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

Statwt Summary Plot

VLASS3.2.sb45483556.eb45792768.60431.950518831014_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 5.014 4.927/5.606 5.224 ± 0.4289
ea02 1342 1342/1342 1342 ± 0 5.986 5.641/6.458 6.204 ± 0.6065
ea03 1342 1342/1342 1342 ± 0.000002976 6.067 5.463/6.688 6.106 ± 0.6725
ea04 1342 1342/1342 1342 ± 0.0000214 5.523 5.276/6.113 5.656 ± 0.5227
ea05 1342 1342/1342 1342 ± 0.00002166 5.651 5.39/6.529 5.892 ± 0.6344
ea06 1342 1342/1342 1342 ± 0.000008017 5.671 5.124/6.074 5.736 ± 0.6153
ea07 1342 1342/1342 1342 ± 0 5.649 5.304/6.261 5.879 ± 0.674
ea08 1342 1342/1342 1342 ± 0 6.165 5.724/6.813 6.326 ± 0.6435
ea09 1342 1342/1342 1342 ± 0.000004497 5.516 5.17/6.406 5.706 ± 0.6253
ea10 1342 1342/1342 1342 ± 0 5.286 5.109/6.05 5.54 ± 0.5621
ea11 1342 1342/1342 1342 ± 0.00004205 5.361 4.961/6.176 5.592 ± 0.6241
ea12 1342 1342/1342 1342 ± 0.00003656 5.472 5.342/6.252 5.722 ± 0.5712
ea13 1342 1342/1342 1342 ± 0 5.828 5.694/6.453 6.04 ± 0.6434
ea14 1342 1342/1342 1342 ± 0 5.951 5.603/6.582 6.123 ± 0.5734
ea15 1342 1342/1342 1342 ± 0.00003345 5.898 5.593/6.732 6.154 ± 0.717
ea17 1342 1342/1342 1342 ± 0 5.938 5.776/6.984 6.259 ± 0.6866
ea18 1342 1342/1342 1342 ± 0 6.186 5.95/7.062 6.415 ± 0.6545
ea19 1342 1342/1342 1342 ± 0.00003933 5.654 5.423/6.537 5.937 ± 0.597
ea20 1342 1342/1342 1342 ± 0 5.921 5.617/6.693 6.091 ± 0.6003
ea21 1342 1342/1342 1342 ± 0.00000674 5.282 5.113/5.884 5.533 ± 0.5001
ea22 1342 1342/1342 1342 ± 0 6.025 5.863/6.9 6.315 ± 0.6505
ea23 1342 1342/1342 1342 ± 0 5.73 5.469/6.325 5.974 ± 0.6464
ea24 1342 1342/1342 1342 ± 0 5.847 5.402/6.618 5.963 ± 0.6079
ea25 1342 1342/1342 1342 ± 0.000007155 6.409 5.699/6.864 6.414 ± 0.7637
ea28 1342 1342/1342 1342 ± 0 6.002 5.839/7.015 6.346 ± 0.635
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 ± 0.00002402 5.55 5.344/5.705 5.52 ± 0.3054
4 1342 1342/1342 1342 ± 0.00003042 4.951 4.821/5.174 4.98 ± 0.2859
5 1342 1342/1342 1342 ± 0.00002392 5.423 5.256/5.66 5.474 ± 0.3079
6 1342 1342/1342 1342 ± 0.00002392 5.317 5.077/5.583 5.316 ± 0.3007
7 1342 1342/1342 1342 ± 0.00002392 5.466 5.281/5.698 5.462 ± 0.2764
8 1342 1342/1342 1342 ± 0.00002392 5.388 5.196/5.633 5.395 ± 0.3002
9 1342 1342/1342 1342 ± 0.00002392 5.677 5.559/5.934 5.699 ± 0.3224
10 1342 1342/1342 1342 ± 0.00002392 6.194 6.017/6.345 6.129 ± 0.3042
11 1342 1342/1342 1342 ± 0.00002392 6.38 6.127/6.569 6.34 ± 0.3423
12 1342 1342/1342 1342 ± 0.00002392 6.538 6.25/6.698 6.485 ± 0.3667
13 1342 1342/1342 1342 ± 0.00002392 7.027 6.611/7.196 6.931 ± 0.3939
14 1342 1342/1342 1342 ± 0.00002392 7.133 6.736/7.374 7.03 ± 0.4499
15 1342 1342/1342 1342 ± 0.00002392 6.799 6.506/7.102 6.757 ± 0.3884
16 1342 1342/1342 1342 ± 0.00004815 5.726 5.449/6.092 5.744 ± 0.4198
17 1342 1342/1342 1342 ± 0.00004677 5.616 5.366/5.837 5.58 ± 0.3527
datacolumn
residual_data
vis
VLASS3.2.sb45483556.eb45792768.60431.950518831014_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-07-19 05:05:10.921
End
2025-07-19 06:09:50.032
Duration
1:04:39.111
Note, WebLog generation is not included in the time.

CASA logs for stage 8