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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.002 5.619/6.804 6.077 ± 0.8626
ea02 1342 1342/1342 1342 ± 0 6.231 5.606/6.574 6.116 ± 0.7702
ea03 1342 1342/1342 1342 ± 0 6.11 5.483/6.718 6.147 ± 0.6937
ea04 1342 1342/1342 1342 ± 0 5.625 5.16/6.074 5.612 ± 0.731
ea05 1342 1342/1342 1342 ± 0 5.92 5.315/6.456 5.87 ± 0.8494
ea06 1342 1342/1342 1342 ± 0 6.02 5.194/6.161 5.808 ± 0.632
ea07 1342 1342/1342 1342 ± 0 5.933 5.309/6.498 5.911 ± 0.7941
ea08 1342 1342/1342 1342 ± 0 6.65 5.68/6.843 6.38 ± 0.7178
ea09 1342 1342/1342 1342 ± 0 5.67 5.136/6.385 5.698 ± 0.872
ea10 1342 1342/1342 1342 ± 0 5.639 5.135/6.115 5.581 ± 0.8178
ea11 1342 1342/1342 1342 ± 0 5.636 5.287/6.377 5.696 ± 0.793
ea12 1342 1342/1342 1342 ± 0 5.53 5.27/6.135 5.649 ± 0.7515
ea13 1342 1342/1342 1342 ± 0 6.195 5.457/6.352 6.01 ± 0.5626
ea14 1342 1342/1342 1342 ± 0 6.178 5.613/6.534 6.027 ± 0.8258
ea15 1342 1342/1342 1342 ± 0 6.777 6.714/7.338 6.944 ± 0.4094
ea17 1342 1342/1342 1342 ± 0 6.214 5.774/6.848 6.199 ± 0.9146
ea18 1342 1342/1342 1342 ± 0 6.473 5.854/7.074 6.398 ± 0.7092
ea19 1342 1342/1342 1342 ± 0 5.955 5.513/6.502 5.943 ± 0.7949
ea20 1342 1342/1342 1342 ± 0 6.419 5.894/6.979 6.413 ± 0.7951
ea21 1342 1342/1342 1342 ± 0 5.398 5.126/5.915 5.466 ± 0.6649
ea22 1342 1342/1342 1342 ± 0 6.505 5.563/6.879 6.302 ± 0.7737
ea23 1342 1342/1342 1342 ± 0 6.037 5.484/6.307 5.925 ± 0.8419
ea24 1342 1342/1342 1342 ± 0 6.078 5.175/6.419 5.851 ± 0.6258
ea25 1342 1342/1342 1342 ± 0 6.319 5.703/6.949 6.369 ± 0.8325
ea27 1342 1342/1342 1342 ± 0 5.673 5.276/6.336 5.671 ± 0.7945
ea28 1342 1342/1342 1342 ± 0 6.471 5.789/7.053 6.399 ± 0.753
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 ± 0.00002392 5.484 5.398/5.665 5.522 ± 0.2431
3 1342 1342/1342 1342 ± 0.00002638 3.846 3.667/4.619 4.11 ± 0.6178
4 1342 1342/1342 1342 ± 0.00002489 5.271 5.126/5.679 5.373 ± 0.3284
5 1342 1342/1342 1342 ± 0.00002439 5.245 5.042/5.444 5.252 ± 0.2834
6 1342 1342/1342 1342 ± 0.00002392 5.363 5.127/5.589 5.376 ± 0.3055
7 1342 1342/1342 1342 ± 0.00002392 5.508 5.358/5.728 5.526 ± 0.2418
8 1342 1342/1342 1342 ± 0.00002392 5.481 5.197/5.652 5.451 ± 0.2819
9 1342 1342/1342 1342 ± 0.00002392 5.718 5.512/5.937 5.739 ± 0.2786
10 1342 1342/1342 1342 ± 0.00002348 6.238 6.083/6.324 6.214 ± 0.2624
11 1342 1342/1342 1342 ± 0.00002348 6.41 6.194/6.634 6.416 ± 0.2721
12 1342 1342/1342 1342 ± 0.00002348 6.502 6.305/6.725 6.548 ± 0.3178
13 1342 1342/1342 1342 ± 0.00002348 7.045 6.702/7.248 7.003 ± 0.3353
14 1342 1342/1342 1342 ± 0.00002348 7.251 6.923/7.523 7.2 ± 0.3364
15 1342 1342/1342 1342 ± 0.00002348 6.87 6.574/7.269 6.882 ± 0.3797
16 1342 1342/1342 1342 ± 0.00002348 6.362 6.103/6.776 6.388 ± 0.4046
17 1342 1342/1342 1342 ± 0.00002348 6.331 6.02/6.702 6.321 ± 0.4035
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-08-13 23:47:24.137
End
2025-08-14 00:12:20.213
Duration
0:24:56.077
Note, WebLog generation is not included in the time.

CASA logs for stage 8