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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.026 5.619/6.741 6.07 ± 0.8486
ea02 1342 1342/1342 1342 ± 0 6.281 5.596/6.525 6.098 ± 0.8001
ea03 1342 1342/1342 1342 ± 0 6.122 5.487/6.721 6.137 ± 0.7026
ea04 1342 1342/1342 1342 ± 0 5.654 5.171/6.086 5.607 ± 0.7362
ea05 1342 1342/1342 1342 ± 0 5.908 5.368/6.456 5.886 ± 0.7928
ea06 1342 1342/1342 1342 ± 0 5.965 5.208/6.147 5.81 ± 0.6207
ea07 1342 1342/1342 1342 ± 0 5.933 5.323/6.477 5.908 ± 0.8069
ea08 1342 1342/1342 1342 ± 0 6.633 5.688/6.866 6.395 ± 0.6991
ea09 1342 1342/1342 1342 ± 0 5.665 5.135/6.389 5.68 ± 0.9009
ea10 1342 1342/1342 1342 ± 0 5.674 5.075/6.13 5.584 ± 0.8151
ea11 1342 1342/1342 1342 ± 0.000001533 5.588 5.243/6.356 5.686 ± 0.7858
ea12 1342 1342/1342 1342 ± 0 5.541 5.295/6.152 5.665 ± 0.7139
ea13 1342 1342/1342 1342 ± 0 6.18 5.515/6.277 5.998 ± 0.544
ea14 1342 1342/1342 1342 ± 0 6.045 5.619/6.548 6.016 ± 0.8134
ea15 1342 1342/1342 1342 ± 0 6.726 6.675/7.296 6.909 ± 0.4102
ea17 1342 1342/1342 1342 ± 0 6.202 5.756/6.85 6.186 ± 0.9285
ea18 1342 1342/1342 1342 ± 0 6.47 5.874/7.068 6.418 ± 0.6952
ea19 1342 1342/1342 1342 ± 0 5.943 5.533/6.52 5.957 ± 0.7779
ea20 1342 1342/1342 1342 ± 0 6.423 5.896/6.966 6.424 ± 0.7616
ea21 1342 1342/1342 1342 ± 0 5.398 5.134/5.928 5.474 ± 0.6616
ea22 1342 1342/1342 1342 ± 0 6.524 5.644/6.868 6.299 ± 0.7631
ea23 1342 1342/1342 1342 ± 0.000006315 6.003 5.498/6.332 5.907 ± 0.8669
ea24 1342 1342/1342 1342 ± 0 6.043 5.198/6.407 5.815 ± 0.6408
ea25 1342 1342/1342 1342 ± 0 6.363 5.732/6.936 6.377 ± 0.8517
ea27 1342 1342/1342 1342 ± 0 5.623 5.245/6.367 5.667 ± 0.8117
ea28 1342 1342/1342 1342 ± 0 6.466 5.767/7.057 6.382 ± 0.7739
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 ± 0.00002396 5.503 5.402/5.664 5.525 ± 0.2463
3 1342 1342/1342 1342 ± 0.00002634 3.936 3.659/4.472 4.111 ± 0.6408
4 1342 1342/1342 1342 ± 0.00002493 5.313 5.135/5.682 5.38 ± 0.3345
5 1342 1342/1342 1342 ± 0.00002445 5.245 5.051/5.477 5.264 ± 0.2775
6 1342 1342/1342 1342 ± 0.00002396 5.371 5.078/5.602 5.373 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002396 5.505 5.336/5.741 5.526 ± 0.2457
8 1342 1342/1342 1342 ± 0.00002396 5.484 5.204/5.661 5.454 ± 0.2857
9 1342 1342/1342 1342 ± 0.00002396 5.744 5.544/5.947 5.751 ± 0.2874
10 1342 1342/1342 1342 ± 0.00002352 6.255 6.088/6.321 6.223 ± 0.2662
11 1342 1342/1342 1342 ± 0.00002352 6.416 6.21/6.648 6.426 ± 0.2701
12 1342 1342/1342 1342 ± 0.00002352 6.466 6.32/6.738 6.555 ± 0.3172
13 1342 1342/1342 1342 ± 0.00002352 7.032 6.667/7.259 7.007 ± 0.3372
14 1342 1342/1342 1342 ± 0.00002352 7.244 6.895/7.502 7.184 ± 0.3417
15 1342 1342/1342 1342 ± 0.00002352 6.846 6.571/7.235 6.886 ± 0.3735
16 1342 1342/1342 1342 ± 0.00002383 6.312 5.965/6.76 6.329 ± 0.424
17 1342 1342/1342 1342 ± 0.00002369 6.261 6.029/6.654 6.279 ± 0.4038
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
Start time
2025-07-29 20:38:44.238
End
2025-07-29 21:08:06.224
Duration
0:29:21.986
Note, WebLog generation is not included in the time.

CASA logs for stage 8