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 5.431 5.133/6.252 5.545 ± 0.9389
ea02 1342 1342/1342 1342 ± 0.00002926 5.573 5.132/6.314 5.504 ± 0.9825
ea03 1342 1342/1342 1342 ± 0.00000273 5.163 5.082/6.557 5.602 ± 0.9244
ea04 1342 1342/1342 1342 ± 0.00004716 5.089 4.879/5.998 5.201 ± 0.7701
ea05 1342 1342/1342 1342 ± 0.00005012 5.278 5.012/6.297 5.393 ± 0.9259
ea06 1342 1342/1342 1342 ± 0.00001791 4.851 4.735/5.87 5.234 ± 0.7786
ea07 1342 1342/1342 1342 ± 0.00003012 4.935 4.813/6.089 5.296 ± 0.9327
ea08 1342 1342/1342 1342 ± 0.000003728 5.563 5.185/6.605 5.695 ± 0.967
ea09 1342 1342/1342 1342 ± 0.00004748 5.027 4.764/5.957 5.153 ± 0.7992
ea10 1342 1342/1342 1342 ± 0.00004871 4.836 4.405/5.849 4.974 ± 0.8272
ea11 1342 1342/1342 1342 ± 0.00005061 5.153 4.46/6.266 5.192 ± 0.965
ea12 1342 1342/1342 1342 ± 0.00004392 5.053 4.87/5.859 5.22 ± 0.7537
ea14 1342 1342/1342 1342 ± 0.00004985 5.343 5.218/6.38 5.52 ± 0.8212
ea15 1342 1342/1342 1342 ± 0.00005025 5.254 4.848/6.444 5.476 ± 0.9674
ea16 1342 1342/1342 1342 ± 0.00001945 5.577 5.105/6.526 5.7 ± 0.9077
ea17 1342 1342/1342 1342 ± 0.00004025 5.397 5.041/6.364 5.588 ± 0.952
ea18 1342 1342/1342 1342 ± 0 5.507 5.325/6.697 5.799 ± 0.8988
ea19 1342 1342/1342 1342 ± 0.00003901 5.218 5.115/6.223 5.482 ± 0.8289
ea21 1342 1342/1342 1342 ± 0.000005892 4.905 4.756/5.732 5.111 ± 0.7077
ea22 1342 1342/1342 1342 ± 0.000003894 5.447 4.966/6.253 5.489 ± 0.8464
ea23 1342 1342/1342 1342 ± 0.00004799 5.444 5.064/6.273 5.549 ± 0.871
ea24 1342 1342/1342 1342 ± 0.00001693 5.176 4.999/6.292 5.538 ± 0.7775
ea25 1342 1342/1342 1342 ± 0.00001332 5.48 5.247/6.719 5.913 ± 0.9743
ea27 1342 1342/1342 1342 ± 0.00001404 5.124 4.917/6.323 5.46 ± 0.8159
ea28 1342 1342/1342 1342 ± 0.00002094 5.619 5.493/6.719 5.847 ± 0.9169
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 5.069 4.863/5.183 5.023 ± 0.3096
4 1342 1342/1342 1342 ± 0.00005969 3.559 3.457/3.944 3.691 ± 0.3231
5 1342 1342/1342 1342 ± 0.00002404 5.096 4.839/5.28 5.082 ± 0.3136
6 1342 1342/1342 1342 ± 0.00002393 5.082 4.879/5.334 5.079 ± 0.2584
7 1342 1342/1342 1342 ± 0.00002393 5.159 5.024/5.263 5.131 ± 0.2273
8 1342 1342/1342 1342 ± 0.00002393 5.093 4.919/5.243 5.087 ± 0.2531
9 1342 1342/1342 1342 ± 0.00002393 5.428 5.252/5.66 5.413 ± 0.2606
10 1342 1342/1342 1342 ± 0.00002393 5.985 5.85/6.134 5.963 ± 0.2573
11 1342 1342/1342 1342 ± 0.00002393 6.291 6.086/6.385 6.247 ± 0.2604
12 1342 1342/1342 1342 ± 0.00002393 6.446 6.233/6.583 6.413 ± 0.3018
13 1342 1342/1342 1342 ± 0.00002393 6.72 6.425/7.027 6.728 ± 0.3358
14 1342 1342/1342 1342 ± 0.00004694 6.091 5.767/6.421 6.168 ± 0.551
15 1342 1342/1342 1342 ± 0.00002393 6.592 6.285/6.917 6.598 ± 0.3662
16 1342 1342/1342 1342 ± 0.00006093 4.293 4.048/4.66 4.373 ± 0.4025
17 1342 1342/1342 1342 ± 0.00006103 4.217 4.02/4.508 4.299 ± 0.3664
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-07-23 00:54:18.109
End
2025-07-23 02:00:26.879
Duration
1:06:08.770
Note, WebLog generation is not included in the time.

CASA logs for stage 8