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

Statwt Summary Plot

VLASS3.2.sb45490828.eb46106518.60453.38273079861_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 5.801 5.59/6.727 6.123 ± 0.587
ea02 1342 1342/1342 1342 ± 0.000006051 5.965 5.832/6.491 6.255 ± 0.5924
ea03 1342 1342/1342 1342 ± 0.000001146 6.148 5.572/6.869 6.251 ± 0.6963
ea04 1342 1342/1342 1342 ± 0.000005935 5.513 5.31/6.223 5.729 ± 0.5064
ea05 1342 1342/1342 1342 ± 0.000009672 5.784 5.455/6.644 6.03 ± 0.614
ea06 1342 1342/1342 1342 ± 0.000006043 5.684 5.275/6.239 5.854 ± 0.6131
ea07 1342 1342/1342 1342 ± 0 5.889 5.464/6.461 6.107 ± 0.6918
ea08 1342 1342/1342 1342 ± 0 6.23 5.825/6.913 6.443 ± 0.653
ea09 1342 1342/1342 1342 ± 0 5.621 5.24/6.391 5.757 ± 0.5889
ea10 1342 1342/1342 1342 ± 0 5.613 5.343/6.381 5.818 ± 0.5889
ea11 1342 1342/1342 1342 ± 0.00004016 5.785 5.073/6.545 5.873 ± 0.6825
ea12 1342 1342/1342 1342 ± 0.00003017 5.582 5.422/6.372 5.845 ± 0.5347
ea14 1342 1342/1342 1342 ± 0 5.939 5.642/6.576 6.124 ± 0.541
ea15 1342 1342/1342 1342 ± 0.00002956 5.86 5.651/6.742 6.144 ± 0.6748
ea16 1342 1342/1342 1342 ± 0.000008536 6 5.843/6.794 6.295 ± 0.6709
ea17 1342 1342/1342 1342 ± 0 6.008 5.847/7.152 6.351 ± 0.679
ea18 1342 1342/1342 1342 ± 0 6.475 6.04/7.21 6.626 ± 0.6622
ea19 1342 1342/1342 1342 ± 0.00003368 5.855 5.667/6.824 6.188 ± 0.5987
ea20 1342 1342/1342 1342 ± 0 6.117 5.947/7.072 6.453 ± 0.6165
ea21 1342 1342/1342 1342 ± 0 5.415 5.191/6.018 5.652 ± 0.5197
ea22 1342 1342/1342 1342 ± 0 5.702 5.491/6.479 5.909 ± 0.554
ea23 1342 1342/1342 1342 ± 0 5.875 5.531/6.586 6.101 ± 0.6565
ea24 1342 1342/1342 1342 ± 0 6.146 5.329/6.687 6.015 ± 0.6761
ea25 1342 1342/1342 1342 ± 0 6.467 5.791/7.024 6.549 ± 0.7986
ea27 1342 1342/1342 1342 ± 0.000007219 5.672 5.518/6.615 5.977 ± 0.6206
ea28 1342 1342/1342 1342 ± 0 6.38 5.809/7.067 6.425 ± 0.6439
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 5.578 5.434/5.792 5.605 ± 0.2613
5 1342 1342/1342 1342 ± 0.00002348 5.457 5.182/5.633 5.453 ± 0.2758
6 1342 1342/1342 1342 ± 0.00002348 5.558 5.349/5.771 5.544 ± 0.2567
7 1342 1342/1342 1342 ± 0.00002348 5.623 5.372/5.79 5.574 ± 0.2368
8 1342 1342/1342 1342 ± 0.00002348 5.554 5.199/5.665 5.499 ± 0.2783
9 1342 1342/1342 1342 ± 0.00002348 5.832 5.636/5.952 5.792 ± 0.2811
10 1342 1342/1342 1342 ± 0.00002348 6.282 6.148/6.375 6.26 ± 0.2584
11 1342 1342/1342 1342 ± 0.00002348 6.524 6.227/6.701 6.496 ± 0.2769
12 1342 1342/1342 1342 ± 0.00002348 6.673 6.453/6.869 6.67 ± 0.3054
13 1342 1342/1342 1342 ± 0.00002348 7.18 6.851/7.391 7.135 ± 0.334
14 1342 1342/1342 1342 ± 0.00002348 6.992 6.737/7.416 7.081 ± 0.4326
15 1342 1342/1342 1342 ± 0.00002348 6.995 6.576/7.2 6.905 ± 0.3447
16 1342 1342/1342 1342 ± 0.00004135 5.668 5.452/6.06 5.774 ± 0.4085
17 1342 1342/1342 1342 ± 0.00004177 5.705 5.495/6.078 5.772 ± 0.3629
vis
VLASS3.2.sb45490828.eb46106518.60453.38273079861_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-07-31 08:39:52.764
End
2025-07-31 09:57:03.131
Duration
1:17:10.367
Note, WebLog generation is not included in the time.

CASA logs for stage 8