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 5.508 5.266/6.463 5.81 ± 0.7322
ea02 1342 1342/1342 1342 ± 0.00004228 5.505 5.09/6.242 5.648 ± 0.6458
ea03 1342 1342/1342 1342 ± 0.00001404 5.401 5.176/6.487 5.758 ± 0.7452
ea04 1342 1342/1342 1342 ± 0.00004212 5.097 4.954/5.916 5.352 ± 0.6116
ea05 1342 1342/1342 1342 ± 0.00004224 5.356 4.978/6.146 5.546 ± 0.6845
ea06 1342 1342/1342 1342 ± 0.00001412 5.319 4.822/5.934 5.473 ± 0.7077
ea07 1342 1342/1342 1342 ± 0.00004012 5.373 4.917/6.076 5.502 ± 0.6326
ea08 1342 1342/1342 1342 ± 0.00004119 5.878 5.348/6.552 5.894 ± 0.7008
ea09 1342 1342/1342 1342 ± 0.00004224 5.041 4.785/6.062 5.366 ± 0.6572
ea10 1342 1342/1342 1342 ± 0.00004326 4.525 4.361/4.87 4.594 ± 0.3221
ea11 1342 1342/1342 1342 ± 0.00004283 5.704 4.865/6.418 5.648 ± 0.8192
ea12 1342 1342/1342 1342 ± 0.00004075 5.091 4.795/5.924 5.273 ± 0.6376
ea14 1342 1342/1342 1342 ± 0.00004193 5.574 5.099/6.26 5.598 ± 0.6801
ea15 1342 1342/1342 1342 ± 0.00004261 5.562 5.166/6.396 5.764 ± 0.8553
ea16 1342 1342/1342 1342 ± 0.00001594 5.689 5.217/6.532 5.893 ± 0.7675
ea17 1342 1342/1342 1342 ± 0.00004109 5.719 5.222/6.407 5.861 ± 0.7107
ea18 1342 1342/1342 1342 ± 0.0000414 5.837 5.38/6.44 5.908 ± 0.7069
ea19 1342 1342/1342 1342 ± 0.00002885 5.427 5.131/6.399 5.662 ± 0.7444
ea20 1342 1342/1342 1342 ± 0.00002161 5.902 5.542/6.723 6.121 ± 0.7844
ea21 1342 1342/1342 1342 ± 0.00000504 5.073 4.874/5.741 5.31 ± 0.5441
ea22 1342 1342/1342 1342 ± 0.00004152 5.545 5.019/6.252 5.639 ± 0.6363
ea23 1342 1342/1342 1342 ± 0.00004195 5.744 5.109/6.306 5.725 ± 0.7078
ea24 1342 1342/1342 1342 ± 0.000006089 5.358 5.078/6.231 5.627 ± 0.6089
ea25 1342 1342/1342 1342 ± 0.000005929 5.872 5.45/6.551 6.108 ± 0.8041
ea27 1342 1342/1342 1342 ± 0.00001276 5.347 4.955/6.221 5.534 ± 0.7478
ea28 1342 1342/1342 1342 ± 0.00001682 5.743 5.564/6.64 6.072 ± 0.7433
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 ± 0.00002355 5.06 4.9/5.213 5.08 ± 0.2537
5 1342 1342/1342 1342 ± 0.00002492 5.213 5.002/5.538 5.206 ± 0.3697
6 1342 1342/1342 1342 ± 0.00002355 5.066 4.839/5.301 5.043 ± 0.2934
7 1342 1342/1342 1342 ± 0.00002355 5.142 5.018/5.376 5.172 ± 0.2719
8 1342 1342/1342 1342 ± 0.00002355 5.19 4.963/5.419 5.17 ± 0.3197
9 1342 1342/1342 1342 ± 0.00002355 5.442 5.317/5.721 5.457 ± 0.3215
10 1342 1342/1342 1342 ± 0.00002355 5.981 5.819/6.172 5.928 ± 0.3341
11 1342 1342/1342 1342 ± 0.00002355 6.25 6.045/6.404 6.193 ± 0.3509
12 1342 1342/1342 1342 ± 0.00002355 6.39 6.079/6.543 6.336 ± 0.4206
13 1342 1342/1342 1342 ± 0.00002355 6.785 6.557/7.074 6.741 ± 0.4975
14 1342 1342/1342 1342 ± 0.000024 6.544 6.262/6.951 6.619 ± 0.4829
15 1342 1342/1342 1342 ± 0.0000258 6.183 5.957/6.423 6.156 ± 0.4551
16 1342 1342/1342 1342 ± 0.00005821 4.707 4.512/4.948 4.737 ± 0.3538
17 1342 1342/1342 1342 ± 0.00005972 4.801 4.637/5.003 4.821 ± 0.322
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 15:44:06.650
End
2025-07-26 16:30:55.229
Duration
0:46:48.579
Note, WebLog generation is not included in the time.

CASA logs for stage 8