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 5.419 5.19/6.539 5.675 ± 0.8957
ea02 1342 1342/1342 1342 ± 0.00001968 5.508 5.075/6.254 5.585 ± 0.941
ea03 1342 1342/1342 1342 ± 0.000001155 5.259 5.038/6.493 5.606 ± 0.8862
ea04 1342 1342/1342 1342 ± 0.00004258 5.045 4.832/6.015 5.281 ± 0.7293
ea05 1342 1342/1342 1342 ± 0.00004395 5.226 4.96/6.364 5.458 ± 0.9091
ea06 1342 1342/1342 1342 ± 0.000003056 4.887 4.719/5.794 5.231 ± 0.7578
ea07 1342 1342/1342 1342 ± 0.00002873 4.883 4.749/6.083 5.343 ± 0.9185
ea08 1342 1342/1342 1342 ± 0.000001634 5.427 4.999/6.58 5.721 ± 0.9443
ea09 1342 1342/1342 1342 ± 0.00004251 4.956 4.692/6.093 5.191 ± 0.7757
ea10 1342 1342/1342 1342 ± 0.00004424 4.783 4.407/5.892 5.045 ± 0.7889
ea11 1342 1342/1342 1342 ± 0.0000455 5.092 4.543/6.207 5.276 ± 0.9189
ea12 1342 1342/1342 1342 ± 0.00004128 5.015 4.798/6.012 5.294 ± 0.6769
ea14 1342 1342/1342 1342 ± 0.00004309 5.425 5.024/6.368 5.632 ± 0.7444
ea15 1342 1342/1342 1342 ± 0.00004365 5.272 4.981/6.383 5.592 ± 0.9176
ea16 1342 1342/1342 1342 ± 0.00000283 5.53 5.052/6.46 5.652 ± 0.9269
ea17 1342 1342/1342 1342 ± 0.00003978 5.347 4.98/6.639 5.649 ± 0.8672
ea18 1342 1342/1342 1342 ± 0 5.437 5.18/6.794 5.824 ± 0.8599
ea19 1342 1342/1342 1342 ± 0.00003242 5.226 5.034/6.376 5.529 ± 0.796
ea21 1342 1342/1342 1342 ± 0.000001155 4.859 4.679/5.671 5.082 ± 0.6927
ea22 1342 1342/1342 1342 ± 0.000002311 5.398 4.864/6.448 5.557 ± 0.8396
ea23 1342 1342/1342 1342 ± 0.00004298 5.364 4.944/6.284 5.61 ± 0.8233
ea24 1342 1342/1342 1342 ± 0.00001965 5.127 4.986/6.446 5.546 ± 0.8202
ea25 1342 1342/1342 1342 ± 0.000002001 5.606 5.229/6.652 5.861 ± 0.9596
ea27 1342 1342/1342 1342 ± 0.000006628 5.07 4.879/6.343 5.468 ± 0.8146
ea28 1342 1342/1342 1342 ± 0.00002912 5.553 5.399/6.876 5.872 ± 0.919
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 5.025 4.843/5.18 4.98 ± 0.3122
4 1342 1342/1342 1342 ± 0.00004104 3.815 3.644/4.069 3.879 ± 0.3016
5 1342 1342/1342 1342 ± 0.00002393 5.04 4.798/5.334 5.056 ± 0.2868
6 1342 1342/1342 1342 ± 0.00002393 5.026 4.83/5.264 5.031 ± 0.26
7 1342 1342/1342 1342 ± 0.00002393 5.104 4.956/5.236 5.087 ± 0.2234
8 1342 1342/1342 1342 ± 0.00002393 5.037 4.88/5.214 5.039 ± 0.2481
9 1342 1342/1342 1342 ± 0.00002393 5.399 5.202/5.613 5.367 ± 0.2594
10 1342 1342/1342 1342 ± 0.00002393 5.936 5.814/6.073 5.914 ± 0.2516
11 1342 1342/1342 1342 ± 0.00002393 6.209 6.017/6.314 6.17 ± 0.2597
12 1342 1342/1342 1342 ± 0.00002393 6.372 6.099/6.512 6.335 ± 0.3014
13 1342 1342/1342 1342 ± 0.00002393 6.762 6.593/6.987 6.75 ± 0.3082
14 1342 1342/1342 1342 ± 0.00002463 6.73 6.377/6.912 6.706 ± 0.3815
15 1342 1342/1342 1342 ± 0.00002393 6.712 6.308/6.937 6.636 ± 0.3629
16 1342 1342/1342 1342 ± 0.00006089 4.776 4.637/4.937 4.81 ± 0.2526
17 1342 1342/1342 1342 ± 0.00006097 4.757 4.589/4.939 4.789 ± 0.2778
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-23 00:12:16.248
End
2025-07-23 01:10:56.623
Duration
0:58:40.375
Note, WebLog generation is not included in the time.

CASA logs for stage 8