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

Statwt Summary Plot

VLASS3.2.sb45489670.eb46132517.60459.18880607639_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 5.809 5.613/6.491 5.934 ± 0.7018
ea02 1342 1342/1342 1342 ± 0 6.03 5.53/6.407 6.054 ± 0.7322
ea03 1342 1342/1342 1342 ± 0 6.035 5.374/6.66 5.967 ± 0.7056
ea04 1342 1342/1342 1342 ± 0 5.34 4.9/5.939 5.387 ± 0.5942
ea05 1342 1342/1342 1342 ± 0.000007277 5.525 5.137/6.373 5.669 ± 0.7266
ea06 1342 1342/1342 1342 ± 0 5.692 5.013/5.965 5.57 ± 0.6454
ea07 1342 1342/1342 1342 ± 0 5.797 5.09/6.141 5.69 ± 0.7926
ea08 1342 1342/1342 1342 ± 0 5.959 5.389/6.472 5.956 ± 0.7171
ea09 1342 1342/1342 1342 ± 0 5.59 5.041/6.291 5.639 ± 0.7
ea10 1342 1342/1342 1342 ± 0 5.283 5.116/6.03 5.486 ± 0.5988
ea11 1342 1342/1342 1342 ± 0.00002607 5.464 4.954/6.303 5.534 ± 0.8174
ea12 1342 1342/1342 1342 ± 0 5.352 5.253/6.211 5.572 ± 0.5887
ea14 1342 1342/1342 1342 ± 0.00000752 5.673 5.402/6.395 5.82 ± 0.635
ea15 1342 1342/1342 1342 ± 0.000009106 5.976 5.508/6.6 6.048 ± 0.7952
ea16 1342 1342/1342 1342 ± 0 5.924 5.536/6.576 6.021 ± 0.6914
ea17 1342 1342/1342 1342 ± 0 5.981 5.619/6.898 6.126 ± 0.6823
ea18 1342 1342/1342 1342 ± 0 6.376 5.745/7.053 6.302 ± 0.7646
ea19 1342 1342/1342 1342 ± 0 5.64 5.305/6.581 5.833 ± 0.6939
ea20 1342 1342/1342 1342 ± 0 6.488 5.78/7.002 6.319 ± 0.7702
ea22 1342 1342/1342 1342 ± 0 5.541 5.14/6.11 5.568 ± 0.5893
ea23 1342 1342/1342 1342 ± 0.000009216 5.544 5.364/6.316 5.81 ± 0.7021
ea24 1342 1342/1342 1342 ± 0 6.075 4.99/6.453 5.718 ± 0.8233
ea25 1342 1342/1342 1342 ± 0 6.406 5.549/6.841 6.278 ± 0.8535
ea27 1342 1342/1342 1342 ± 0 5.585 5.21/6.397 5.744 ± 0.6551
ea28 1342 1342/1342 1342 ± 0 6.361 5.696/7.021 6.316 ± 0.7638
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 ± 0.00002404 5.426 5.25/5.638 5.454 ± 0.3128
3 1342 1342/1342 1342 ± 0.00002978 3.831 3.346/4.2 3.817 ± 0.5836
4 1342 1342/1342 1342 ± 0.00002834 4.602 4.392/4.765 4.584 ± 0.2939
5 1342 1342/1342 1342 ± 0.00002394 5.374 5.087/5.653 5.376 ± 0.3173
6 1342 1342/1342 1342 ± 0.00002394 5.192 4.998/5.445 5.194 ± 0.2668
7 1342 1342/1342 1342 ± 0.00002394 5.351 5.137/5.537 5.343 ± 0.2543
8 1342 1342/1342 1342 ± 0.00002394 5.339 5.094/5.521 5.315 ± 0.3037
9 1342 1342/1342 1342 ± 0.00002394 5.611 5.452/5.833 5.613 ± 0.2906
10 1342 1342/1342 1342 ± 0.00002394 6.087 5.931/6.203 6.075 ± 0.25
11 1342 1342/1342 1342 ± 0.00002394 6.331 6.076/6.442 6.299 ± 0.2752
12 1342 1342/1342 1342 ± 0.00002394 6.436 6.293/6.598 6.471 ± 0.3161
13 1342 1342/1342 1342 ± 0.00002394 6.902 6.738/7.129 6.938 ± 0.3432
14 1342 1342/1342 1342 ± 0.00002394 6.932 6.572/7.295 6.932 ± 0.4327
15 1342 1342/1342 1342 ± 0.00002394 6.741 6.396/7.031 6.701 ± 0.3402
16 1342 1342/1342 1342 ± 0.00002679 5.959 5.494/6.18 5.893 ± 0.4783
17 1342 1342/1342 1342 ± 0.00002741 5.828 5.474/6.041 5.813 ± 0.4123
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-31 05:46:53.453
End
2025-07-31 06:51:45.212
Duration
1:04:51.758
Note, WebLog generation is not included in the time.

CASA logs for stage 8