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

Statwt Summary Plot

VLASS3.2.sb45651824.eb45865366.60434.814344212966_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 6.22 5.15/6.679 5.968 ± 0.8869
ea02 1342 1342/1342 1342 ± 0 6.197 5.449/6.489 6.168 ± 0.6811
ea03 1342 1342/1342 1342 ± 0 6.151 5.162/6.668 5.999 ± 0.8041
ea04 1342 1342/1342 1342 ± 0 5.626 5.052/5.934 5.562 ± 0.568
ea05 1342 1342/1342 1342 ± 0 5.973 5.256/6.64 5.956 ± 0.6956
ea06 1342 1342/1342 1342 ± 0 5.92 4.994/6.129 5.699 ± 0.7079
ea07 1342 1342/1342 1342 ± 0 6.188 5.138/6.332 5.894 ± 0.7746
ea08 1342 1342/1342 1342 ± 0 6.577 5.364/6.898 6.281 ± 0.8406
ea09 1342 1342/1342 1342 ± 0 5.728 5.016/6.404 5.759 ± 0.7305
ea10 1342 1342/1342 1342 ± 0.00001396 5.512 4.775/6.109 5.466 ± 0.6737
ea11 1342 1342/1342 1342 ± 0.000001262 5.413 4.763/6.189 5.509 ± 0.7494
ea12 1342 1342/1342 1342 ± 0 5.562 5.121/6.307 5.714 ± 0.6678
ea13 1342 1342/1342 1342 ± 0 6.286 5.537/6.364 6.061 ± 0.5684
ea14 1342 1342/1342 1342 ± 0 6.1 5.422/6.583 6.06 ± 0.6394
ea15 1342 1342/1342 1342 ± 0 6.395 5.627/6.851 6.396 ± 0.7547
ea16 1342 1342/1342 1342 ± 0 6.283 5.468/6.748 6.168 ± 0.8034
ea17 1342 1342/1342 1342 ± 0 6.305 5.565/7.086 6.249 ± 0.7709
ea18 1342 1342/1342 1342 ± 0 6.395 5.671/7.235 6.404 ± 0.8013
ea19 1342 1342/1342 1342 ± 0.00000706 6.007 4.808/6.647 5.735 ± 0.9097
ea20 1342 1342/1342 1342 ± 0 6.529 6.298/6.845 6.618 ± 0.334
ea21 1342 1342/1342 1342 ± 0 5.496 5.067/6.019 5.607 ± 0.5685
ea22 1342 1342/1342 1342 ± 0 6.349 5.322/6.797 6.12 ± 0.8081
ea23 1342 1342/1342 1342 ± 0 5.837 5.282/6.417 5.938 ± 0.7868
ea24 1342 1342/1342 1342 ± 0 6.184 5.026/6.572 5.787 ± 0.8018
ea25 1342 1342/1342 1342 ± 0 6.6 5.33/6.975 6.325 ± 0.9532
ea27 1342 1342/1342 1342 ± 0 5.828 5.099/6.479 5.794 ± 0.7317
ea28 1342 1342/1342 1342 ± 0 6.534 5.574/7.026 6.38 ± 0.7811
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 ± 0.00002348 5.084 4.896/5.303 5.12 ± 0.3309
4 1342 1342/1342 1342 ± 0.0000266 4.972 4.765/5.316 5.011 ± 0.3424
5 1342 1342/1342 1342 ± 0.00002348 5.298 5.065/5.593 5.32 ± 0.3043
6 1342 1342/1342 1342 ± 0.00002348 5.157 4.982/5.509 5.185 ± 0.2962
7 1342 1342/1342 1342 ± 0.00002348 5.264 5.041/5.406 5.243 ± 0.2539
8 1342 1342/1342 1342 ± 0.00002348 5.154 4.974/5.399 5.178 ± 0.2843
9 1342 1342/1342 1342 ± 0.00002348 5.504 5.235/5.772 5.497 ± 0.2894
10 1342 1342/1342 1342 ± 0.00002348 6.192 6.112/6.367 6.195 ± 0.2711
11 1342 1342/1342 1342 ± 0.00002305 6.402 6.205/6.57 6.401 ± 0.2768
12 1342 1342/1342 1342 ± 0.00002305 6.586 6.337/6.747 6.555 ± 0.3207
13 1342 1342/1342 1342 ± 0.00002305 7.026 6.681/7.298 6.992 ± 0.3484
14 1342 1342/1342 1342 ± 0.00002305 7.215 6.954/7.481 7.191 ± 0.3591
15 1342 1342/1342 1342 ± 0.00002305 6.842 6.625/7.243 6.878 ± 0.3865
16 1342 1342/1342 1342 ± 0.0000236 6.289 5.964/6.561 6.252 ± 0.4202
17 1342 1342/1342 1342 ± 0.00002305 6.24 6.003/6.513 6.213 ± 0.4015
vis
VLASS3.2.sb45651824.eb45865366.60434.814344212966_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-24 15:11:57.984
End
2025-07-24 16:06:22.163
Duration
0:54:24.179
Note, WebLog generation is not included in the time.

CASA logs for stage 8