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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.385 4.452/5.839 5.109 ± 0.7788
ea02 1342 1342/1342 1342 ± 0.00002011 5.438 4.305/5.993 5.225 ± 0.983
ea04 1342 1342/1342 1342 ± 0 5.291 4.203/5.986 5.13 ± 0.8381
ea05 1342 1342/1342 1342 ± 0 5.466 4.775/6.109 5.463 ± 0.8341
ea06 1342 1342/1342 1342 ± 0 4.986 4.05/5.256 4.633 ± 0.6999
ea07 1342 1342/1342 1342 ± 0 5.436 4.147/5.845 5.092 ± 1
ea08 1342 1342/1342 1342 ± 0 5.673 4.476/6.295 5.414 ± 0.9807
ea09 1342 1342/1342 1342 ± 0 5.103 4.433/5.993 5.208 ± 0.9432
ea10 1342 1342/1342 1342 ± 0 5.225 4.019/5.831 4.94 ± 0.9571
ea11 1342 1342/1342 1342 ± 0 4.932 4.477/6.007 5.153 ± 0.7524
ea12 1342 1342/1342 1342 ± 0 5.563 4.436/5.944 5.217 ± 0.9478
ea13 1342 1342/1342 1342 ± 0 5.656 4.818/6.178 5.487 ± 0.9275
ea14 1342 1342/1342 1342 ± 0 5.721 4.082/6.121 5.205 ± 1.11
ea15 1342 1342/1342 1342 ± 0 5.172 4.349/5.913 5.157 ± 0.9552
ea16 1342 1342/1342 1342 ± 0 5.896 4.534/6.598 5.458 ± 1.176
ea17 1342 1342/1342 1342 ± 0 5.598 4.634/6.492 5.424 ± 0.9417
ea18 1342 1342/1342 1342 ± 0 4.748 4.156/5.505 4.698 ± 0.7516
ea19 1342 1342/1342 1342 ± 0 6.047 4.945/6.289 5.537 ± 1.017
ea20 1342 1342/1342 1342 ± 0 5.552 4.598/6.196 5.496 ± 0.9645
ea21 1342 1342/1342 1342 ± 0 5.573 4.64/5.96 5.195 ± 1.009
ea22 1342 1342/1342 1342 ± 0 5.356 4.403/6.018 5.209 ± 1.007
ea23 1342 1342/1342 1342 ± 0 5.843 4.421/6.034 5.242 ± 1.152
ea25 1342 1342/1342 1342 ± 0 5.183 4.285/5.703 5.132 ± 0.7854
ea26 1342 1342/1342 1342 ± 0 5.394 4.529/5.988 5.298 ± 0.9379
ea27 1342 1342/1342 1342 ± 0.00001924 5.081 4.229/5.871 5.008 ± 0.9345
ea28 1342 1342/1342 1342 ± 0 5.596 4.469/6.149 5.243 ± 0.9772
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 ± 0.00002435 3.798 3.672/4.01 3.838 ± 0.2667
3 1342 1342/1342 1342 ± 0.00002435 3.845 3.706/4.115 3.898 ± 0.2745
4 1342 1342/1342 1342 ± 0.00002491 3.95 3.717/4.127 3.95 ± 0.3631
5 1342 1342/1342 1342 ± 0.00002348 4.267 4.126/4.473 4.281 ± 0.245
6 1342 1342/1342 1342 ± 0.00002348 4.433 4.255/4.57 4.417 ± 0.2655
7 1342 1342/1342 1342 ± 0.00002348 4.547 4.429/4.732 4.587 ± 0.2397
8 1342 1342/1342 1342 ± 0.00002348 4.701 4.565/4.902 4.699 ± 0.2565
9 1342 1342/1342 1342 ± 0.00002348 5.1 4.887/5.226 5.029 ± 0.2559
10 1342 1342/1342 1342 ± 0.00002393 5.608 5.409/5.847 5.628 ± 0.3105
11 1342 1342/1342 1342 ± 0.00002348 5.897 5.752/6.007 5.826 ± 0.2714
12 1342 1342/1342 1342 ± 0.00002348 6.055 5.86/6.205 6.028 ± 0.2922
13 1342 1342/1342 1342 ± 0.00002348 6.485 6.241/6.581 6.422 ± 0.3438
14 1342 1342/1342 1342 ± 0.00002393 6.687 6.492/6.871 6.634 ± 0.3705
15 1342 1342/1342 1342 ± 0.00002393 6.404 6.104/6.51 6.305 ± 0.3352
16 1342 1342/1342 1342 ± 0.00002619 5.851 5.536/5.949 5.766 ± 0.311
17 1342 1342/1342 1342 ± 0.00002559 5.85 5.652/5.989 5.806 ± 0.2915
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
overwrite_modelcol
False
Start time
2025-05-17 05:50:57.253
End
2025-05-17 06:19:28.632
Duration
0:28:31.380
Note, WebLog generation is not included in the time.

CASA logs for stage 8