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 6.288 5.848/6.902 6.361 ± 0.8026
ea03 1342 1342/1342 1342 ± 0 5.663 5.094/6.553 5.746 ± 0.893
ea04 1342 1342/1342 1342 ± 0 5.739 5.289/6.463 5.858 ± 0.8268
ea05 1342 1342/1342 1342 ± 0 6.307 5.639/7.077 6.365 ± 0.8127
ea06 1342 1342/1342 1342 ± 0 6.162 5.583/6.638 6.132 ± 0.7804
ea07 1342 1342/1342 1342 ± 0 6.083 5.434/6.496 6.032 ± 0.807
ea08 1342 1342/1342 1342 ± 0 6.154 5.501/6.866 6.185 ± 0.8213
ea09 1342 1342/1342 1342 ± 0 6.14 5.561/6.848 6.191 ± 0.8819
ea10 1342 1342/1342 1342 ± 0 6.316 5.657/7.141 6.287 ± 0.9184
ea11 1342 1342/1342 1342 ± 0 6.38 5.411/6.832 6.234 ± 0.8323
ea12 1342 1342/1342 1342 ± 0 6.542 5.73/6.984 6.445 ± 0.8533
ea13 1342 1342/1342 1342 ± 0 5.744 5.675/6.368 6.013 ± 0.5102
ea14 1342 1342/1342 1342 ± 0 6.36 5.712/6.966 6.351 ± 0.9108
ea15 1342 1342/1342 1342 ± 0 5.88 5.398/6.476 5.933 ± 0.7876
ea16 1342 1342/1342 1342 ± 0 6.523 5.915/7.042 6.46 ± 0.8809
ea17 1342 1342/1342 1342 ± 0 6.845 6.273/7.859 6.963 ± 0.8632
ea18 1342 1342/1342 1342 ± 0 5.204 4.762/5.555 5.225 ± 0.4979
ea19 1342 1342/1342 1342 ± 0 6.438 5.891/7.14 6.495 ± 0.9001
ea20 1342 1342/1342 1342 ± 0 5.945 5.576/6.687 6.077 ± 0.8267
ea21 1342 1342/1342 1342 ± 0 5.427 5.156/6.022 5.616 ± 0.5363
ea22 1342 1342/1342 1342 ± 0.000004748 6.386 5.425/6.781 6.163 ± 0.7652
ea23 1342 1342/1342 1342 ± 0 6.325 5.764/6.889 6.413 ± 0.7682
ea24 1342 1342/1342 1342 ± 0 6.129 5.341/6.636 6.002 ± 0.6527
ea25 1342 1342/1342 1342 ± 0 6.78 5.702/7.206 6.575 ± 0.9045
ea26 1342 1342/1342 1342 ± 0 6.732 6.129/7.523 6.738 ± 0.8909
ea27 1342 1342/1342 1342 ± 0 6.115 5.65/7.057 6.247 ± 0.8083
ea28 1342 1342/1342 1342 ± 0 6.314 5.867/7.097 6.498 ± 0.7827
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 ± 0.00002307 5.602 5.366/5.842 5.581 ± 0.333
3 1342 1342/1342 1342 ± 0.00002409 5.248 4.997/5.407 5.236 ± 0.3196
4 1342 1342/1342 1342 ± 0.00003159 4.28 4.173/4.422 4.35 ± 0.2827
5 1342 1342/1342 1342 ± 0.00002307 5.695 5.342/5.812 5.603 ± 0.343
6 1342 1342/1342 1342 ± 0.00002307 5.588 5.43/5.823 5.574 ± 0.3136
7 1342 1342/1342 1342 ± 0.00002307 5.671 5.422/5.784 5.628 ± 0.3154
8 1342 1342/1342 1342 ± 0.00002307 5.564 5.309/5.81 5.561 ± 0.351
9 1342 1342/1342 1342 ± 0.00002307 5.909 5.666/6.16 5.872 ± 0.3499
10 1342 1342/1342 1342 ± 0.00002307 6.544 6.279/6.673 6.447 ± 0.3551
11 1342 1342/1342 1342 ± 0.00002307 6.774 6.511/6.922 6.694 ± 0.3791
12 1342 1342/1342 1342 ± 0.00002307 6.89 6.614/7.059 6.823 ± 0.4507
13 1342 1342/1342 1342 ± 0.00002307 7.389 7.127/7.734 7.357 ± 0.4814
14 1342 1342/1342 1342 ± 0.00002307 7.645 7.261/7.887 7.56 ± 0.4925
15 1342 1342/1342 1342 ± 0.00002307 7.158 6.819/7.461 7.147 ± 0.4535
16 1342 1342/1342 1342 ± 0.00002307 6.419 6.262/6.902 6.474 ± 0.4485
17 1342 1342/1342 1342 ± 0.00002307 6.475 6.204/6.81 6.436 ± 0.4616
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-06-11 09:44:28.250
End
2025-06-11 10:58:38.578
Duration
1:14:10.328
Note, WebLog generation is not included in the time.

CASA logs for stage 8