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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.533 5.1/6.236 5.456 ± 1.064
ea02 1342 1342/1342 1342 ± 0.00003605 5.729 5.318/6.497 5.626 ± 0.9976
ea03 1342 1342/1342 1342 ± 0.000003465 5.403 5.298/6.516 5.698 ± 0.8096
ea04 1342 1342/1342 1342 ± 0.0000493 5.094 4.654/5.998 5.111 ± 0.8518
ea05 1342 1342/1342 1342 ± 0.00005083 5.344 5.075/6.408 5.395 ± 1.015
ea06 1342 1342/1342 1342 ± 0.00002735 5.089 4.791/6.057 5.203 ± 0.8495
ea07 1342 1342/1342 1342 ± 0.00004197 5.217 5.001/6.279 5.414 ± 0.9824
ea08 1342 1342/1342 1342 ± 0.00001122 5.899 5.554/6.863 5.88 ± 1.055
ea09 1342 1342/1342 1342 ± 0.00004839 5.202 4.838/6.208 5.225 ± 0.9437
ea10 1342 1342/1342 1342 ± 0.00004621 5.009 4.631/5.912 4.998 ± 0.8733
ea11 1342 1342/1342 1342 ± 0.00005268 5.23 4.501/6.086 5.056 ± 1.03
ea13 1342 1342/1342 1342 ± 0.00002437 5.426 5.184/6.241 5.508 ± 0.6952
ea14 1342 1342/1342 1342 ± 0.00004952 5.478 5.137/6.569 5.533 ± 1.042
ea15 1342 1342/1342 1342 ± 0.00005062 5.582 5.071/6.685 5.592 ± 1.074
ea16 1342 1342/1342 1342 ± 0.00002547 5.752 5.348/6.543 5.737 ± 1.013
ea17 1342 1342/1342 1342 ± 0.0000425 5.744 5.288/6.636 5.723 ± 1.136
ea18 1342 1342/1342 1342 ± 0.00000986 5.935 5.671/6.9 6 ± 1.039
ea19 1342 1342/1342 1342 ± 0.00004292 5.361 5.074/6.371 5.403 ± 0.9667
ea20 1342 1342/1342 1342 ± 0.0000377 5.373 5.23/6.225 5.516 ± 0.7887
ea21 1342 1342/1342 1342 ± 0.000007625 5.18 4.95/5.867 5.259 ± 0.656
ea22 1342 1342/1342 1342 ± 0.00002507 5.754 5.25/6.557 5.688 ± 0.9967
ea23 1342 1342/1342 1342 ± 0.00004827 5.496 5.127/6.387 5.49 ± 1.012
ea24 1342 1342/1342 1342 ± 0.00001514 5.1 4.927/6.062 5.457 ± 0.7487
ea25 1342 1342/1342 1342 ± 0.00001303 5.766 5.425/6.995 6.029 ± 0.9518
ea27 1342 1342/1342 1342 ± 0.00001721 5.178 4.97/6.406 5.352 ± 0.9345
ea28 1342 1342/1342 1342 ± 0.000001853 5.679 5.624/6.718 5.896 ± 0.8113
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 5.308 5.025/5.379 5.221 ± 0.2806
5 1342 1342/1342 1342 ± 0.00003152 5.201 4.93/5.488 5.25 ± 0.3982
6 1342 1342/1342 1342 ± 0.00002348 5.275 5.068/5.498 5.262 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002348 5.338 5.099/5.515 5.3 ± 0.2628
8 1342 1342/1342 1342 ± 0.00002348 5.289 5.085/5.562 5.301 ± 0.2873
9 1342 1342/1342 1342 ± 0.00002348 5.49 5.301/5.781 5.534 ± 0.3103
10 1342 1342/1342 1342 ± 0.00002392 6.183 5.972/6.272 6.122 ± 0.295
11 1342 1342/1342 1342 ± 0.00002348 6.411 6.239/6.571 6.413 ± 0.2726
12 1342 1342/1342 1342 ± 0.00002348 6.607 6.36/6.807 6.585 ± 0.3233
13 1342 1342/1342 1342 ± 0.00002349 6.716 6.384/7.03 6.715 ± 0.4191
14 1342 1342/1342 1342 ± 0.00005642 5.11 4.63/5.782 5.251 ± 0.7519
15 1342 1342/1342 1342 ± 0.00002348 6.675 6.237/7.015 6.632 ± 0.4595
16 1342 1342/1342 1342 ± 0.00006034 3.711 3.547/4.122 3.859 ± 0.4643
17 1342 1342/1342 1342 ± 0.00006048 3.634 3.447/3.965 3.712 ± 0.3604
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
Start time
2025-07-19 11:50:33.795
End
2025-07-19 12:37:47.325
Duration
0:47:13.530
Note, WebLog generation is not included in the time.

CASA logs for stage 8