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 5.371 5.3/6.027 5.638 ± 0.4471
ea02 1342 1342/1342 1342 ± 0.000001304 6.087 5.685/6.485 6.271 ± 0.58
ea03 1342 1342/1342 1342 ± 0 6.119 5.519/6.732 6.16 ± 0.6292
ea04 1342 1342/1342 1342 ± 0.000004121 5.441 5.224/6.011 5.564 ± 0.4835
ea05 1342 1342/1342 1342 ± 0.000008228 5.663 5.386/6.449 5.91 ± 0.5782
ea06 1342 1342/1342 1342 ± 0.000002607 5.754 5.13/6.042 5.742 ± 0.5695
ea07 1342 1342/1342 1342 ± 0 5.902 5.371/6.301 5.971 ± 0.6578
ea08 1342 1342/1342 1342 ± 0 6.236 5.783/6.8 6.387 ± 0.5937
ea09 1342 1342/1342 1342 ± 0 5.657 5.208/6.38 5.781 ± 0.5817
ea10 1342 1342/1342 1342 ± 0 5.396 5.145/6.042 5.571 ± 0.5321
ea11 1342 1342/1342 1342 ± 0.00002467 5.525 4.966/6.179 5.572 ± 0.6304
ea12 1342 1342/1342 1342 ± 0.00001015 5.577 5.435/6.284 5.785 ± 0.5293
ea13 1342 1342/1342 1342 ± 0 6.089 5.655/6.404 6.084 ± 0.6003
ea14 1342 1342/1342 1342 ± 0.000001304 6.066 5.689/6.625 6.17 ± 0.5365
ea15 1342 1342/1342 1342 ± 0.00001557 5.911 5.694/6.711 6.212 ± 0.6682
ea17 1342 1342/1342 1342 ± 0 6.064 5.844/6.998 6.276 ± 0.6626
ea18 1342 1342/1342 1342 ± 0 6.474 6.046/7.167 6.569 ± 0.6184
ea19 1342 1342/1342 1342 ± 0.00001117 5.771 5.486/6.543 5.997 ± 0.5449
ea20 1342 1342/1342 1342 ± 0 6.11 5.692/6.741 6.23 ± 0.5608
ea21 1342 1342/1342 1342 ± 0 5.399 5.208/5.881 5.567 ± 0.4692
ea22 1342 1342/1342 1342 ± 0 6.212 5.9/6.875 6.33 ± 0.5929
ea23 1342 1342/1342 1342 ± 0.000004322 5.766 5.503/6.345 5.975 ± 0.622
ea24 1342 1342/1342 1342 ± 0 6.104 5.309/6.508 5.957 ± 0.5916
ea25 1342 1342/1342 1342 ± 0 6.484 5.786/6.914 6.499 ± 0.7389
ea28 1342 1342/1342 1342 ± 0 6.354 5.842/7.039 6.405 ± 0.634
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 5.52 5.315/5.702 5.531 ± 0.2825
5 1342 1342/1342 1342 ± 0.00002392 5.469 5.264/5.712 5.504 ± 0.3278
6 1342 1342/1342 1342 ± 0.00002392 5.302 5.035/5.502 5.279 ± 0.3174
7 1342 1342/1342 1342 ± 0.00002392 5.519 5.321/5.695 5.507 ± 0.2642
8 1342 1342/1342 1342 ± 0.00002392 5.473 5.188/5.669 5.442 ± 0.2929
9 1342 1342/1342 1342 ± 0.00002392 5.709 5.571/5.958 5.738 ± 0.3119
10 1342 1342/1342 1342 ± 0.00002392 6.173 5.983/6.362 6.142 ± 0.2852
11 1342 1342/1342 1342 ± 0.00002392 6.377 6.104/6.585 6.35 ± 0.3168
12 1342 1342/1342 1342 ± 0.00002392 6.508 6.281/6.739 6.504 ± 0.3537
13 1342 1342/1342 1342 ± 0.00002392 6.989 6.614/7.185 6.951 ± 0.3776
14 1342 1342/1342 1342 ± 0.00002392 7.051 6.634/7.362 6.989 ± 0.443
15 1342 1342/1342 1342 ± 0.00002392 6.799 6.44/7.066 6.742 ± 0.3811
16 1342 1342/1342 1342 ± 0.00002768 5.89 5.541/6.184 5.886 ± 0.4283
17 1342 1342/1342 1342 ± 0.00003149 5.814 5.484/6.116 5.784 ± 0.4132
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-19 05:08:31.937
End
2025-07-19 05:55:25.868
Duration
0:46:53.932
Note, WebLog generation is not included in the time.

CASA logs for stage 8