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 5.937 5.473/6.272 5.859 ± 0.6667
ea02 1342 1342/1342 1342 ± 0 6.38 5.727/6.508 6.318 ± 0.6325
ea03 1342 1342/1342 1342 ± 0 6.078 5.453/6.672 6.117 ± 0.6468
ea04 1342 1342/1342 1342 ± 0.00001972 5.422 4.993/5.847 5.385 ± 0.6457
ea05 1342 1342/1342 1342 ± 0.00002003 5.676 5.325/6.423 5.821 ± 0.7368
ea06 1342 1342/1342 1342 ± 0 6.023 5.133/6.121 5.689 ± 0.7669
ea07 1342 1342/1342 1342 ± 0.000001913 6.053 5.269/6.231 5.846 ± 0.7913
ea08 1342 1342/1342 1342 ± 0 6.476 5.694/6.808 6.329 ± 0.7577
ea09 1342 1342/1342 1342 ± 0.000009134 6.051 5.155/6.369 5.854 ± 0.6314
ea10 1342 1342/1342 1342 ± 0.000003493 5.427 5.067/6.059 5.516 ± 0.6804
ea11 1342 1342/1342 1342 ± 0.00003159 5.339 5.141/6.13 5.531 ± 0.7092
ea12 1342 1342/1342 1342 ± 0.000001587 5.496 5.398/6.272 5.723 ± 0.592
ea13 1342 1342/1342 1342 ± 0.000002284 6.199 5.555/6.307 6.012 ± 0.7063
ea14 1342 1342/1342 1342 ± 0.000008885 5.921 5.638/6.571 6.012 ± 0.7689
ea15 1342 1342/1342 1342 ± 0.00002384 5.273 4.805/5.581 5.285 ± 0.483
ea16 1342 1342/1342 1342 ± 0 6.22 5.665/6.643 6.251 ± 0.6477
ea17 1342 1342/1342 1342 ± 0.000001122 6.209 5.803/6.997 6.284 ± 0.7158
ea18 1342 1342/1342 1342 ± 0.000001913 6.586 5.988/7.257 6.524 ± 0.7989
ea19 1342 1342/1342 1342 ± 0.000001105 5.8 5.472/6.607 5.919 ± 0.7021
ea20 1342 1342/1342 1342 ± 0 6.217 5.577/6.6 6.166 ± 0.5557
ea21 1342 1342/1342 1342 ± 0 5.469 5.124/5.91 5.562 ± 0.5166
ea22 1342 1342/1342 1342 ± 0 6.453 5.935/6.902 6.365 ± 0.6573
ea23 1342 1342/1342 1342 ± 0 5.851 5.523/6.369 6.046 ± 0.6141
ea24 1342 1342/1342 1342 ± 0 6.097 5.283/6.412 5.893 ± 0.6805
ea25 1342 1342/1342 1342 ± 0 6.565 5.735/6.857 6.498 ± 0.7464
ea27 1342 1342/1342 1342 ± 0 5.821 5.352/6.419 5.865 ± 0.5665
ea28 1342 1342/1342 1342 ± 0 6.388 5.824/6.929 6.435 ± 0.6421
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 ± 0.00002311 5.483 5.27/5.715 5.489 ± 0.3156
3 1342 1342/1342 1342 ± 0.00003648 4.203 3.868/4.522 4.236 ± 0.4665
5 1342 1342/1342 1342 ± 0.00002308 5.474 5.171/5.7 5.451 ± 0.3754
6 1342 1342/1342 1342 ± 0.00002308 5.29 5.055/5.615 5.31 ± 0.3348
7 1342 1342/1342 1342 ± 0.00002308 5.501 5.196/5.662 5.45 ± 0.2827
8 1342 1342/1342 1342 ± 0.00002308 5.396 5.12/5.653 5.366 ± 0.3122
9 1342 1342/1342 1342 ± 0.00002308 5.649 5.496/5.938 5.675 ± 0.3282
10 1342 1342/1342 1342 ± 0.00002308 6.106 5.968/6.323 6.102 ± 0.3113
11 1342 1342/1342 1342 ± 0.00002308 6.298 6.088/6.501 6.293 ± 0.3168
12 1342 1342/1342 1342 ± 0.00002308 6.421 6.238/6.669 6.449 ± 0.3756
13 1342 1342/1342 1342 ± 0.00002308 7.008 6.57/7.192 6.909 ± 0.3831
14 1342 1342/1342 1342 ± 0.00002308 7.065 6.761/7.487 7.052 ± 0.4281
15 1342 1342/1342 1342 ± 0.00002308 6.791 6.461/7.144 6.751 ± 0.4335
16 1342 1342/1342 1342 ± 0.00003566 6.095 5.682/6.412 6.053 ± 0.4585
17 1342 1342/1342 1342 ± 0.00002972 6.132 5.692/6.376 6.049 ± 0.4531
output_dir
 
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-18 09:00:35.494
End
2025-07-18 10:14:25.921
Duration
1:13:50.427
Note, WebLog generation is not included in the time.

CASA logs for stage 8