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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.241 5.613/6.645 6.202 ± 0.6611
ea02 1342 1342/1342 1342 ± 0 6.313 5.659/6.596 6.26 ± 0.6169
ea03 1342 1342/1342 1342 ± 0 6.127 5.391/6.707 6.146 ± 0.7249
ea04 1342 1342/1342 1342 ± 0 5.663 5.214/6.091 5.66 ± 0.5718
ea05 1342 1342/1342 1342 ± 0 5.969 5.306/6.634 5.976 ± 0.6275
ea06 1342 1342/1342 1342 ± 0 6.005 5.202/6.128 5.783 ± 0.6069
ea07 1342 1342/1342 1342 ± 0 6.052 5.305/6.378 5.948 ± 0.678
ea08 1342 1342/1342 1342 ± 0 6.581 5.703/6.817 6.404 ± 0.6535
ea09 1342 1342/1342 1342 ± 0 5.893 5.234/6.411 5.881 ± 0.6265
ea10 1342 1342/1342 1342 ± 0.00000126 5.533 5.042/5.977 5.538 ± 0.53
ea11 1342 1342/1342 1342 ± 0 5.483 5.22/6.287 5.699 ± 0.6406
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.946 5.475/6.213 5.91 ± 0.497
ea14 1342 1342/1342 1342 ± 0 6.077 5.533/6.405 6.077 ± 0.5196
ea15 1342 1342/1342 1342 ± 0 6.268 5.665/6.655 6.237 ± 0.7012
ea16 1342 1342/1342 1342 ± 0 6.207 5.75/6.676 6.268 ± 0.6782
ea17 1342 1342/1342 1342 ± 0.00000126 6.122 5.706/6.866 6.235 ± 0.6685
ea18 1342 1342/1342 1342 ± 0 6.302 5.776/6.848 6.235 ± 0.6016
ea19 1342 1342/1342 1342 ± 0 6.066 5.429/6.573 6.022 ± 0.6009
ea20 1342 1342/1342 1342 ± 0 6.111 5.635/6.679 6.132 ± 0.6062
ea21 1342 1342/1342 1342 ± 0 5.466 5.128/5.905 5.566 ± 0.4914
ea22 1342 1342/1342 1342 ± 0 6.332 5.631/6.708 6.196 ± 0.6374
ea23 1342 1342/1342 1342 ± 0.00000126 6.238 5.538/6.378 6.11 ± 0.655
ea24 1342 1342/1342 1342 ± 0 6.068 5.195/6.473 5.857 ± 0.6269
ea25 1342 1342/1342 1342 ± 0 6.361 5.666/6.843 6.376 ± 0.7569
ea27 1342 1342/1342 1342 ± 0 6.043 5.267/6.464 5.908 ± 0.6729
ea28 1342 1342/1342 1342 ± 0 6.374 5.739/6.869 6.338 ± 0.631
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 ± 0.00002367 5.498 5.327/5.665 5.499 ± 0.2529
4 1342 1342/1342 1342 ± 0.00002491 5.372 5.19/5.582 5.386 ± 0.3103
5 1342 1342/1342 1342 ± 0.00002372 5.35 5.123/5.55 5.358 ± 0.3079
6 1342 1342/1342 1342 ± 0.00002367 5.354 5.039/5.51 5.323 ± 0.3113
7 1342 1342/1342 1342 ± 0.00002367 5.492 5.305/5.678 5.47 ± 0.2334
8 1342 1342/1342 1342 ± 0.00002367 5.477 5.194/5.644 5.423 ± 0.2609
9 1342 1342/1342 1342 ± 0.00002367 5.757 5.597/5.926 5.726 ± 0.2618
10 1342 1342/1342 1342 ± 0.00002367 6.168 6.058/6.301 6.14 ± 0.2292
11 1342 1342/1342 1342 ± 0.00002367 6.358 6.218/6.466 6.351 ± 0.2377
12 1342 1342/1342 1342 ± 0.00002367 6.572 6.255/6.708 6.492 ± 0.2756
13 1342 1342/1342 1342 ± 0.00002367 6.939 6.691/7.144 6.913 ± 0.3064
14 1342 1342/1342 1342 ± 0.00002367 7.231 6.905/7.418 7.137 ± 0.3348
15 1342 1342/1342 1342 ± 0.00002367 6.847 6.632/7.168 6.868 ± 0.351
16 1342 1342/1342 1342 ± 0.00002367 6.239 6.043/6.552 6.245 ± 0.3637
17 1342 1342/1342 1342 ± 0.00002367 6.272 6.067/6.484 6.216 ± 0.3359
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-25 10:50:53.130
End
2025-07-25 11:44:24.869
Duration
0:53:31.739
Note, WebLog generation is not included in the time.

CASA logs for stage 8