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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.61 5.364/6.176 5.745 ± 0.6884
ea02 1342 1342/1342 1342 ± 0.00002525 5.565 5.265/6.313 5.697 ± 0.6322
ea03 1342 1342/1342 1342 ± 0.00002439 5.435 5.238/6.33 5.743 ± 0.6204
ea04 1342 1342/1342 1342 ± 0.00003057 5.218 4.863/6.007 5.343 ± 0.5964
ea05 1342 1342/1342 1342 ± 0.00003991 5.428 5.03/6.203 5.531 ± 0.7002
ea06 1342 1342/1342 1342 ± 0 5.386 4.875/5.954 5.408 ± 0.5593
ea07 1342 1342/1342 1342 ± 0.00002332 5.293 4.91/6.131 5.482 ± 0.6473
ea08 1342 1342/1342 1342 ± 0.00002459 5.66 5.42/6.659 5.863 ± 0.7745
ea09 1342 1342/1342 1342 ± 0.00002409 5.148 4.84/5.87 5.325 ± 0.5665
ea10 1342 1342/1342 1342 ± 0.00003382 4.689 4.507/4.932 4.65 ± 0.3812
ea11 1342 1342/1342 1342 ± 0.0000443 5.553 4.855/6.311 5.615 ± 0.803
ea12 1342 1342/1342 1342 ± 0.00002276 5.219 4.817/5.821 5.295 ± 0.5957
ea14 1342 1342/1342 1342 ± 0.00003416 5.367 5.188/6.196 5.608 ± 0.6488
ea15 1342 1342/1342 1342 ± 0.00004283 5.482 5.153/6.288 5.656 ± 0.7501
ea16 1342 1342/1342 1342 ± 0 5.731 5.282/6.355 5.869 ± 0.6621
ea17 1342 1342/1342 1342 ± 0.00002685 5.726 5.306/6.507 5.888 ± 0.7167
ea18 1342 1342/1342 1342 ± 0.00003688 5.706 5.493/6.623 5.869 ± 0.798
ea19 1342 1342/1342 1342 ± 0.000009465 5.448 5.126/6.233 5.551 ± 0.6853
ea20 1342 1342/1342 1342 ± 0.00000431 5.869 5.615/6.757 6.132 ± 0.6752
ea21 1342 1342/1342 1342 ± 0 5.105 4.934/5.773 5.307 ± 0.5252
ea22 1342 1342/1342 1342 ± 0.00002035 5.507 5.067/6.302 5.596 ± 0.66
ea23 1342 1342/1342 1342 ± 0.00003122 5.571 5.071/6.301 5.671 ± 0.6966
ea24 1342 1342/1342 1342 ± 0 5.433 5.124/6.277 5.671 ± 0.6
ea25 1342 1342/1342 1342 ± 0 5.929 5.475/6.654 6.15 ± 0.7542
ea27 1342 1342/1342 1342 ± 0 5.278 4.963/5.983 5.368 ± 0.6986
ea28 1342 1342/1342 1342 ± 0 5.79 5.649/6.679 6.079 ± 0.65
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 ± 0.00002348 5.238 4.985/5.325 5.185 ± 0.2595
5 1342 1342/1342 1342 ± 0.00002704 5.135 4.953/5.411 5.16 ± 0.3045
6 1342 1342/1342 1342 ± 0.00002348 5.131 4.907/5.374 5.144 ± 0.2721
7 1342 1342/1342 1342 ± 0.00002348 5.305 5.115/5.448 5.268 ± 0.2664
8 1342 1342/1342 1342 ± 0.00002348 5.269 5.022/5.498 5.241 ± 0.3226
9 1342 1342/1342 1342 ± 0.00002348 5.599 5.388/5.815 5.54 ± 0.3265
10 1342 1342/1342 1342 ± 0.00002348 6.008 5.85/6.162 5.975 ± 0.3275
11 1342 1342/1342 1342 ± 0.00002348 6.301 6.13/6.5 6.256 ± 0.3447
12 1342 1342/1342 1342 ± 0.00002348 6.441 6.166/6.591 6.396 ± 0.4203
13 1342 1342/1342 1342 ± 0.00002348 6.714 6.493/7.018 6.71 ± 0.5357
14 1342 1342/1342 1342 ± 0.00002539 5.899 5.627/6.451 6.067 ± 0.5782
15 1342 1342/1342 1342 ± 0.00002352 6.199 5.979/6.534 6.188 ± 0.4488
16 1342 1342/1342 1342 ± 0.00005842 4.677 4.454/5.079 4.796 ± 0.5093
17 1342 1342/1342 1342 ± 0.00005593 4.644 4.427/4.961 4.709 ± 0.4041
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-27 16:41:13.910
End
2025-07-27 17:43:56.185
Duration
1:02:42.275
Note, WebLog generation is not included in the time.

CASA logs for stage 8