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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.586 5.391/6.249 5.727 ± 0.7393
ea02 1342 1342/1342 1342 ± 0.00003028 5.445 5.257/6.29 5.644 ± 0.6559
ea03 1342 1342/1342 1342 ± 0 5.253 5.05/6.124 5.554 ± 0.6092
ea04 1342 1342/1342 1342 ± 0.00003413 5.14 4.75/5.893 5.249 ± 0.6092
ea05 1342 1342/1342 1342 ± 0.00004068 5.327 5.068/6.212 5.491 ± 0.7381
ea06 1342 1342/1342 1342 ± 0 5.31 4.778/5.835 5.299 ± 0.5612
ea07 1342 1342/1342 1342 ± 0.00002371 5.418 4.878/6.157 5.476 ± 0.6784
ea08 1342 1342/1342 1342 ± 0.00001937 5.52 5.336/6.636 5.777 ± 0.7784
ea09 1342 1342/1342 1342 ± 0.000024 5.189 4.881/5.823 5.349 ± 0.5854
ea10 1342 1342/1342 1342 ± 0.0000359 4.458 4.134/4.968 4.482 ± 0.4474
ea11 1342 1342/1342 1342 ± 0.0000444 5.554 4.977/6.395 5.623 ± 0.8508
ea12 1342 1342/1342 1342 ± 0.0000221 5.095 4.712/5.774 5.199 ± 0.6182
ea14 1342 1342/1342 1342 ± 0.00003697 5.509 5.332/6.324 5.624 ± 0.699
ea15 1342 1342/1342 1342 ± 0.00004351 5.652 5.301/6.358 5.683 ± 0.7902
ea16 1342 1342/1342 1342 ± 0 5.605 5.132/6.231 5.699 ± 0.6697
ea17 1342 1342/1342 1342 ± 0.00002761 5.703 5.142/6.523 5.853 ± 0.7739
ea18 1342 1342/1342 1342 ± 0.00003031 5.651 5.322/6.571 5.766 ± 0.8046
ea19 1342 1342/1342 1342 ± 0.000007229 5.413 5.076/6.176 5.496 ± 0.7152
ea20 1342 1342/1342 1342 ± 0.000004087 5.884 5.641/6.788 6.156 ± 0.7115
ea21 1342 1342/1342 1342 ± 0 4.799 4.637/5.424 4.992 ± 0.5122
ea22 1342 1342/1342 1342 ± 0.00001748 5.478 5.043/6.284 5.581 ± 0.6956
ea23 1342 1342/1342 1342 ± 0.00003431 5.605 5.136/6.368 5.697 ± 0.7458
ea24 1342 1342/1342 1342 ± 0 5.351 5.004/6.12 5.539 ± 0.6028
ea25 1342 1342/1342 1342 ± 0 5.724 5.192/6.225 5.852 ± 0.7181
ea27 1342 1342/1342 1342 ± 0 5.377 4.935/6.049 5.355 ± 0.7323
ea28 1342 1342/1342 1342 ± 0 5.784 5.608/6.641 6.057 ± 0.6596
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 ± 0.0000235 5.166 4.934/5.317 5.133 ± 0.2939
5 1342 1342/1342 1342 ± 0.00002829 5.011 4.775/5.267 5.04 ± 0.3436
6 1342 1342/1342 1342 ± 0.0000235 5.046 4.886/5.402 5.088 ± 0.3109
7 1342 1342/1342 1342 ± 0.0000235 5.175 5.018/5.392 5.187 ± 0.3004
8 1342 1342/1342 1342 ± 0.0000235 5.14 4.953/5.384 5.179 ± 0.3587
9 1342 1342/1342 1342 ± 0.0000235 5.482 5.255/5.791 5.478 ± 0.3553
10 1342 1342/1342 1342 ± 0.0000235 5.944 5.755/6.142 5.923 ± 0.3661
11 1342 1342/1342 1342 ± 0.0000235 6.232 6.118/6.499 6.2 ± 0.3757
12 1342 1342/1342 1342 ± 0.0000235 6.437 6.199/6.537 6.356 ± 0.4179
13 1342 1342/1342 1342 ± 0.00002391 6.727 6.523/6.993 6.726 ± 0.3917
14 1342 1342/1342 1342 ± 0.00002532 5.76 5.481/6.209 5.9 ± 0.5934
15 1342 1342/1342 1342 ± 0.00002369 6.155 5.774/6.519 6.095 ± 0.534
16 1342 1342/1342 1342 ± 0.00005844 4.562 4.32/4.853 4.644 ± 0.4836
17 1342 1342/1342 1342 ± 0.00005564 4.497 4.292/4.798 4.557 ± 0.3845
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
output_dir
 
Start time
2025-07-24 05:51:56.776
End
2025-07-24 06:52:28.892
Duration
1:00:32.117
Note, WebLog generation is not included in the time.

CASA logs for stage 8