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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.23 5.611/6.702 6.192 ± 0.7012
ea02 1342 1342/1342 1342 ± 0 6.282 5.567/6.452 6.218 ± 0.6336
ea03 1342 1342/1342 1342 ± 0 6.19 5.434/6.792 6.218 ± 0.7669
ea04 1342 1342/1342 1342 ± 0 5.639 5.152/6.135 5.709 ± 0.5983
ea05 1342 1342/1342 1342 ± 0 6.016 5.385/6.732 6.015 ± 0.7145
ea06 1342 1342/1342 1342 ± 0 6.104 5.087/6.296 5.832 ± 0.6888
ea07 1342 1342/1342 1342 ± 0 6.123 5.315/6.566 6.019 ± 0.7483
ea08 1342 1342/1342 1342 ± 0 6.712 5.677/6.88 6.44 ± 0.708
ea09 1342 1342/1342 1342 ± 0 5.721 5.117/6.495 5.821 ± 0.6896
ea10 1342 1342/1342 1342 ± 0 5.862 5.179/6.297 5.801 ± 0.6247
ea11 1342 1342/1342 1342 ± 0 5.661 5.363/6.522 5.853 ± 0.7436
ea12 1342 1342/1342 1342 ± 0 5.792 5.179/6.365 5.802 ± 0.6586
ea13 1342 1342/1342 1342 ± 0 6.062 5.552/6.335 6.046 ± 0.5352
ea14 1342 1342/1342 1342 ± 0 6.237 5.573/6.518 6.131 ± 0.6373
ea15 1342 1342/1342 1342 ± 0 6.209 5.595/6.642 6.187 ± 0.695
ea16 1342 1342/1342 1342 ± 0 6.21 5.767/6.749 6.317 ± 0.6927
ea17 1342 1342/1342 1342 ± 0 6.301 5.789/7.118 6.367 ± 0.7807
ea18 1342 1342/1342 1342 ± 0 6.513 5.88/7.19 6.481 ± 0.7236
ea19 1342 1342/1342 1342 ± 0 6.188 5.448/6.668 6.107 ± 0.6939
ea20 1342 1342/1342 1342 ± 0 5.98 5.695/6.1 5.828 ± 0.4571
ea21 1342 1342/1342 1342 ± 0 5.539 5.068/5.9 5.538 ± 0.5437
ea22 1342 1342/1342 1342 ± 0 6.16 5.48/6.548 6.011 ± 0.6469
ea23 1342 1342/1342 1342 ± 0 6.191 5.455/6.329 6.054 ± 0.6877
ea24 1342 1342/1342 1342 ± 0 6.26 5.326/6.701 6.028 ± 0.7049
ea25 1342 1342/1342 1342 ± 0 6.577 5.75/7.152 6.549 ± 0.8521
ea27 1342 1342/1342 1342 ± 0 5.953 5.253/6.379 5.869 ± 0.6175
ea28 1342 1342/1342 1342 ± 0 6.486 5.772/7.057 6.448 ± 0.6977
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 ± 0.00002307 5.437 5.255/5.6 5.453 ± 0.2648
3 1342 1342/1342 1342 ± 0.00003253 4.663 4.28/4.993 4.765 ± 0.5363
4 1342 1342/1342 1342 ± 0.00002307 5.331 5.153/5.57 5.342 ± 0.298
5 1342 1342/1342 1342 ± 0.00002307 5.388 5.121/5.686 5.445 ± 0.3
6 1342 1342/1342 1342 ± 0.00002307 5.362 5.066/5.601 5.346 ± 0.2742
7 1342 1342/1342 1342 ± 0.00002307 5.485 5.365/5.716 5.515 ± 0.2464
8 1342 1342/1342 1342 ± 0.00002307 5.486 5.207/5.657 5.453 ± 0.2888
9 1342 1342/1342 1342 ± 0.00002307 5.747 5.625/5.957 5.772 ± 0.2921
10 1342 1342/1342 1342 ± 0.00002348 6.211 6.104/6.31 6.202 ± 0.2509
11 1342 1342/1342 1342 ± 0.00002348 6.41 6.232/6.605 6.423 ± 0.2646
12 1342 1342/1342 1342 ± 0.00002348 6.534 6.335/6.737 6.57 ± 0.3146
13 1342 1342/1342 1342 ± 0.00002348 7.039 6.749/7.3 7.044 ± 0.3279
14 1342 1342/1342 1342 ± 0.00002348 7.312 7.038/7.493 7.282 ± 0.3432
15 1342 1342/1342 1342 ± 0.00002348 6.967 6.69/7.247 6.975 ± 0.3455
16 1342 1342/1342 1342 ± 0.00002348 6.317 6.024/6.712 6.356 ± 0.3926
17 1342 1342/1342 1342 ± 0.00002348 6.286 6.08/6.589 6.312 ± 0.3657
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
overwrite_modelcol
False
Start time
2025-07-30 12:45:17.552
End
2025-07-30 14:04:18.497
Duration
1:19:00.944
Note, WebLog generation is not included in the time.

CASA logs for stage 8