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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.278 5.7/6.695 6.238 ± 0.6258
ea02 1342 1342/1342 1342 ± 0 6.356 5.749/6.533 6.282 ± 0.6053
ea03 1342 1342/1342 1342 ± 0 6.16 5.488/6.807 6.21 ± 0.7339
ea04 1342 1342/1342 1342 ± 0 5.549 4.982/5.95 5.559 ± 0.5414
ea05 1342 1342/1342 1342 ± 0.00002122 5.936 5.45/6.715 6.04 ± 0.6543
ea06 1342 1342/1342 1342 ± 0 6.032 5.102/6.12 5.776 ± 0.6338
ea07 1342 1342/1342 1342 ± 0 6.095 5.294/6.287 5.95 ± 0.6626
ea08 1342 1342/1342 1342 ± 0 6.459 5.714/6.886 6.43 ± 0.6528
ea09 1342 1342/1342 1342 ± 0 5.79 5.276/6.582 5.925 ± 0.6537
ea10 1342 1342/1342 1342 ± 0 5.503 5.116/6.044 5.577 ± 0.5391
ea11 1342 1342/1342 1342 ± 0.00002508 5.469 5.228/6.348 5.737 ± 0.6728
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.816 5.566/6.312 5.957 ± 0.4976
ea14 1342 1342/1342 1342 ± 0 5.961 5.594/6.565 6.141 ± 0.5815
ea15 1342 1342/1342 1342 ± 0.00002338 6.217 5.701/6.71 6.279 ± 0.6843
ea16 1342 1342/1342 1342 ± 0 6.308 5.784/6.848 6.394 ± 0.711
ea17 1342 1342/1342 1342 ± 0 6.207 5.767/7.001 6.348 ± 0.6469
ea18 1342 1342/1342 1342 ± 0 6.349 5.82/6.898 6.318 ± 0.6084
ea19 1342 1342/1342 1342 ± 0 6.152 5.47/6.644 6.077 ± 0.6143
ea20 1342 1342/1342 1342 ± 0 5.945 5.692/6.815 6.199 ± 0.6128
ea21 1342 1342/1342 1342 ± 0 5.547 5.161/6.014 5.628 ± 0.5151
ea22 1342 1342/1342 1342 ± 0 6.24 5.658/6.751 6.219 ± 0.6268
ea23 1342 1342/1342 1342 ± 0 6.295 5.557/6.464 6.18 ± 0.6605
ea24 1342 1342/1342 1342 ± 0 6.179 5.285/6.674 5.99 ± 0.6408
ea25 1342 1342/1342 1342 ± 0 6.477 5.71/6.942 6.477 ± 0.77
ea27 1342 1342/1342 1342 ± 0 6.112 5.406/6.607 6.018 ± 0.6569
ea28 1342 1342/1342 1342 ± 0 6.326 5.818/6.979 6.404 ± 0.6297
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 ± 0.00002361 5.547 5.341/5.713 5.527 ± 0.2537
4 1342 1342/1342 1342 ± 0.00002507 5.352 5.188/5.706 5.432 ± 0.3396
5 1342 1342/1342 1342 ± 0.0000235 5.505 5.219/5.704 5.485 ± 0.2998
6 1342 1342/1342 1342 ± 0.0000235 5.476 5.186/5.631 5.434 ± 0.2917
7 1342 1342/1342 1342 ± 0.0000235 5.533 5.374/5.705 5.5 ± 0.2538
8 1342 1342/1342 1342 ± 0.0000235 5.472 5.243/5.652 5.43 ± 0.2749
9 1342 1342/1342 1342 ± 0.0000235 5.752 5.64/5.954 5.757 ± 0.2756
10 1342 1342/1342 1342 ± 0.0000235 6.266 6.112/6.352 6.208 ± 0.2492
11 1342 1342/1342 1342 ± 0.0000235 6.492 6.31/6.575 6.435 ± 0.2596
12 1342 1342/1342 1342 ± 0.0000235 6.659 6.314/6.812 6.581 ± 0.307
13 1342 1342/1342 1342 ± 0.0000235 7.043 6.865/7.278 7.019 ± 0.3363
14 1342 1342/1342 1342 ± 0.0000235 7.315 7.003/7.471 7.24 ± 0.3507
15 1342 1342/1342 1342 ± 0.0000235 6.873 6.698/7.191 6.889 ± 0.3645
16 1342 1342/1342 1342 ± 0.00003114 6.232 5.934/6.516 6.207 ± 0.376
17 1342 1342/1342 1342 ± 0.00003054 6.241 5.974/6.389 6.18 ± 0.3392
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
overwrite_modelcol
False
Start time
2025-07-25 12:41:26.192
End
2025-07-25 13:55:51.402
Duration
1:14:25.210
Note, WebLog generation is not included in the time.

CASA logs for stage 8