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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.633 5.473/6.264 5.707 ± 0.787
ea02 1342 1342/1342 1342 ± 0.00004149 5.589 5.374/6.504 5.714 ± 0.7727
ea03 1342 1342/1342 1342 ± 0.000002298 5.522 5.289/6.262 5.796 ± 0.6987
ea04 1342 1342/1342 1342 ± 0.0000432 5.269 4.987/6.015 5.333 ± 0.6821
ea05 1342 1342/1342 1342 ± 0.00004369 5.459 5.174/6.449 5.588 ± 0.8113
ea06 1342 1342/1342 1342 ± 0.00001134 5.481 4.971/6.106 5.416 ± 0.6361
ea07 1342 1342/1342 1342 ± 0.00004144 5.25 5.067/6.341 5.528 ± 0.806
ea08 1342 1342/1342 1342 ± 0.00003511 5.682 5.369/6.769 5.859 ± 0.8523
ea09 1342 1342/1342 1342 ± 0.0000408 5.237 5.06/5.776 5.34 ± 0.7546
ea10 1342 1342/1342 1342 ± 0.00004273 5.121 4.726/6.002 5.199 ± 0.7155
ea11 1342 1342/1342 1342 ± 0.0000489 5.35 4.767/6.143 5.338 ± 0.8362
ea13 1342 1342/1342 1342 ± 0.000006592 5.381 5.109/6.09 5.507 ± 0.5712
ea14 1342 1342/1342 1342 ± 0.00004295 5.553 5.254/6.56 5.711 ± 0.8046
ea15 1342 1342/1342 1342 ± 0.0000464 5.672 5.549/6.634 5.772 ± 0.9003
ea16 1342 1342/1342 1342 ± 0.000009853 5.907 5.444/6.594 5.915 ± 0.8173
ea17 1342 1342/1342 1342 ± 0.00004217 5.826 5.324/6.663 5.872 ± 0.8951
ea18 1342 1342/1342 1342 ± 0.00003142 5.807 5.485/6.815 5.908 ± 0.8509
ea19 1342 1342/1342 1342 ± 0.00002285 5.421 5.341/6.425 5.613 ± 0.7902
ea20 1342 1342/1342 1342 ± 0.00001291 5.529 5.235/6.105 5.608 ± 0.6686
ea21 1342 1342/1342 1342 ± 0.000002569 5.139 4.975/5.84 5.286 ± 0.5743
ea22 1342 1342/1342 1342 ± 0.00003787 5.723 5.2/6.524 5.696 ± 0.794
ea23 1342 1342/1342 1342 ± 0.00004357 5.739 5.254/6.501 5.778 ± 0.8318
ea24 1342 1342/1342 1342 ± 0 5.112 4.906/6.24 5.486 ± 0.7065
ea25 1342 1342/1342 1342 ± 0.000006031 6.083 5.498/6.84 6.204 ± 0.8478
ea27 1342 1342/1342 1342 ± 0.000005739 5.332 5.02/6.479 5.486 ± 0.8374
ea28 1342 1342/1342 1342 ± 0.000004297 5.618 5.479/6.595 5.872 ± 0.7439
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 5.343 5.066/5.441 5.273 ± 0.2457
5 1342 1342/1342 1342 ± 0.00002696 5.13 4.897/5.334 5.122 ± 0.3159
6 1342 1342/1342 1342 ± 0.00002348 5.296 5.108/5.544 5.295 ± 0.2679
7 1342 1342/1342 1342 ± 0.00002348 5.37 5.206/5.571 5.358 ± 0.2439
8 1342 1342/1342 1342 ± 0.00002348 5.361 5.114/5.562 5.338 ± 0.2829
9 1342 1342/1342 1342 ± 0.00002348 5.625 5.49/5.914 5.652 ± 0.3065
10 1342 1342/1342 1342 ± 0.00002393 6.138 5.992/6.306 6.13 ± 0.283
11 1342 1342/1342 1342 ± 0.00002348 6.459 6.135/6.593 6.398 ± 0.2661
12 1342 1342/1342 1342 ± 0.00002348 6.59 6.365/6.773 6.554 ± 0.3187
13 1342 1342/1342 1342 ± 0.00002348 6.705 6.437/6.95 6.742 ± 0.3685
14 1342 1342/1342 1342 ± 0.00003469 5.58 5.289/6.17 5.739 ± 0.621
15 1342 1342/1342 1342 ± 0.00002348 6.529 6.077/6.879 6.426 ± 0.5183
16 1342 1342/1342 1342 ± 0.00006081 4.416 4.21/4.634 4.452 ± 0.3715
17 1342 1342/1342 1342 ± 0.00006093 4.299 4.122/4.483 4.324 ± 0.3041
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-19 14:52:33.817
End
2025-07-19 16:04:28.136
Duration
1:11:54.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8