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 5.721 5.556/6.543 5.872 ± 0.7459
ea02 1342 1342/1342 1342 ± 0 6.032 5.531/6.439 6.008 ± 0.7875
ea03 1342 1342/1342 1342 ± 0 6.062 5.4/6.69 5.978 ± 0.736
ea04 1342 1342/1342 1342 ± 0.00001012 5.308 4.943/5.94 5.343 ± 0.6493
ea05 1342 1342/1342 1342 ± 0.00001131 5.555 5.203/6.342 5.681 ± 0.7505
ea06 1342 1342/1342 1342 ± 0 5.605 5.04/5.998 5.576 ± 0.6581
ea07 1342 1342/1342 1342 ± 0 5.746 5.047/6.109 5.617 ± 0.8138
ea08 1342 1342/1342 1342 ± 0 5.959 5.403/6.534 5.963 ± 0.7418
ea09 1342 1342/1342 1342 ± 0 5.594 5.065/6.268 5.615 ± 0.6662
ea10 1342 1342/1342 1342 ± 0 5.28 5.04/6.08 5.46 ± 0.6547
ea11 1342 1342/1342 1342 ± 0.00003704 5.513 4.925/6.335 5.511 ± 0.851
ea12 1342 1342/1342 1342 ± 0.00002653 5.393 5.264/6.242 5.553 ± 0.6968
ea14 1342 1342/1342 1342 ± 0.000003422 5.665 5.43/6.437 5.842 ± 0.6721
ea15 1342 1342/1342 1342 ± 0.00002512 5.804 5.53/6.628 5.948 ± 0.8284
ea16 1342 1342/1342 1342 ± 0 5.998 5.595/6.626 6.074 ± 0.7118
ea17 1342 1342/1342 1342 ± 0 6.02 5.613/6.964 6.102 ± 0.7475
ea18 1342 1342/1342 1342 ± 0 6.449 5.778/7.001 6.292 ± 0.7856
ea19 1342 1342/1342 1342 ± 0.00002352 5.632 5.337/6.633 5.818 ± 0.7393
ea20 1342 1342/1342 1342 ± 0 6.294 5.828/6.967 6.28 ± 0.7756
ea22 1342 1342/1342 1342 ± 0 5.538 5.167/6.159 5.549 ± 0.6152
ea23 1342 1342/1342 1342 ± 0 5.597 5.394/6.357 5.797 ± 0.7545
ea24 1342 1342/1342 1342 ± 0 6.167 5.133/6.537 5.824 ± 0.7839
ea25 1342 1342/1342 1342 ± 0 6.435 5.581/6.852 6.278 ± 0.8801
ea27 1342 1342/1342 1342 ± 0.000001531 5.586 5.313/6.461 5.754 ± 0.6982
ea28 1342 1342/1342 1342 ± 0 6.309 5.742/7.068 6.28 ± 0.8082
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 ± 0.00002393 5.438 5.249/5.694 5.476 ± 0.2949
3 1342 1342/1342 1342 ± 0.0000262 4.069 3.73/4.532 4.158 ± 0.4843
4 1342 1342/1342 1342 ± 0.00003206 4.595 4.358/4.788 4.584 ± 0.2947
5 1342 1342/1342 1342 ± 0.00002393 5.402 5.127/5.684 5.409 ± 0.3149
6 1342 1342/1342 1342 ± 0.00002393 5.287 5.051/5.505 5.261 ± 0.2511
7 1342 1342/1342 1342 ± 0.00002393 5.386 5.174/5.585 5.378 ± 0.2615
8 1342 1342/1342 1342 ± 0.00002393 5.367 5.129/5.534 5.361 ± 0.2989
9 1342 1342/1342 1342 ± 0.00002393 5.653 5.475/5.867 5.65 ± 0.2911
10 1342 1342/1342 1342 ± 0.00002393 6.15 5.933/6.242 6.122 ± 0.2634
11 1342 1342/1342 1342 ± 0.00002393 6.387 6.065/6.503 6.348 ± 0.2814
12 1342 1342/1342 1342 ± 0.00002393 6.51 6.32/6.645 6.515 ± 0.3221
13 1342 1342/1342 1342 ± 0.00002393 6.959 6.77/7.18 6.968 ± 0.3466
14 1342 1342/1342 1342 ± 0.00002396 6.877 6.55/7.248 6.913 ± 0.442
15 1342 1342/1342 1342 ± 0.00002393 6.772 6.474/7.025 6.736 ± 0.3391
16 1342 1342/1342 1342 ± 0.00003384 5.821 5.501/6.165 5.854 ± 0.458
17 1342 1342/1342 1342 ± 0.00003932 5.727 5.526/6.079 5.783 ± 0.3867
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45489670.eb46132517.60459.18880607639_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-07-31 05:33:14.427
End
2025-07-31 06:41:07.574
Duration
1:07:53.147
Note, WebLog generation is not included in the time.

CASA logs for stage 8