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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.459 5.222/6.286 5.639 ± 0.862
ea02 1342 1342/1342 1342 ± 0.00001536 5.598 5.164/6.327 5.611 ± 0.89
ea03 1342 1342/1342 1342 ± 0.000004281 5.241 5.096/6.573 5.701 ± 0.8444
ea04 1342 1342/1342 1342 ± 0.00004506 5.113 4.899/6.007 5.258 ± 0.701
ea05 1342 1342/1342 1342 ± 0.00004812 5.281 5.029/6.311 5.491 ± 0.8243
ea06 1342 1342/1342 1342 ± 0.00001603 4.898 4.783/5.893 5.313 ± 0.7268
ea07 1342 1342/1342 1342 ± 0.00001718 5.246 4.826/6.095 5.368 ± 0.8615
ea08 1342 1342/1342 1342 ± 0 5.726 5.206/6.611 5.797 ± 0.8789
ea09 1342 1342/1342 1342 ± 0.0000454 5.078 4.773/6 5.234 ± 0.7467
ea10 1342 1342/1342 1342 ± 0.000043 5.027 4.428/5.869 5.034 ± 0.8129
ea11 1342 1342/1342 1342 ± 0.00004894 5.157 4.526/6.262 5.274 ± 0.894
ea12 1342 1342/1342 1342 ± 0.00004272 5.112 4.912/5.868 5.267 ± 0.7338
ea14 1342 1342/1342 1342 ± 0.00004755 5.448 5.235/6.386 5.554 ± 0.8039
ea15 1342 1342/1342 1342 ± 0.00004879 5.289 5.227/6.444 5.534 ± 0.9161
ea16 1342 1342/1342 1342 ± 0.00001769 5.629 5.111/6.552 5.806 ± 0.8025
ea17 1342 1342/1342 1342 ± 0.00002916 5.44 5.111/6.375 5.648 ± 0.9261
ea18 1342 1342/1342 1342 ± 0 5.614 5.38/6.702 5.893 ± 0.8622
ea19 1342 1342/1342 1342 ± 0.00004033 5.376 5.151/6.241 5.566 ± 0.7824
ea21 1342 1342/1342 1342 ± 0.000002764 4.912 4.796/5.753 5.19 ± 0.6406
ea22 1342 1342/1342 1342 ± 0.000001249 5.499 4.993/6.269 5.571 ± 0.7732
ea23 1342 1342/1342 1342 ± 0.00004754 5.48 5.06/6.285 5.575 ± 0.8657
ea24 1342 1342/1342 1342 ± 0.00001085 5.284 5.072/6.252 5.594 ± 0.6907
ea25 1342 1342/1342 1342 ± 0.000009404 5.686 5.253/6.76 6.008 ± 0.9091
ea27 1342 1342/1342 1342 ± 0.000008361 5.241 4.942/6.355 5.539 ± 0.7609
ea28 1342 1342/1342 1342 ± 0.00001352 5.633 5.518/6.751 5.937 ± 0.8393
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 ± 0.00002393 5.106 4.925/5.228 5.052 ± 0.3004
4 1342 1342/1342 1342 ± 0.00005622 3.407 3.321/3.493 3.451 ± 0.235
5 1342 1342/1342 1342 ± 0.00002471 5.095 4.825/5.257 5.07 ± 0.3208
6 1342 1342/1342 1342 ± 0.00002393 5.114 4.902/5.363 5.112 ± 0.2655
7 1342 1342/1342 1342 ± 0.00002393 5.167 5.057/5.297 5.149 ± 0.2306
8 1342 1342/1342 1342 ± 0.00002393 5.111 4.94/5.266 5.098 ± 0.2569
9 1342 1342/1342 1342 ± 0.00002393 5.448 5.254/5.632 5.417 ± 0.2608
10 1342 1342/1342 1342 ± 0.00002393 6.019 5.864/6.155 5.98 ± 0.2557
11 1342 1342/1342 1342 ± 0.00002393 6.312 6.092/6.391 6.266 ± 0.2613
12 1342 1342/1342 1342 ± 0.00002393 6.452 6.288/6.605 6.427 ± 0.2989
13 1342 1342/1342 1342 ± 0.00002395 6.727 6.405/7.043 6.731 ± 0.3419
14 1342 1342/1342 1342 ± 0.00004892 6.04 5.656/6.455 6.124 ± 0.5981
15 1342 1342/1342 1342 ± 0.00002393 6.552 6.267/6.889 6.58 ± 0.3649
16 1342 1342/1342 1342 ± 0.00006099 4.257 4.024/4.674 4.367 ± 0.4188
17 1342 1342/1342 1342 ± 0.00006091 4.189 4.001/4.476 4.267 ± 0.3616
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
Start time
2025-07-23 04:44:58.188
End
2025-07-23 05:36:49.855
Duration
0:51:51.667
Note, WebLog generation is not included in the time.

CASA logs for stage 8