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

Statwt Summary Plot

VLASS3.2.sb45603243.eb46103640.60451.43735429399_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 6.019 5.673/6.639 6.127 ± 0.718
ea02 1342 1342/1342 1342 ± 0 6.324 5.638/6.472 6.258 ± 0.6117
ea03 1342 1342/1342 1342 ± 0 6.251 5.489/6.874 6.28 ± 0.7679
ea04 1342 1342/1342 1342 ± 0 5.62 5.062/6.053 5.648 ± 0.5829
ea05 1342 1342/1342 1342 ± 0 5.924 5.429/6.59 5.992 ± 0.7637
ea06 1342 1342/1342 1342 ± 0 6.143 5.167/6.329 5.885 ± 0.6746
ea07 1342 1342/1342 1342 ± 0 5.936 5.37/6.467 5.994 ± 0.7404
ea08 1342 1342/1342 1342 ± 0 6.543 5.784/6.932 6.495 ± 0.7045
ea09 1342 1342/1342 1342 ± 0 5.733 5.23/6.478 5.852 ± 0.6457
ea10 1342 1342/1342 1342 ± 0 5.755 5.285/6.27 5.694 ± 0.8478
ea11 1342 1342/1342 1342 ± 0 5.671 5.331/6.553 5.833 ± 0.7869
ea12 1342 1342/1342 1342 ± 0 5.688 5.299/6.221 5.779 ± 0.7306
ea13 1342 1342/1342 1342 ± 0 6.117 5.703/6.455 6.151 ± 0.5251
ea14 1342 1342/1342 1342 ± 0 6.126 5.577/6.553 6.09 ± 0.7436
ea15 1342 1342/1342 1342 ± 0 6.251 5.627/6.652 6.222 ± 0.6877
ea16 1342 1342/1342 1342 ± 0 6.244 5.8/6.766 6.35 ± 0.6773
ea17 1342 1342/1342 1342 ± 0 6.181 5.816/6.977 6.336 ± 0.8477
ea18 1342 1342/1342 1342 ± 0 6.386 5.922/7.024 6.5 ± 0.7028
ea19 1342 1342/1342 1342 ± 0 6.006 5.532/6.594 6.11 ± 0.724
ea20 1342 1342/1342 1342 ± 0 6.021 5.765/6.126 5.854 ± 0.4684
ea21 1342 1342/1342 1342 ± 0 5.491 5.093/5.88 5.538 ± 0.5053
ea22 1342 1342/1342 1342 ± 0 5.996 5.52/6.428 6.029 ± 0.6538
ea23 1342 1342/1342 1342 ± 0 6.185 5.458/6.346 6.064 ± 0.6516
ea24 1342 1342/1342 1342 ± 0 6.336 5.396/6.776 6.104 ± 0.6898
ea25 1342 1342/1342 1342 ± 0 6.623 5.801/7.217 6.58 ± 0.8565
ea27 1342 1342/1342 1342 ± 0 6.019 5.378/6.445 5.934 ± 0.5974
ea28 1342 1342/1342 1342 ± 0 6.51 5.808/7.122 6.473 ± 0.6966
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 ± 0.00002305 5.5 5.343/5.717 5.543 ± 0.263
3 1342 1342/1342 1342 ± 0.00003255 4.494 4.304/5.009 4.667 ± 0.6598
4 1342 1342/1342 1342 ± 0.00002305 5.366 5.183/5.698 5.422 ± 0.3002
5 1342 1342/1342 1342 ± 0.00002305 5.46 5.235/5.745 5.514 ± 0.3142
6 1342 1342/1342 1342 ± 0.00002305 5.485 5.186/5.637 5.427 ± 0.279
7 1342 1342/1342 1342 ± 0.00002305 5.549 5.407/5.748 5.557 ± 0.2524
8 1342 1342/1342 1342 ± 0.00002305 5.526 5.242/5.664 5.491 ± 0.2924
9 1342 1342/1342 1342 ± 0.00002305 5.804 5.653/5.998 5.808 ± 0.3011
10 1342 1342/1342 1342 ± 0.00002348 6.255 6.143/6.359 6.243 ± 0.2651
11 1342 1342/1342 1342 ± 0.00002348 6.484 6.26/6.656 6.463 ± 0.2802
12 1342 1342/1342 1342 ± 0.00002348 6.592 6.387/6.801 6.608 ± 0.3316
13 1342 1342/1342 1342 ± 0.00002348 7.057 6.829/7.337 7.074 ± 0.3412
14 1342 1342/1342 1342 ± 0.00002348 7.324 7.073/7.521 7.295 ± 0.3575
15 1342 1342/1342 1342 ± 0.00002348 7.008 6.704/7.27 6.998 ± 0.3612
16 1342 1342/1342 1342 ± 0.00002348 6.356 6.067/6.72 6.371 ± 0.3962
17 1342 1342/1342 1342 ± 0.00002348 6.312 6.101/6.528 6.323 ± 0.3757
output_dir
 
vis
VLASS3.2.sb45603243.eb46103640.60451.43735429399_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-07-30 11:11:07.157
End
2025-07-30 12:08:35.061
Duration
0:57:27.904
Note, WebLog generation is not included in the time.

CASA logs for stage 8