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

Statwt Summary Plot

VLASS3.2.sb45459544.eb46165741.60472.10038270833_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 5.463 5.264/6.215 5.555 ± 0.928
ea02 1342 1342/1342 1342 ± 0.00002025 5.62 5.286/6.415 5.648 ± 0.928
ea03 1342 1342/1342 1342 ± 0.000004021 5.243 5.12/6.65 5.728 ± 0.865
ea04 1342 1342/1342 1342 ± 0.00004491 5.133 4.884/5.999 5.184 ± 0.7675
ea05 1342 1342/1342 1342 ± 0.0000514 5.295 4.941/6.403 5.382 ± 1.005
ea06 1342 1342/1342 1342 ± 0.00002428 4.868 4.712/5.901 5.218 ± 0.8291
ea07 1342 1342/1342 1342 ± 0.00002521 5.105 4.911/6.219 5.411 ± 0.9401
ea08 1342 1342/1342 1342 ± 0 5.9 5.459/6.728 5.96 ± 0.8761
ea09 1342 1342/1342 1342 ± 0.00004609 4.941 4.63/5.933 5.1 ± 0.7636
ea10 1342 1342/1342 1342 ± 0.00004927 4.978 4.598/6.056 5.086 ± 0.9068
ea11 1342 1342/1342 1342 ± 0.00004933 5.244 4.55/6.305 5.28 ± 0.9233
ea12 1342 1342/1342 1342 ± 0.0000464 5.13 4.854/5.933 5.171 ± 0.8442
ea14 1342 1342/1342 1342 ± 0.00005089 5.465 5.223/6.512 5.537 ± 0.9323
ea15 1342 1342/1342 1342 ± 0.00005189 5.605 4.938/6.541 5.557 ± 1.034
ea16 1342 1342/1342 1342 ± 0.000023 5.665 4.868/6.639 5.709 ± 1.005
ea17 1342 1342/1342 1342 ± 0.00003377 5.594 5.253/6.514 5.711 ± 0.9918
ea18 1342 1342/1342 1342 ± 0.000003784 5.734 5.412/6.79 5.856 ± 1
ea19 1342 1342/1342 1342 ± 0.00004137 5.194 5.055/6.274 5.473 ± 0.8593
ea20 1342 1342/1342 1342 ± 0.00004123 5.828 5.544/6.865 5.93 ± 0.9178
ea21 1342 1342/1342 1342 ± 0.000008279 5.048 4.921/5.922 5.339 ± 0.676
ea22 1342 1342/1342 1342 ± 0.00001945 5.621 5.146/6.445 5.662 ± 0.8884
ea23 1342 1342/1342 1342 ± 0.00004715 5.533 5.122/6.343 5.604 ± 0.8629
ea24 1342 1342/1342 1342 ± 0.000004673 5.375 5.054/6.256 5.589 ± 0.7377
ea25 1342 1342/1342 1342 ± 0.00001404 5.551 5.396/6.871 6.133 ± 0.9356
ea27 1342 1342/1342 1342 ± 0.0000206 5.168 5.021/6.304 5.479 ± 0.798
ea28 1342 1342/1342 1342 ± 0.00001833 5.595 5.39/6.743 5.834 ± 0.894
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 5.154 4.989/5.294 5.163 ± 0.2612
4 1342 1342/1342 1342 ± 0.00006055 3.584 3.481/3.725 3.601 ± 0.1937
5 1342 1342/1342 1342 ± 0.00002377 5.081 4.913/5.385 5.119 ± 0.321
6 1342 1342/1342 1342 ± 0.00002348 5.176 4.908/5.456 5.186 ± 0.2872
7 1342 1342/1342 1342 ± 0.00002348 5.235 4.998/5.429 5.216 ± 0.2696
8 1342 1342/1342 1342 ± 0.00002348 5.222 5.058/5.501 5.236 ± 0.2998
9 1342 1342/1342 1342 ± 0.00002348 5.546 5.375/5.788 5.556 ± 0.319
10 1342 1342/1342 1342 ± 0.00002348 6.142 5.871/6.269 6.091 ± 0.2941
11 1342 1342/1342 1342 ± 0.00002348 6.398 6.215/6.518 6.364 ± 0.2881
12 1342 1342/1342 1342 ± 0.00002348 6.561 6.245/6.688 6.51 ± 0.3294
13 1342 1342/1342 1342 ± 0.00002356 6.805 6.414/7.138 6.811 ± 0.3685
14 1342 1342/1342 1342 ± 0.00004979 5.972 5.621/6.394 6.068 ± 0.6284
15 1342 1342/1342 1342 ± 0.00002348 6.754 6.339/7.018 6.693 ± 0.378
16 1342 1342/1342 1342 ± 0.00006091 4.15 3.932/4.613 4.291 ± 0.4384
17 1342 1342/1342 1342 ± 0.00006103 4.221 4.039/4.521 4.3 ± 0.3533
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45459544.eb46165741.60472.10038270833_split_split.ms
statwtmode
VLASS-SE
Start time
2025-07-22 15:26:52.884
End
2025-07-22 16:39:15.876
Duration
1:12:22.992
Note, WebLog generation is not included in the time.

CASA logs for stage 8