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 5.892 5.448/6.425 5.986 ± 0.6645
ea02 1342 1342/1342 1342 ± 0 6.261 5.414/6.422 6.046 ± 0.6976
ea03 1342 1342/1342 1342 ± 0 5.982 5.263/6.591 5.998 ± 0.7214
ea04 1342 1342/1342 1342 ± 0 5.315 4.86/5.754 5.308 ± 0.6221
ea05 1342 1342/1342 1342 ± 0 5.756 5.207/6.425 5.782 ± 0.7519
ea06 1342 1342/1342 1342 ± 0 5.834 4.891/5.872 5.527 ± 0.6025
ea07 1342 1342/1342 1342 ± 0 5.76 5.076/6.183 5.761 ± 0.7174
ea08 1342 1342/1342 1342 ± 0 6.235 5.523/6.681 6.223 ± 0.6951
ea09 1342 1342/1342 1342 ± 0.000001254 5.717 5.054/6.446 5.73 ± 0.7203
ea10 1342 1342/1342 1342 ± 0 5.393 4.824/5.87 5.358 ± 0.6315
ea11 1342 1342/1342 1342 ± 0.000001214 5.366 4.95/6.203 5.486 ± 0.7388
ea12 1342 1342/1342 1342 ± 0 5.412 5.052/6.024 5.565 ± 0.6683
ea13 1342 1342/1342 1342 ± 0.000001214 5.668 5.284/6.165 5.683 ± 0.6839
ea14 1342 1342/1342 1342 ± 0.000004024 5.939 5.388/6.424 5.889 ± 0.7529
ea15 1342 1342/1342 1342 ± 0.000004332 6.102 5.471/6.519 6 ± 0.7219
ea16 1342 1342/1342 1342 ± 0 6 5.558/6.63 6.129 ± 0.7195
ea17 1342 1342/1342 1342 ± 0 5.94 5.552/6.629 6.1 ± 0.747
ea18 1342 1342/1342 1342 ± 0 6.184 5.691/6.792 6.244 ± 0.6901
ea19 1342 1342/1342 1342 ± 0 5.718 5.212/6.273 5.759 ± 0.6731
ea20 1342 1342/1342 1342 ± 0 5.534 5.075/6.241 5.56 ± 0.657
ea21 1342 1342/1342 1342 ± 0 5.297 4.954/5.78 5.394 ± 0.4981
ea22 1342 1342/1342 1342 ± 0 5.975 5.432/6.438 6.005 ± 0.6859
ea23 1342 1342/1342 1342 ± 0 6.03 5.363/6.321 5.927 ± 0.7967
ea24 1342 1342/1342 1342 ± 0.000002171 6.156 5.08/6.541 5.807 ± 0.7961
ea25 1342 1342/1342 1342 ± 0 6.376 5.568/6.893 6.34 ± 0.8051
ea27 1342 1342/1342 1342 ± 0 5.736 5.095/6.389 5.779 ± 0.7188
ea28 1342 1342/1342 1342 ± 0 6.206 5.591/6.877 6.199 ± 0.6877
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 ± 0.00002345 5.27 5.091/5.474 5.274 ± 0.2601
3 1342 1342/1342 1342 ± 0.00002803 4.679 4.323/4.999 4.685 ± 0.4782
4 1342 1342/1342 1342 ± 0.00002392 5.059 4.764/5.258 5.032 ± 0.3652
5 1342 1342/1342 1342 ± 0.00002345 5.261 5.016/5.571 5.296 ± 0.3107
6 1342 1342/1342 1342 ± 0.00002345 5.156 4.879/5.307 5.122 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002345 5.353 5.219/5.526 5.318 ± 0.2462
8 1342 1342/1342 1342 ± 0.00002345 5.258 5.099/5.471 5.272 ± 0.2745
9 1342 1342/1342 1342 ± 0.00002345 5.621 5.419/5.825 5.605 ± 0.2828
10 1342 1342/1342 1342 ± 0.00002345 6.142 5.96/6.24 6.068 ± 0.2572
11 1342 1342/1342 1342 ± 0.00002345 6.359 6.166/6.462 6.282 ± 0.2806
12 1342 1342/1342 1342 ± 0.00002345 6.459 6.183/6.635 6.42 ± 0.3254
13 1342 1342/1342 1342 ± 0.00002345 6.855 6.613/7.155 6.851 ± 0.3495
14 1342 1342/1342 1342 ± 0.00002345 7.084 6.794/7.292 7.005 ± 0.3689
15 1342 1342/1342 1342 ± 0.00002345 6.802 6.454/7.059 6.743 ± 0.3909
16 1342 1342/1342 1342 ± 0.00002345 6.155 5.875/6.431 6.12 ± 0.3877
17 1342 1342/1342 1342 ± 0.00002345 6.152 5.847/6.335 6.072 ± 0.3762
vis
VLASS3.2.sb45663667.eb45887130.60436.11477922453_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2025-07-25 10:45:09.361
End
2025-07-25 11:40:34.988
Duration
0:55:25.627
Note, WebLog generation is not included in the time.

CASA logs for stage 8