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 5.485 5.22/6.302 5.602 ± 0.8503
ea02 1342 1342/1342 1342 ± 0.00001566 5.659 5.205/6.363 5.66 ± 0.9033
ea03 1342 1342/1342 1342 ± 0.000001917 5.203 5.094/6.499 5.641 ± 0.8535
ea04 1342 1342/1342 1342 ± 0.0000453 5.128 4.927/6.044 5.215 ± 0.7682
ea05 1342 1342/1342 1342 ± 0.00004656 5.313 5.045/6.331 5.465 ± 0.843
ea06 1342 1342/1342 1342 ± 0.00002075 4.888 4.75/5.895 5.222 ± 0.7303
ea07 1342 1342/1342 1342 ± 0.000002366 5.152 4.866/6.124 5.387 ± 0.8831
ea08 1342 1342/1342 1342 ± 0.000001929 5.74 5.246/6.639 5.856 ± 0.8646
ea09 1342 1342/1342 1342 ± 0.00004391 5.089 4.81/6.051 5.256 ± 0.7166
ea10 1342 1342/1342 1342 ± 0.00003787 4.902 4.454/5.895 5.038 ± 0.8137
ea11 1342 1342/1342 1342 ± 0.00004907 5.168 4.534/6.271 5.243 ± 0.9172
ea12 1342 1342/1342 1342 ± 0.00004432 5.101 4.926/5.888 5.195 ± 0.7681
ea14 1342 1342/1342 1342 ± 0.0000457 5.448 5.277/6.405 5.539 ± 0.8077
ea15 1342 1342/1342 1342 ± 0.0000481 5.287 5.249/6.495 5.527 ± 0.8933
ea16 1342 1342/1342 1342 ± 0.00001761 5.648 5.141/6.553 5.712 ± 0.9054
ea17 1342 1342/1342 1342 ± 0.00001869 5.47 5.147/6.408 5.668 ± 0.9456
ea18 1342 1342/1342 1342 ± 0 5.657 5.392/6.716 5.919 ± 0.8272
ea19 1342 1342/1342 1342 ± 0.00003979 5.246 5.153/6.267 5.477 ± 0.8221
ea21 1342 1342/1342 1342 ± 0 4.939 4.821/5.758 5.172 ± 0.6473
ea22 1342 1342/1342 1342 ± 0.000001929 5.527 5.028/6.302 5.622 ± 0.7925
ea23 1342 1342/1342 1342 ± 0.00004223 5.495 5.22/6.311 5.586 ± 0.8708
ea24 1342 1342/1342 1342 ± 0.000003611 5.386 5.149/6.403 5.677 ± 0.635
ea25 1342 1342/1342 1342 ± 0.000009907 5.713 5.251/6.774 5.972 ± 0.9469
ea27 1342 1342/1342 1342 ± 0.000007701 5.258 4.956/6.375 5.499 ± 0.7525
ea28 1342 1342/1342 1342 ± 0 5.716 5.571/6.78 6.047 ± 0.7425
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 ± 0.00002398 5.137 4.944/5.24 5.074 ± 0.3039
4 1342 1342/1342 1342 ± 0.00004695 3.47 3.376/3.56 3.521 ± 0.2308
5 1342 1342/1342 1342 ± 0.00002441 5.106 4.835/5.351 5.104 ± 0.343
6 1342 1342/1342 1342 ± 0.00002398 5.147 4.93/5.4 5.149 ± 0.2687
7 1342 1342/1342 1342 ± 0.00002398 5.197 5.082/5.328 5.179 ± 0.2354
8 1342 1342/1342 1342 ± 0.00002398 5.141 4.963/5.287 5.123 ± 0.2595
9 1342 1342/1342 1342 ± 0.00002398 5.468 5.29/5.664 5.445 ± 0.264
10 1342 1342/1342 1342 ± 0.00002398 6.035 5.875/6.18 6.004 ± 0.2556
11 1342 1342/1342 1342 ± 0.00002398 6.331 6.12/6.41 6.292 ± 0.2644
12 1342 1342/1342 1342 ± 0.00002398 6.496 6.328/6.628 6.457 ± 0.3038
13 1342 1342/1342 1342 ± 0.00002398 6.748 6.394/6.991 6.719 ± 0.37
14 1342 1342/1342 1342 ± 0.00004549 5.777 5.348/6.439 5.905 ± 0.6523
15 1342 1342/1342 1342 ± 0.00002398 6.563 6.233/6.898 6.567 ± 0.3753
16 1342 1342/1342 1342 ± 0.00006067 4.087 3.9/4.382 4.206 ± 0.5232
17 1342 1342/1342 1342 ± 0.00006061 4.199 3.981/4.498 4.264 ± 0.3751
output_dir
 
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 15:23:25.629
End
2025-07-22 16:03:46.568
Duration
0:40:20.939
Note, WebLog generation is not included in the time.

CASA logs for stage 8