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 5.636 5.438/6.246 5.76 ± 0.7435
ea02 1342 1342/1342 1342 ± 0.00003494 5.594 5.367/6.503 5.754 ± 0.6698
ea03 1342 1342/1342 1342 ± 0.000002992 5.471 5.342/6.492 5.809 ± 0.6966
ea04 1342 1342/1342 1342 ± 0.00004173 5.136 4.848/5.878 5.225 ± 0.5937
ea05 1342 1342/1342 1342 ± 0.00004262 5.427 5.175/6.38 5.629 ± 0.7451
ea06 1342 1342/1342 1342 ± 0.00001115 5.245 4.876/6.014 5.382 ± 0.579
ea07 1342 1342/1342 1342 ± 0.00003729 5.364 5.003/6.269 5.571 ± 0.6983
ea08 1342 1342/1342 1342 ± 0.0000273 5.739 5.505/6.788 5.959 ± 0.7566
ea09 1342 1342/1342 1342 ± 0.00003962 5.227 5.022/5.88 5.442 ± 0.6793
ea10 1342 1342/1342 1342 ± 0.00004245 5.055 4.744/5.937 5.208 ± 0.628
ea11 1342 1342/1342 1342 ± 0.00004495 5.305 4.73/6.093 5.363 ± 0.7796
ea13 1342 1342/1342 1342 ± 0.000009501 5.473 5.229/6.182 5.636 ± 0.5584
ea14 1342 1342/1342 1342 ± 0.00004244 5.521 5.33/6.531 5.763 ± 0.7232
ea15 1342 1342/1342 1342 ± 0.00004311 5.856 5.483/6.691 5.868 ± 0.8575
ea16 1342 1342/1342 1342 ± 0.00001159 5.828 5.337/6.473 5.9 ± 0.7329
ea17 1342 1342/1342 1342 ± 0.00004125 5.754 5.251/6.64 5.911 ± 0.7851
ea18 1342 1342/1342 1342 ± 0.00002268 5.862 5.574/6.856 6.034 ± 0.7684
ea19 1342 1342/1342 1342 ± 0.00002137 5.528 5.261/6.323 5.615 ± 0.7219
ea20 1342 1342/1342 1342 ± 0.00001481 5.472 5.369/6.207 5.747 ± 0.684
ea21 1342 1342/1342 1342 ± 0.000004795 5.178 4.96/5.813 5.302 ± 0.5515
ea22 1342 1342/1342 1342 ± 0.00003376 5.745 5.229/6.539 5.783 ± 0.7199
ea23 1342 1342/1342 1342 ± 0.00004234 5.66 5.165/6.43 5.755 ± 0.7461
ea24 1342 1342/1342 1342 ± 0.000003104 5.287 5.164/6.418 5.658 ± 0.6997
ea25 1342 1342/1342 1342 ± 0.000007573 6.023 5.534/6.686 6.19 ± 0.8105
ea27 1342 1342/1342 1342 ± 0.000005536 5.403 4.989/6.365 5.478 ± 0.7735
ea28 1342 1342/1342 1342 ± 0.000007141 5.716 5.635/6.731 5.999 ± 0.7386
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 ± 0.00002349 5.346 4.984/5.415 5.26 ± 0.2547
5 1342 1342/1342 1342 ± 0.00002349 5.282 5.08/5.447 5.248 ± 0.3038
6 1342 1342/1342 1342 ± 0.00002349 5.239 5.045/5.521 5.262 ± 0.2813
7 1342 1342/1342 1342 ± 0.00002349 5.371 5.199/5.547 5.341 ± 0.252
8 1342 1342/1342 1342 ± 0.00002349 5.31 5.104/5.56 5.309 ± 0.2812
9 1342 1342/1342 1342 ± 0.00002349 5.615 5.485/5.87 5.634 ± 0.3031
10 1342 1342/1342 1342 ± 0.00002394 6.147 5.924/6.346 6.107 ± 0.3067
11 1342 1342/1342 1342 ± 0.00002349 6.416 6.207/6.579 6.389 ± 0.2861
12 1342 1342/1342 1342 ± 0.00002349 6.56 6.328/6.74 6.55 ± 0.3366
13 1342 1342/1342 1342 ± 0.00002349 6.804 6.565/7.069 6.807 ± 0.4056
14 1342 1342/1342 1342 ± 0.00002695 6.021 5.716/6.523 6.123 ± 0.5724
15 1342 1342/1342 1342 ± 0.0000239 6.328 5.828/6.735 6.256 ± 0.543
16 1342 1342/1342 1342 ± 0.00006101 4.666 4.445/4.942 4.704 ± 0.3749
17 1342 1342/1342 1342 ± 0.0000609 4.552 4.364/4.736 4.569 ± 0.2982
overwrite_modelcol
False
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-19 18:53:39.177
End
2025-07-19 20:06:03.495
Duration
1:12:24.319
Note, WebLog generation is not included in the time.

CASA logs for stage 8