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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.435 5.243/6.474 5.817 ± 0.684
ea02 1342 1342/1342 1342 ± 0.00004373 5.577 5.163/6.305 5.724 ± 0.647
ea03 1342 1342/1342 1342 ± 0.0000288 5.331 5.136/6.429 5.729 ± 0.7456
ea04 1342 1342/1342 1342 ± 0.00004302 5.128 4.973/5.955 5.397 ± 0.604
ea05 1342 1342/1342 1342 ± 0.00004299 5.316 4.983/6.171 5.585 ± 0.7045
ea06 1342 1342/1342 1342 ± 0.000008259 5.197 4.785/5.906 5.439 ± 0.7014
ea07 1342 1342/1342 1342 ± 0.00004238 5.316 4.937/6.058 5.5 ± 0.6492
ea08 1342 1342/1342 1342 ± 0.00004277 5.795 5.367/6.63 5.927 ± 0.7331
ea09 1342 1342/1342 1342 ± 0.0000418 5.082 4.862/5.929 5.403 ± 0.6259
ea10 1342 1342/1342 1342 ± 0.00004427 4.555 4.377/4.92 4.627 ± 0.3183
ea11 1342 1342/1342 1342 ± 0.00004328 5.619 4.81/6.432 5.645 ± 0.823
ea12 1342 1342/1342 1342 ± 0.00004054 5.12 4.81/5.986 5.342 ± 0.6424
ea14 1342 1342/1342 1342 ± 0.00004279 5.707 5.104/6.303 5.653 ± 0.6886
ea15 1342 1342/1342 1342 ± 0.00004279 5.491 5.062/6.407 5.734 ± 0.8154
ea16 1342 1342/1342 1342 ± 0.00001528 5.728 5.316/6.371 5.897 ± 0.7396
ea17 1342 1342/1342 1342 ± 0.00004314 5.694 5.222/6.438 5.9 ± 0.7279
ea18 1342 1342/1342 1342 ± 0.00004262 5.837 5.375/6.625 5.971 ± 0.7511
ea19 1342 1342/1342 1342 ± 0.00002948 5.357 5.119/6.237 5.637 ± 0.7248
ea20 1342 1342/1342 1342 ± 0.00001883 5.901 5.488/6.722 6.093 ± 0.7632
ea21 1342 1342/1342 1342 ± 0.000007753 5.088 4.878/5.735 5.313 ± 0.5375
ea22 1342 1342/1342 1342 ± 0.00004244 5.458 5.007/6.251 5.626 ± 0.6495
ea23 1342 1342/1342 1342 ± 0.0000426 5.687 5.081/6.268 5.717 ± 0.7231
ea24 1342 1342/1342 1342 ± 0.000008805 5.3 5.056/6.238 5.611 ± 0.6001
ea25 1342 1342/1342 1342 ± 0 5.834 5.426/6.522 6.085 ± 0.7973
ea27 1342 1342/1342 1342 ± 0.0000101 5.292 4.901/6.238 5.494 ± 0.7239
ea28 1342 1342/1342 1342 ± 0.00001567 5.723 5.566/6.65 6.075 ± 0.6991
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 ± 0.00002356 5.1 4.896/5.203 5.077 ± 0.2505
5 1342 1342/1342 1342 ± 0.0000277 5.173 4.938/5.5 5.224 ± 0.3832
6 1342 1342/1342 1342 ± 0.00002356 5.066 4.831/5.288 5.05 ± 0.2794
7 1342 1342/1342 1342 ± 0.00002356 5.192 5.015/5.37 5.173 ± 0.2669
8 1342 1342/1342 1342 ± 0.00002356 5.174 4.976/5.406 5.178 ± 0.3217
9 1342 1342/1342 1342 ± 0.00002361 5.416 5.256/5.702 5.432 ± 0.321
10 1342 1342/1342 1342 ± 0.00002354 5.977 5.812/6.145 5.941 ± 0.3234
11 1342 1342/1342 1342 ± 0.00002354 6.256 6.051/6.431 6.206 ± 0.3487
12 1342 1342/1342 1342 ± 0.00002354 6.369 6.107/6.545 6.354 ± 0.4146
13 1342 1342/1342 1342 ± 0.00002354 6.853 6.551/7.085 6.781 ± 0.4911
14 1342 1342/1342 1342 ± 0.00002399 6.657 6.445/7.042 6.738 ± 0.4135
15 1342 1342/1342 1342 ± 0.00003004 6.168 5.909/6.4 6.132 ± 0.4075
16 1342 1342/1342 1342 ± 0.00005822 4.795 4.597/5.053 4.828 ± 0.3297
17 1342 1342/1342 1342 ± 0.00005886 4.876 4.705/5.079 4.894 ± 0.3001
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-08-07 10:38:57.363
End
2025-08-07 11:33:15.392
Duration
0:54:18.029
Note, WebLog generation is not included in the time.

CASA logs for stage 8