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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.47 5.206/6.198 5.569 ± 0.8602
ea02 1342 1342/1342 1342 ± 0.00000881 5.73 5.286/6.388 5.741 ± 0.8823
ea03 1342 1342/1342 1342 ± 0 5.341 5.209/6.643 5.753 ± 0.7923
ea04 1342 1342/1342 1342 ± 0.00004545 5.122 4.958/6.044 5.238 ± 0.7558
ea05 1342 1342/1342 1342 ± 0.00004679 5.353 5.051/6.416 5.526 ± 0.8462
ea06 1342 1342/1342 1342 ± 0.0000252 5.196 4.84/6.024 5.389 ± 0.7392
ea07 1342 1342/1342 1342 ± 0.00002238 5.146 4.974/6.256 5.44 ± 1.007
ea08 1342 1342/1342 1342 ± 0 5.656 5.432/6.784 5.912 ± 0.9703
ea09 1342 1342/1342 1342 ± 0.00004455 5.017 4.72/6.029 5.222 ± 0.7362
ea10 1342 1342/1342 1342 ± 0.00004095 5.049 4.694/6.041 5.212 ± 0.7937
ea11 1342 1342/1342 1342 ± 0.00004932 5.258 4.564/6.224 5.256 ± 0.9033
ea12 1342 1342/1342 1342 ± 0.00004386 5.074 4.907/5.915 5.176 ± 0.8119
ea14 1342 1342/1342 1342 ± 0.00004635 5.521 5.325/6.498 5.612 ± 0.814
ea15 1342 1342/1342 1342 ± 0.00004863 5.506 5.408/6.585 5.676 ± 0.914
ea16 1342 1342/1342 1342 ± 0.00002425 5.758 5.273/6.606 5.819 ± 0.8663
ea17 1342 1342/1342 1342 ± 0.00002598 5.607 5.275/6.485 5.698 ± 1.031
ea18 1342 1342/1342 1342 ± 0 5.719 5.515/6.866 5.984 ± 0.9125
ea19 1342 1342/1342 1342 ± 0.00004131 5.171 5.036/6.332 5.445 ± 0.8678
ea20 1342 1342/1342 1342 ± 0.00003121 5.847 5.658/6.875 6.022 ± 0.8695
ea21 1342 1342/1342 1342 ± 0.000001767 5.104 4.982/5.917 5.355 ± 0.6538
ea22 1342 1342/1342 1342 ± 0 5.581 5.144/6.417 5.656 ± 0.9039
ea23 1342 1342/1342 1342 ± 0.00004365 5.505 5.182/6.348 5.603 ± 0.867
ea24 1342 1342/1342 1342 ± 0.000004671 5.309 5.044/6.302 5.663 ± 0.6857
ea25 1342 1342/1342 1342 ± 0.00001192 5.704 5.393/6.856 6.081 ± 0.9241
ea27 1342 1342/1342 1342 ± 0.00001099 5.384 5.07/6.371 5.567 ± 0.7532
ea28 1342 1342/1342 1342 ± 0 5.733 5.616/6.784 6.043 ± 0.7035
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 5.158 4.983/5.276 5.163 ± 0.2619
3 1342 1342/1342 1342 ± 0.00004037 3.519 3.193/3.798 3.479 ± 0.5136
5 1342 1342/1342 1342 ± 0.00002447 5.099 4.954/5.459 5.166 ± 0.3339
6 1342 1342/1342 1342 ± 0.00002348 5.243 5.011/5.516 5.249 ± 0.2881
7 1342 1342/1342 1342 ± 0.00002348 5.282 5.032/5.436 5.245 ± 0.2562
8 1342 1342/1342 1342 ± 0.00002348 5.245 5.051/5.47 5.243 ± 0.2863
9 1342 1342/1342 1342 ± 0.00002348 5.527 5.343/5.754 5.53 ± 0.304
10 1342 1342/1342 1342 ± 0.00002348 6.118 5.941/6.245 6.101 ± 0.2795
11 1342 1342/1342 1342 ± 0.00002348 6.388 6.195/6.506 6.379 ± 0.2753
12 1342 1342/1342 1342 ± 0.00002348 6.568 6.291/6.656 6.528 ± 0.3163
13 1342 1342/1342 1342 ± 0.00002349 6.821 6.421/7.099 6.818 ± 0.3777
14 1342 1342/1342 1342 ± 0.00004612 6.005 5.554/6.409 6.058 ± 0.6111
15 1342 1342/1342 1342 ± 0.00002348 6.68 6.292/7.012 6.665 ± 0.3657
16 1342 1342/1342 1342 ± 0.00006102 4.09 3.907/4.468 4.231 ± 0.4489
17 1342 1342/1342 1342 ± 0.00006094 4.234 4.051/4.545 4.302 ± 0.3479
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-22 21:45:59.499
End
2025-07-22 22:40:53.015
Duration
0:54:53.515
Note, WebLog generation is not included in the time.

CASA logs for stage 8