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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 5.94 5.479/6.285 5.872 ± 0.6687
ea02 1342 1342/1342 1342 ± 0.000001604 6.37 5.753/6.523 6.32 ± 0.6375
ea03 1342 1342/1342 1342 ± 0 6.071 5.489/6.672 6.143 ± 0.6594
ea04 1342 1342/1342 1342 ± 0.00002388 5.431 5.003/5.847 5.407 ± 0.6318
ea05 1342 1342/1342 1342 ± 0.00002268 5.718 5.342/6.476 5.851 ± 0.7345
ea06 1342 1342/1342 1342 ± 0.00000221 6.03 5.145/6.154 5.712 ± 0.7796
ea07 1342 1342/1342 1342 ± 0.000002706 6.064 5.259/6.254 5.852 ± 0.8027
ea08 1342 1342/1342 1342 ± 0.000001914 6.438 5.705/6.829 6.337 ± 0.7702
ea09 1342 1342/1342 1342 ± 0.000008227 5.858 5.172/6.343 5.839 ± 0.6263
ea10 1342 1342/1342 1342 ± 0.000003125 5.453 5.155/6.078 5.536 ± 0.6842
ea11 1342 1342/1342 1342 ± 0.00003449 5.343 5.149/6.153 5.547 ± 0.7083
ea12 1342 1342/1342 1342 ± 0.00000969 5.519 5.421/6.284 5.725 ± 0.6465
ea13 1342 1342/1342 1342 ± 0.000003208 6.188 5.55/6.3 5.989 ± 0.7304
ea14 1342 1342/1342 1342 ± 0.00001003 5.938 5.642/6.584 6.04 ± 0.7791
ea15 1342 1342/1342 1342 ± 0.00002726 5.287 4.823/5.585 5.294 ± 0.4832
ea16 1342 1342/1342 1342 ± 0 6.25 5.668/6.632 6.273 ± 0.6649
ea17 1342 1342/1342 1342 ± 0.000001944 6.221 5.816/7.027 6.277 ± 0.7592
ea18 1342 1342/1342 1342 ± 0.000001563 6.586 5.999/7.281 6.527 ± 0.7886
ea19 1342 1342/1342 1342 ± 0.00000221 5.844 5.482/6.604 5.953 ± 0.6962
ea20 1342 1342/1342 1342 ± 0 6.264 5.64/6.67 6.229 ± 0.5621
ea21 1342 1342/1342 1342 ± 0.000001944 5.512 5.138/5.919 5.575 ± 0.5319
ea22 1342 1342/1342 1342 ± 0.000001587 6.437 5.962/6.921 6.356 ± 0.7166
ea23 1342 1342/1342 1342 ± 0 5.921 5.543/6.39 6.085 ± 0.614
ea24 1342 1342/1342 1342 ± 0 6.119 5.318/6.41 5.923 ± 0.6339
ea25 1342 1342/1342 1342 ± 0 6.569 5.754/6.91 6.526 ± 0.7706
ea27 1342 1342/1342 1342 ± 0 5.856 5.368/6.424 5.903 ± 0.5746
ea28 1342 1342/1342 1342 ± 0.000002274 6.401 5.822/6.929 6.436 ± 0.649
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 ± 0.00002308 5.483 5.276/5.704 5.491 ± 0.3027
3 1342 1342/1342 1342 ± 0.000037 4.162 3.873/4.444 4.181 ± 0.4211
5 1342 1342/1342 1342 ± 0.00002308 5.474 5.218/5.676 5.448 ± 0.372
6 1342 1342/1342 1342 ± 0.00002308 5.33 5.149/5.616 5.356 ± 0.3295
7 1342 1342/1342 1342 ± 0.00002308 5.518 5.217/5.659 5.462 ± 0.2832
8 1342 1342/1342 1342 ± 0.00002308 5.419 5.129/5.654 5.379 ± 0.3106
9 1342 1342/1342 1342 ± 0.00002308 5.658 5.518/5.961 5.685 ± 0.3327
10 1342 1342/1342 1342 ± 0.00002308 6.12 5.975/6.337 6.111 ± 0.3165
11 1342 1342/1342 1342 ± 0.00002308 6.34 6.073/6.521 6.307 ± 0.3211
12 1342 1342/1342 1342 ± 0.00002308 6.425 6.261/6.673 6.46 ± 0.3801
13 1342 1342/1342 1342 ± 0.00002308 7.037 6.579/7.211 6.924 ± 0.3884
14 1342 1342/1342 1342 ± 0.00002308 7.183 6.828/7.512 7.1 ± 0.4216
15 1342 1342/1342 1342 ± 0.00002308 6.849 6.507/7.175 6.774 ± 0.4364
16 1342 1342/1342 1342 ± 0.00003903 6.133 5.744/6.42 6.078 ± 0.4526
17 1342 1342/1342 1342 ± 0.00003158 6.136 5.744/6.426 6.074 ± 0.4442
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2025-07-18 10:52:03.225
End
2025-07-18 12:07:24.528
Duration
1:15:21.303
Note, WebLog generation is not included in the time.

CASA logs for stage 8