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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.473 5.232/6.213 5.548 ± 0.9296
ea02 1342 1342/1342 1342 ± 0.00001938 5.612 5.297/6.417 5.654 ± 0.9254
ea03 1342 1342/1342 1342 ± 0.00000446 5.259 5.114/6.657 5.725 ± 0.8606
ea04 1342 1342/1342 1342 ± 0.00004516 5.14 4.891/6.005 5.179 ± 0.7697
ea05 1342 1342/1342 1342 ± 0.00005132 5.313 4.951/6.413 5.387 ± 0.9954
ea06 1342 1342/1342 1342 ± 0.0000249 4.86 4.711/5.901 5.2 ± 0.83
ea07 1342 1342/1342 1342 ± 0.00002273 5.108 4.909/6.221 5.416 ± 0.9404
ea08 1342 1342/1342 1342 ± 0 5.886 5.459/6.72 5.963 ± 0.8714
ea09 1342 1342/1342 1342 ± 0.00004575 4.94 4.645/5.937 5.101 ± 0.758
ea10 1342 1342/1342 1342 ± 0.00004871 4.99 4.594/6.06 5.091 ± 0.9066
ea11 1342 1342/1342 1342 ± 0.00004934 5.245 4.547/6.302 5.279 ± 0.9252
ea12 1342 1342/1342 1342 ± 0.00004675 5.141 4.829/5.939 5.165 ± 0.8364
ea14 1342 1342/1342 1342 ± 0.00005107 5.486 5.239/6.505 5.539 ± 0.9356
ea15 1342 1342/1342 1342 ± 0.00005161 5.603 4.94/6.542 5.553 ± 1.038
ea16 1342 1342/1342 1342 ± 0.00002307 5.651 4.864/6.631 5.694 ± 1.012
ea17 1342 1342/1342 1342 ± 0.00003275 5.597 5.257/6.515 5.714 ± 0.9863
ea18 1342 1342/1342 1342 ± 0.000002998 5.739 5.429/6.785 5.859 ± 0.9914
ea19 1342 1342/1342 1342 ± 0.00004198 5.147 5.053/6.277 5.46 ± 0.8685
ea20 1342 1342/1342 1342 ± 0.00003881 5.822 5.546/6.864 5.941 ± 0.9026
ea21 1342 1342/1342 1342 ± 0.000007829 5.042 4.925/5.93 5.339 ± 0.6766
ea22 1342 1342/1342 1342 ± 0.00001819 5.628 5.156/6.451 5.664 ± 0.8866
ea23 1342 1342/1342 1342 ± 0.00004742 5.544 5.141/6.339 5.603 ± 0.8646
ea24 1342 1342/1342 1342 ± 0.000002516 5.381 5.06/6.235 5.588 ± 0.7372
ea25 1342 1342/1342 1342 ± 0.00001395 5.548 5.389/6.874 6.134 ± 0.9388
ea27 1342 1342/1342 1342 ± 0.00002121 5.169 5.016/6.293 5.471 ± 0.796
ea28 1342 1342/1342 1342 ± 0.00001577 5.611 5.39/6.748 5.844 ± 0.8828
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 ± 0.00002353 5.157 4.994/5.295 5.163 ± 0.2632
4 1342 1342/1342 1342 ± 0.00006028 3.594 3.477/3.742 3.608 ± 0.1905
5 1342 1342/1342 1342 ± 0.00002418 5.084 4.904/5.39 5.113 ± 0.3244
6 1342 1342/1342 1342 ± 0.00002353 5.177 4.917/5.465 5.192 ± 0.2902
7 1342 1342/1342 1342 ± 0.00002353 5.248 5.006/5.422 5.223 ± 0.2699
8 1342 1342/1342 1342 ± 0.00002353 5.205 5.056/5.499 5.239 ± 0.2998
9 1342 1342/1342 1342 ± 0.00002353 5.551 5.375/5.786 5.561 ± 0.3174
10 1342 1342/1342 1342 ± 0.00002353 6.146 5.875/6.268 6.096 ± 0.2942
11 1342 1342/1342 1342 ± 0.00002353 6.396 6.21/6.516 6.365 ± 0.287
12 1342 1342/1342 1342 ± 0.00002353 6.56 6.245/6.676 6.511 ± 0.3283
13 1342 1342/1342 1342 ± 0.00002384 6.813 6.403/7.139 6.81 ± 0.3736
14 1342 1342/1342 1342 ± 0.0000499 5.944 5.578/6.361 6.034 ± 0.6347
15 1342 1342/1342 1342 ± 0.00002353 6.75 6.331/7.02 6.689 ± 0.3785
16 1342 1342/1342 1342 ± 0.000061 4.134 3.925/4.612 4.282 ± 0.4413
17 1342 1342/1342 1342 ± 0.00006104 4.211 4.041/4.532 4.3 ± 0.3503
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-22 12:06:33.956
End
2025-07-22 13:01:04.454
Duration
0:54:30.498
Note, WebLog generation is not included in the time.

CASA logs for stage 8