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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 5.969 5.531/6.447 6.05 ± 0.6538
ea02 1342 1342/1342 1342 ± 0 6.088 5.497/6.432 6.086 ± 0.6944
ea03 1342 1342/1342 1342 ± 0 6.021 5.319/6.641 5.995 ± 0.7413
ea04 1342 1342/1342 1342 ± 0.000002123 5.346 4.898/5.776 5.372 ± 0.6014
ea05 1342 1342/1342 1342 ± 0 5.84 5.303/6.496 5.889 ± 0.7448
ea06 1342 1342/1342 1342 ± 0 5.917 4.971/5.957 5.623 ± 0.6045
ea07 1342 1342/1342 1342 ± 0 5.832 5.137/6.299 5.837 ± 0.7273
ea08 1342 1342/1342 1342 ± 0 6.377 5.627/6.764 6.327 ± 0.6888
ea09 1342 1342/1342 1342 ± 0 5.763 5.163/6.526 5.833 ± 0.7028
ea10 1342 1342/1342 1342 ± 0.000001227 5.451 4.93/5.962 5.443 ± 0.6294
ea11 1342 1342/1342 1342 ± 0.000001226 5.439 5.03/6.271 5.574 ± 0.7291
ea12 1342 1342/1342 1342 ± 0 5.528 5.144/6.107 5.663 ± 0.6603
ea13 1342 1342/1342 1342 ± 0.000003242 5.747 5.431/6.202 5.777 ± 0.639
ea14 1342 1342/1342 1342 ± 0.000001733 6.064 5.478/6.484 6.001 ± 0.7305
ea15 1342 1342/1342 1342 ± 0.00000219 6.205 5.557/6.604 6.127 ± 0.7149
ea16 1342 1342/1342 1342 ± 0 6.054 5.625/6.691 6.182 ± 0.7217
ea17 1342 1342/1342 1342 ± 0 6.059 5.667/6.771 6.215 ± 0.7533
ea18 1342 1342/1342 1342 ± 0 6.298 5.781/6.903 6.364 ± 0.7231
ea19 1342 1342/1342 1342 ± 0 5.788 5.284/6.38 5.849 ± 0.6917
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.297 4.979/5.78 5.409 ± 0.49
ea22 1342 1342/1342 1342 ± 0 6.043 5.551/6.524 6.092 ± 0.6856
ea23 1342 1342/1342 1342 ± 0 6.061 5.4/6.37 5.981 ± 0.7893
ea24 1342 1342/1342 1342 ± 0.000004894 6.179 5.255/6.641 5.926 ± 0.7344
ea25 1342 1342/1342 1342 ± 0 6.437 5.61/6.885 6.35 ± 0.7919
ea27 1342 1342/1342 1342 ± 0 5.787 5.185/6.456 5.843 ± 0.7121
ea28 1342 1342/1342 1342 ± 0.000001245 6.326 5.638/6.931 6.212 ± 0.7484
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 5.335 5.175/5.555 5.36 ± 0.2599
3 1342 1342/1342 1342 ± 0.00002725 4.779 4.428/5.048 4.797 ± 0.4345
4 1342 1342/1342 1342 ± 0.00002348 5.173 4.897/5.429 5.179 ± 0.3508
5 1342 1342/1342 1342 ± 0.00002348 5.33 5.111/5.618 5.373 ± 0.3116
6 1342 1342/1342 1342 ± 0.00002348 5.251 4.991/5.384 5.223 ± 0.293
7 1342 1342/1342 1342 ± 0.00002348 5.428 5.305/5.606 5.398 ± 0.2558
8 1342 1342/1342 1342 ± 0.00002348 5.334 5.216/5.555 5.342 ± 0.2775
9 1342 1342/1342 1342 ± 0.00002348 5.679 5.499/5.882 5.673 ± 0.291
10 1342 1342/1342 1342 ± 0.00002348 6.194 6.012/6.304 6.133 ± 0.2654
11 1342 1342/1342 1342 ± 0.00002348 6.417 6.205/6.562 6.348 ± 0.2863
12 1342 1342/1342 1342 ± 0.00002348 6.541 6.264/6.693 6.488 ± 0.3431
13 1342 1342/1342 1342 ± 0.00002348 6.934 6.704/7.238 6.928 ± 0.3531
14 1342 1342/1342 1342 ± 0.00002348 7.187 6.897/7.386 7.106 ± 0.3801
15 1342 1342/1342 1342 ± 0.00002348 6.887 6.523/7.166 6.824 ± 0.3885
16 1342 1342/1342 1342 ± 0.00002348 6.23 5.955/6.433 6.205 ± 0.3896
17 1342 1342/1342 1342 ± 0.00002348 6.245 5.949/6.376 6.16 ± 0.3763
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
Start time
2025-07-25 20:11:36.525
End
2025-07-25 21:06:13.901
Duration
0:54:37.376
Note, WebLog generation is not included in the time.

CASA logs for stage 8