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 5.451 5.396/6.122 5.7 ± 0.5076
ea02 1342 1342/1342 1342 ± 0 6.025 5.756/6.529 6.26 ± 0.5887
ea03 1342 1342/1342 1342 ± 0 6.107 5.488/6.748 6.173 ± 0.6695
ea04 1342 1342/1342 1342 ± 0.00001534 5.513 5.251/6.073 5.64 ± 0.498
ea05 1342 1342/1342 1342 ± 0.00001182 5.722 5.402/6.572 5.944 ± 0.6177
ea06 1342 1342/1342 1342 ± 0.000007158 5.747 5.193/6.116 5.804 ± 0.6066
ea07 1342 1342/1342 1342 ± 0 5.712 5.359/6.326 5.976 ± 0.6708
ea08 1342 1342/1342 1342 ± 0 6.231 5.909/6.894 6.419 ± 0.6251
ea09 1342 1342/1342 1342 ± 0 5.536 5.212/6.42 5.732 ± 0.6165
ea10 1342 1342/1342 1342 ± 0 5.34 5.165/6.107 5.581 ± 0.5461
ea11 1342 1342/1342 1342 ± 0.00004226 5.717 5.024/6.209 5.647 ± 0.611
ea12 1342 1342/1342 1342 ± 0.00004012 5.558 5.466/6.341 5.828 ± 0.5449
ea13 1342 1342/1342 1342 ± 0 5.883 5.742/6.493 6.093 ± 0.6309
ea14 1342 1342/1342 1342 ± 0 6.048 5.704/6.673 6.231 ± 0.5555
ea15 1342 1342/1342 1342 ± 0.00003029 5.916 5.651/6.715 6.196 ± 0.6769
ea17 1342 1342/1342 1342 ± 0 5.99 5.819/7.096 6.31 ± 0.6739
ea18 1342 1342/1342 1342 ± 0 6.253 6.005/7.087 6.5 ± 0.6665
ea19 1342 1342/1342 1342 ± 0.00003953 5.755 5.476/6.545 6.008 ± 0.5774
ea20 1342 1342/1342 1342 ± 0 5.76 5.511/6.545 6.011 ± 0.5598
ea21 1342 1342/1342 1342 ± 0.000002224 5.273 5.131/5.914 5.545 ± 0.4926
ea22 1342 1342/1342 1342 ± 0 6.163 5.937/7 6.422 ± 0.6325
ea23 1342 1342/1342 1342 ± 0 5.583 5.43/6.241 5.914 ± 0.6092
ea24 1342 1342/1342 1342 ± 0 5.856 5.424/6.646 5.994 ± 0.6175
ea25 1342 1342/1342 1342 ± 0.000002267 6.437 5.746/6.9 6.455 ± 0.7546
ea28 1342 1342/1342 1342 ± 0 6.001 5.872/7.066 6.411 ± 0.6259
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 5.58 5.414/5.749 5.572 ± 0.2775
4 1342 1342/1342 1342 ± 0.00003764 4.979 4.849/5.201 5.009 ± 0.2708
5 1342 1342/1342 1342 ± 0.00002392 5.467 5.328/5.722 5.524 ± 0.3167
6 1342 1342/1342 1342 ± 0.00002392 5.433 5.216/5.709 5.448 ± 0.3131
7 1342 1342/1342 1342 ± 0.00002392 5.489 5.368/5.727 5.513 ± 0.264
8 1342 1342/1342 1342 ± 0.00002392 5.466 5.232/5.654 5.445 ± 0.275
9 1342 1342/1342 1342 ± 0.00002392 5.729 5.61/5.971 5.751 ± 0.3033
10 1342 1342/1342 1342 ± 0.00002392 6.213 6.066/6.41 6.182 ± 0.2841
11 1342 1342/1342 1342 ± 0.00002392 6.391 6.153/6.626 6.391 ± 0.311
12 1342 1342/1342 1342 ± 0.00002392 6.542 6.238/6.751 6.542 ± 0.3508
13 1342 1342/1342 1342 ± 0.00002392 6.99 6.66/7.3 6.985 ± 0.3643
14 1342 1342/1342 1342 ± 0.00002392 7.031 6.739/7.436 7.072 ± 0.4219
15 1342 1342/1342 1342 ± 0.00002392 6.725 6.581/7.108 6.799 ± 0.3588
16 1342 1342/1342 1342 ± 0.00004585 5.775 5.486/6.135 5.792 ± 0.4094
17 1342 1342/1342 1342 ± 0.00004666 5.633 5.358/5.876 5.621 ± 0.3517
output_dir
 
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-29 02:13:24.306
End
2025-07-29 02:42:13.274
Duration
0:28:48.969
Note, WebLog generation is not included in the time.

CASA logs for stage 8