0.00002305 5.518 5.314/5.729 5.483 ± 0.3038
7 1342 1342/1342 1342 ± 0.00002305 5.576 5.395/5.732 5.546 ± 0.3
8 1342 1342/1342 1342 ± 0.00002305 5.496 5.253/5.707 5.486 ± 0.3379
9 1342 1342/1342 1342 ± 0.00002305 5.85 5.593/6.025 5.799 ± 0.3345
10 1342 1342/1342 1342 ± 0.00002305 6.481 6.208/6.593 6.363 ± 0.347
11 1342 1342/1342 1342 ± 0.00002305 6.706 6.462/6.843 6.607 ± 0.3703
12 1342 1342/1342 1342 ± 0.00002305 6.828 6.567/7.019 6.759 ± 0.4435
13 1342 1342/1342 1342 ± 0.00002305 7.283 7.056/7.647 7.274 ± 0.4717
14 1342 1342/1342 1342 ± 0.00002305 7.518 7.171/7.777 7.445 ± 0.4801
15 1342 1342/1342 1342 ± 0.00002306 7.12 6.795/7.384 7.053 ± 0.4408
16 1342 1342/1342 1342 ± 0.00002305 6.433 6.181/6.765 6.423 ± 0.4471
17 1342 1342/1342 1342 ± 0.00002305 6.378 6.175/6.684 6.358 ± 0.4572
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
Start time
2025-06-11 22:50:59.940
End
2025-06-11 23:57:32.494
Duration
1:06:32.555
Note, WebLog generation is not included in the time.

CASA logs for stage 8