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

Statwt Summary Plot

VLASS3.2.sb45663667.eb45887130.60436.11477922453_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 5.955 5.545/6.433 6.056 ± 0.6532
ea02 1342 1342/1342 1342 ± 0 6.1 5.554/6.451 6.102 ± 0.689
ea03 1342 1342/1342 1342 ± 0 6.022 5.335/6.643 6.002 ± 0.7361
ea04 1342 1342/1342 1342 ± 0.000001393 5.352 4.906/5.774 5.386 ± 0.5962
ea05 1342 1342/1342 1342 ± 0 5.852 5.32/6.497 5.906 ± 0.7351
ea06 1342 1342/1342 1342 ± 0 5.923 4.988/5.964 5.637 ± 0.6016
ea07 1342 1342/1342 1342 ± 0 5.833 5.153/6.28 5.846 ± 0.7217
ea08 1342 1342/1342 1342 ± 0 6.388 5.637/6.774 6.343 ± 0.6825
ea09 1342 1342/1342 1342 ± 0 5.779 5.178/6.531 5.847 ± 0.7002
ea10 1342 1342/1342 1342 ± 0.000001394 5.461 4.949/5.97 5.453 ± 0.627
ea11 1342 1342/1342 1342 ± 0.000001393 5.445 5.052/6.287 5.583 ± 0.7292
ea12 1342 1342/1342 1342 ± 0 5.538 5.147/6.11 5.676 ± 0.6551
ea13 1342 1342/1342 1342 ± 0.000003684 5.758 5.446/6.215 5.79 ± 0.6353
ea14 1342 1342/1342 1342 ± 0.000001394 6.065 5.5/6.494 6.018 ± 0.7227
ea15 1342 1342/1342 1342 ± 0.000002483 6.222 5.574/6.624 6.143 ± 0.7157
ea16 1342 1342/1342 1342 ± 0 6.062 5.648/6.686 6.193 ± 0.723
ea17 1342 1342/1342 1342 ± 0 6.065 5.682/6.764 6.225 ± 0.748
ea18 1342 1342/1342 1342 ± 0 6.304 5.799/6.909 6.378 ± 0.7155
ea19 1342 1342/1342 1342 ± 0 5.777 5.291/6.38 5.854 ± 0.6904
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.301 4.996/5.777 5.417 ± 0.4834
ea22 1342 1342/1342 1342 ± 0 6.044 5.565/6.543 6.103 ± 0.6875
ea23 1342 1342/1342 1342 ± 0 6.061 5.4/6.371 5.992 ± 0.7851
ea24 1342 1342/1342 1342 ± 0.000007022 6.199 5.288/6.654 5.938 ± 0.7438
ea25 1342 1342/1342 1342 ± 0 6.437 5.633/6.885 6.356 ± 0.7832
ea27 1342 1342/1342 1342 ± 0 5.791 5.191/6.453 5.849 ± 0.7146
ea28 1342 1342/1342 1342 ± 0 6.343 5.645/6.924 6.224 ± 0.7461
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 5.349 5.185/5.569 5.374 ± 0.2607
3 1342 1342/1342 1342 ± 0.00002755 4.786 4.449/5.072 4.814 ± 0.4402
4 1342 1342/1342 1342 ± 0.00002348 5.188 4.931/5.452 5.202 ± 0.351
5 1342 1342/1342 1342 ± 0.00002348 5.343 5.121/5.638 5.389 ± 0.3106
6 1342 1342/1342 1342 ± 0.00002348 5.272 5.014/5.405 5.24 ± 0.2955
7 1342 1342/1342 1342 ± 0.00002348 5.456 5.314/5.634 5.41 ± 0.2554
8 1342 1342/1342 1342 ± 0.00002348 5.364 5.232/5.573 5.353 ± 0.2777
9 1342 1342/1342 1342 ± 0.00002348 5.697 5.51/5.895 5.683 ± 0.2934
10 1342 1342/1342 1342 ± 0.00002348 6.2 6.018/6.31 6.14 ± 0.2659
11 1342 1342/1342 1342 ± 0.00002348 6.423 6.222/6.563 6.355 ± 0.2871
12 1342 1342/1342 1342 ± 0.00002348 6.543 6.278/6.702 6.495 ± 0.3409
13 1342 1342/1342 1342 ± 0.00002348 6.992 6.715/7.257 6.937 ± 0.3551
14 1342 1342/1342 1342 ± 0.00002348 7.192 6.908/7.396 7.115 ± 0.3787
15 1342 1342/1342 1342 ± 0.00002348 6.893 6.533/7.173 6.834 ± 0.3902
16 1342 1342/1342 1342 ± 0.00002348 6.234 5.959/6.436 6.212 ± 0.3887
17 1342 1342/1342 1342 ± 0.00002348 6.246 5.969/6.385 6.168 ± 0.3719
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-25 15:43:41.236
End
2025-07-25 16:22:06.311
Duration
0:38:25.074
Note, WebLog generation is not included in the time.

CASA logs for stage 8