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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.16 5.869/6.789 6.276 ± 0.7564
ea02 1342 1342/1342 1342 ± 0 6.284 5.667/6.712 6.267 ± 0.7493
ea03 1342 1342/1342 1342 ± 0 6.026 5.505/6.72 6.146 ± 0.8243
ea04 1342 1342/1342 1342 ± 0 5.672 5.175/6.124 5.675 ± 0.6961
ea05 1342 1342/1342 1342 ± 0 6.151 5.628/6.758 6.105 ± 0.7524
ea06 1342 1342/1342 1342 ± 0 5.924 5.259/6.297 5.817 ± 0.7986
ea07 1342 1342/1342 1342 ± 0 6.103 5.502/6.747 6.138 ± 0.8221
ea08 1342 1342/1342 1342 ± 0 6.646 5.904/7.059 6.572 ± 0.7387
ea09 1342 1342/1342 1342 ± 0 5.793 5.316/6.378 5.797 ± 0.9292
ea10 1342 1342/1342 1342 ± 0 5.893 5.359/6.33 5.823 ± 0.772
ea11 1342 1342/1342 1342 ± 0.000001068 5.801 5.444/6.628 5.94 ± 0.7972
ea12 1342 1342/1342 1342 ± 0 5.663 5.361/6.328 5.839 ± 0.7245
ea13 1342 1342/1342 1342 ± 0 5.992 5.657/6.456 5.97 ± 0.9333
ea14 1342 1342/1342 1342 ± 0 6.103 5.774/6.716 6.19 ± 0.7904
ea15 1342 1342/1342 1342 ± 0 6.836 6.603/7.456 7.012 ± 0.4847
ea17 1342 1342/1342 1342 ± 0 6.374 5.955/7.132 6.469 ± 0.8442
ea18 1342 1342/1342 1342 ± 0 6.42 5.912/7.094 6.516 ± 0.7268
ea19 1342 1342/1342 1342 ± 0 6.037 5.653/6.709 6.128 ± 0.8013
ea20 1342 1342/1342 1342 ± 0 6.435 6.033/7.168 6.577 ± 0.754
ea21 1342 1342/1342 1342 ± 0 5.484 5.209/6.039 5.605 ± 0.598
ea22 1342 1342/1342 1342 ± 0 6.19 5.7/6.725 6.224 ± 0.6879
ea23 1342 1342/1342 1342 ± 0 6.234 5.686/6.548 6.175 ± 0.82
ea24 1342 1342/1342 1342 ± 0 6.323 5.442/6.73 6.093 ± 0.639
ea25 1342 1342/1342 1342 ± 0 6.716 5.848/7.168 6.614 ± 0.898
ea27 1342 1342/1342 1342 ± 0 5.762 5.332/6.509 5.822 ± 0.7902
ea28 1342 1342/1342 1342 ± 0 6.37 5.91/7.106 6.526 ± 0.7491
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 ± 0.00002392 5.605 5.407/5.802 5.615 ± 0.2447
3 1342 1342/1342 1342 ± 0.0000247 4.327 4.043/4.594 4.348 ± 0.6171
4 1342 1342/1342 1342 ± 0.00002411 5.502 5.201/5.755 5.534 ± 0.3311
5 1342 1342/1342 1342 ± 0.00002392 5.651 5.334/5.843 5.631 ± 0.2885
6 1342 1342/1342 1342 ± 0.00002392 5.6 5.369/5.822 5.581 ± 0.2802
7 1342 1342/1342 1342 ± 0.00002392 5.685 5.511/5.848 5.655 ± 0.25
8 1342 1342/1342 1342 ± 0.00002392 5.592 5.341/5.823 5.577 ± 0.2999
9 1342 1342/1342 1342 ± 0.00002392 5.857 5.692/6.093 5.88 ± 0.2942
10 1342 1342/1342 1342 ± 0.00002349 6.412 6.258/6.489 6.374 ± 0.2777
11 1342 1342/1342 1342 ± 0.00002349 6.571 6.377/6.757 6.586 ± 0.2806
12 1342 1342/1342 1342 ± 0.00002349 6.744 6.497/6.877 6.724 ± 0.3274
13 1342 1342/1342 1342 ± 0.00002349 7.216 6.906/7.519 7.222 ± 0.3549
14 1342 1342/1342 1342 ± 0.00002349 7.384 7.077/7.73 7.395 ± 0.3678
15 1342 1342/1342 1342 ± 0.00002349 7.148 6.751/7.351 7.079 ± 0.3699
16 1342 1342/1342 1342 ± 0.00002349 6.396 6.151/6.801 6.454 ± 0.4129
17 1342 1342/1342 1342 ± 0.00002349 6.405 6.118/6.679 6.397 ± 0.4048
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
Start time
2025-07-30 11:44:05.059
End
2025-07-30 12:56:50.806
Duration
1:12:45.746
Note, WebLog generation is not included in the time.

CASA logs for stage 8