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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.099 5.806/6.714 6.22 ± 0.6996
ea02 1342 1342/1342 1342 ± 0 6.287 5.811/6.587 6.264 ± 0.6657
ea03 1342 1342/1342 1342 ± 0 5.966 5.487/6.64 6.075 ± 0.7915
ea04 1342 1342/1342 1342 ± 0 5.65 5.201/6.09 5.64 ± 0.7115
ea05 1342 1342/1342 1342 ± 0 5.936 5.536/6.498 5.99 ± 0.7043
ea06 1342 1342/1342 1342 ± 0 5.795 5.201/6.167 5.731 ± 0.7071
ea07 1342 1342/1342 1342 ± 0 6.276 5.494/6.667 6.125 ± 0.7562
ea08 1342 1342/1342 1342 ± 0 6.797 5.853/7.004 6.558 ± 0.6802
ea09 1342 1342/1342 1342 ± 0 5.74 5.253/6.442 5.733 ± 1
ea10 1342 1342/1342 1342 ± 0 5.767 5.347/6.202 5.71 ± 0.7432
ea11 1342 1342/1342 1342 ± 0 5.828 5.492/6.528 5.957 ± 0.7188
ea12 1342 1342/1342 1342 ± 0 5.578 5.353/6.219 5.754 ± 0.696
ea13 1342 1342/1342 1342 ± 0 6.072 5.6/6.406 5.932 ± 0.9459
ea14 1342 1342/1342 1342 ± 0 6.123 5.764/6.591 6.143 ± 0.7113
ea15 1342 1342/1342 1342 ± 0 6.814 6.768/7.374 7.01 ± 0.4249
ea17 1342 1342/1342 1342 ± 0 6.298 5.94/6.972 6.39 ± 0.8024
ea18 1342 1342/1342 1342 ± 0 6.362 5.933/6.965 6.467 ± 0.6748
ea19 1342 1342/1342 1342 ± 0 5.993 5.651/6.56 6.07 ± 0.6916
ea20 1342 1342/1342 1342 ± 0 6.527 6.043/7.095 6.596 ± 0.695
ea21 1342 1342/1342 1342 ± 0 5.369 5.154/5.916 5.508 ± 0.5545
ea22 1342 1342/1342 1342 ± 0 6.115 5.669/6.533 6.136 ± 0.6096
ea23 1342 1342/1342 1342 ± 0.000007805 6.195 5.685/6.527 6.145 ± 0.8019
ea24 1342 1342/1342 1342 ± 0 6.258 5.284/6.63 5.989 ± 0.6584
ea25 1342 1342/1342 1342 ± 0 6.414 5.817/7.048 6.483 ± 0.8516
ea27 1342 1342/1342 1342 ± 0 5.6 5.297/6.359 5.703 ± 0.731
ea28 1342 1342/1342 1342 ± 0 6.322 5.871/7.136 6.475 ± 0.7194
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 ± 0.00002395 5.643 5.405/5.799 5.621 ± 0.2573
3 1342 1342/1342 1342 ± 0.00002442 4.445 4.035/4.902 4.427 ± 0.7491
4 1342 1342/1342 1342 ± 0.0000253 5.361 5.22/5.791 5.48 ± 0.322
5 1342 1342/1342 1342 ± 0.00002395 5.662 5.272/5.864 5.623 ± 0.3091
6 1342 1342/1342 1342 ± 0.00002395 5.591 5.361/5.815 5.551 ± 0.2851
7 1342 1342/1342 1342 ± 0.00002395 5.665 5.432/5.849 5.62 ± 0.2613
8 1342 1342/1342 1342 ± 0.00002395 5.52 5.245/5.808 5.534 ± 0.3179
9 1342 1342/1342 1342 ± 0.00002395 5.809 5.634/6.092 5.826 ± 0.307
10 1342 1342/1342 1342 ± 0.00002352 6.318 6.136/6.45 6.296 ± 0.2828
11 1342 1342/1342 1342 ± 0.00002352 6.51 6.275/6.696 6.505 ± 0.2912
12 1342 1342/1342 1342 ± 0.00002352 6.646 6.403/6.779 6.641 ± 0.3303
13 1342 1342/1342 1342 ± 0.00002352 7.089 6.808/7.449 7.105 ± 0.3581
14 1342 1342/1342 1342 ± 0.00002352 7.293 6.999/7.636 7.304 ± 0.373
15 1342 1342/1342 1342 ± 0.00002352 6.864 6.477/7.197 6.858 ± 0.393
16 1342 1342/1342 1342 ± 0.00002425 6.386 6.032/6.809 6.383 ± 0.436
17 1342 1342/1342 1342 ± 0.00002352 6.379 6.007/6.754 6.335 ± 0.4207
statwtmode
VLASS-SE
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-29 07:20:56.323
End
2025-07-29 08:15:28.785
Duration
0:54:32.462
Note, WebLog generation is not included in the time.

CASA logs for stage 8