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

Statwt Summary Plot

VLASS3.2.sb45665927.eb46086746.60447.529309328704_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 6.191 5.489/6.627 6.076 ± 0.6582
ea02 1342 1342/1342 1342 ± 0 5.786 5.028/6.048 5.671 ± 0.6351
ea03 1342 1342/1342 1342 ± 0 6.203 5.357/6.836 6.171 ± 0.8168
ea04 1342 1342/1342 1342 ± 0.000005091 5.613 5.065/6.065 5.59 ± 0.6353
ea05 1342 1342/1342 1342 ± 0 6.034 5.288/6.798 5.995 ± 0.7306
ea06 1342 1342/1342 1342 ± 0 6.261 5.184/6.492 5.961 ± 0.7438
ea07 1342 1342/1342 1342 ± 0 5.857 5/6.206 5.702 ± 0.744
ea08 1342 1342/1342 1342 ± 0 5.818 4.778/6.019 5.539 ± 0.7276
ea09 1342 1342/1342 1342 ± 0 5.541 4.883/6.233 5.511 ± 0.6742
ea10 1342 1342/1342 1342 ± 0 5.749 5.063/6.208 5.669 ± 0.6384
ea11 1342 1342/1342 1342 ± 0 5.685 5.284/6.558 5.845 ± 0.753
ea12 1342 1342/1342 1342 ± 0 5.789 5.178/6.378 5.796 ± 0.6719
ea13 1342 1342/1342 1342 ± 0 5.344 4.594/5.61 5.221 ± 0.5619
ea14 1342 1342/1342 1342 ± 0 6.109 5.517/6.633 6.128 ± 0.6494
ea15 1342 1342/1342 1342 ± 0 5.985 5.429/6.566 6.01 ± 0.7087
ea16 1342 1342/1342 1342 ± 0 6.338 5.702/6.86 6.351 ± 0.7634
ea17 1342 1342/1342 1342 ± 0 6.065 5.511/6.925 6.187 ± 0.7433
ea18 1342 1342/1342 1342 ± 0 5.967 5.5/6.311 5.821 ± 0.5895
ea19 1342 1342/1342 1342 ± 0 6.13 5.415/6.672 6.075 ± 0.7133
ea20 1342 1342/1342 1342 ± 0 5.94 5.422/6.614 5.966 ± 0.6949
ea21 1342 1342/1342 1342 ± 0 5.647 5.025/6.04 5.576 ± 0.6073
ea22 1342 1342/1342 1342 ± 0 5.593 4.809/5.931 5.437 ± 0.6463
ea23 1342 1342/1342 1342 ± 0 6.237 5.403/6.385 6.052 ± 0.7262
ea24 1342 1342/1342 1342 ± 0 5.688 5.437/5.887 5.532 ± 0.481
ea25 1342 1342/1342 1342 ± 0 6.569 5.645/7.123 6.491 ± 0.8875
ea27 1342 1342/1342 1342 ± 0 6.074 5.263/6.533 5.945 ± 0.7047
ea28 1342 1342/1342 1342 ± 0 5.813 5.165/6.407 5.726 ± 0.6623
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 ± 0.00002395 5.31 5.092/5.426 5.23 ± 0.3121
4 1342 1342/1342 1342 ± 0.00002395 5.031 4.806/5.172 5.044 ± 0.3456
5 1342 1342/1342 1342 ± 0.0000246 5.034 4.854/5.195 5.055 ± 0.2566
6 1342 1342/1342 1342 ± 0.00002395 5.018 4.81/5.258 5.041 ± 0.2648
7 1342 1342/1342 1342 ± 0.00002366 5.287 4.881/5.426 5.215 ± 0.2894
8 1342 1342/1342 1342 ± 0.00002339 5.169 4.983/5.46 5.199 ± 0.3363
9 1342 1342/1342 1342 ± 0.00002339 5.626 5.318/5.792 5.548 ± 0.3443
10 1342 1342/1342 1342 ± 0.00002339 6.068 5.787/6.261 6.015 ± 0.3011
11 1342 1342/1342 1342 ± 0.00002339 6.273 5.97/6.541 6.242 ± 0.3126
12 1342 1342/1342 1342 ± 0.00002308 6.391 6.05/6.672 6.371 ± 0.3822
13 1342 1342/1342 1342 ± 0.00002308 6.828 6.512/7.162 6.825 ± 0.4317
14 1342 1342/1342 1342 ± 0.00002308 6.97 6.673/7.276 6.95 ± 0.4556
15 1342 1342/1342 1342 ± 0.00002308 6.678 6.39/6.937 6.687 ± 0.4198
16 1342 1342/1342 1342 ± 0.00002308 6.058 5.861/6.42 6.127 ± 0.3959
17 1342 1342/1342 1342 ± 0.00002308 5.998 5.789/6.456 6.053 ± 0.4019
vis
VLASS3.2.sb45665927.eb46086746.60447.529309328704_split_split.ms
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-29 05:58:37.324
End
2025-07-29 06:47:51.128
Duration
0:49:13.804
Note, WebLog generation is not included in the time.

CASA logs for stage 8