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

Statwt Summary Plot

VLASS3.2.sb45486206.eb46169366.60475.03141015046_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 5.398 5.258/6.063 5.468 ± 0.8342
ea02 1342 1342/1342 1342 ± 0.00004204 5.185 4.95/6.229 5.384 ± 0.8425
ea03 1342 1342/1342 1342 ± 0.000001166 5.121 4.889/5.843 5.302 ± 0.6406
ea04 1342 1342/1342 1342 ± 0.00004034 4.97 4.707/5.714 4.998 ± 0.7017
ea05 1342 1342/1342 1342 ± 0.00004314 5.272 4.911/6.072 5.318 ± 0.8331
ea06 1342 1342/1342 1342 ± 0.00001335 4.891 4.689/5.723 5.034 ± 0.6399
ea07 1342 1342/1342 1342 ± 0.00003711 5.001 4.781/5.933 5.201 ± 0.7766
ea08 1342 1342/1342 1342 ± 0.00003015 5.367 5.131/6.476 5.542 ± 0.8891
ea09 1342 1342/1342 1342 ± 0.000037 5.026 4.841/5.629 5.131 ± 0.712
ea10 1342 1342/1342 1342 ± 0.00003491 2.45 2.314/2.705 2.481 ± 0.2299
ea11 1342 1342/1342 1342 ± 0.00004768 5.15 4.613/6.062 5.206 ± 0.8926
ea12 1342 1342/1342 1342 ± 0.0000358 4.912 4.612/5.558 4.916 ± 0.6933
ea14 1342 1342/1342 1342 ± 0.00004113 5.27 4.979/6.097 5.351 ± 0.7928
ea15 1342 1342/1342 1342 ± 0.00004359 5.472 5.118/6.444 5.543 ± 0.9501
ea16 1342 1342/1342 1342 ± 0.00001191 5.475 5.009/6.143 5.455 ± 0.7654
ea17 1342 1342/1342 1342 ± 0.00003869 5.562 5.157/6.428 5.678 ± 0.9019
ea18 1342 1342/1342 1342 ± 0.00002702 5.432 4.91/6.415 5.5 ± 0.8569
ea19 1342 1342/1342 1342 ± 0.00002275 5.232 5.039/6.048 5.285 ± 0.8124
ea20 1342 1342/1342 1342 ± 0.0000164 5.67 5.467/6.486 5.876 ± 0.7477
ea21 1342 1342/1342 1342 ± 0.000004514 4.678 4.509/5.34 4.822 ± 0.5216
ea22 1342 1342/1342 1342 ± 0.00003349 5.336 4.873/6.135 5.351 ± 0.7909
ea23 1342 1342/1342 1342 ± 0.00004052 5.433 4.961/6.219 5.437 ± 0.8386
ea24 1342 1342/1342 1342 ± 0.000006185 5.152 4.85/6.008 5.354 ± 0.6525
ea25 1342 1342/1342 1342 ± 0.000007868 5.556 5.104/6.219 5.642 ± 0.7215
ea27 1342 1342/1342 1342 ± 0.000006992 5.034 4.706/6.023 5.123 ± 0.818
ea28 1342 1342/1342 1342 ± 0.000008587 5.622 5.427/6.404 5.798 ± 0.7278
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 ± 0.00002366 5.076 4.755/5.242 4.989 ± 0.4933
5 1342 1342/1342 1342 ± 0.00002636 4.831 4.61/5.029 4.78 ± 0.5361
6 1342 1342/1342 1342 ± 0.00002412 4.964 4.808/5.315 4.974 ± 0.4969
7 1342 1342/1342 1342 ± 0.00002366 5.125 4.936/5.278 5.075 ± 0.4877
8 1342 1342/1342 1342 ± 0.00002366 5.043 4.882/5.276 5.019 ± 0.5108
9 1342 1342/1342 1342 ± 0.00002366 5.45 5.158/5.6 5.319 ± 0.5326
10 1342 1342/1342 1342 ± 0.00002349 5.885 5.615/6.009 5.705 ± 0.6857
11 1342 1342/1342 1342 ± 0.00002349 6.135 5.934/6.24 5.982 ± 0.7107
12 1342 1342/1342 1342 ± 0.00002349 6.271 6.095/6.444 6.155 ± 0.7386
13 1342 1342/1342 1342 ± 0.00002349 6.431 6.132/6.662 6.305 ± 0.8216
14 1342 1342/1342 1342 ± 0.00003208 4.989 4.753/5.387 5.107 ± 0.8538
15 1342 1342/1342 1342 ± 0.00002349 6.102 5.801/6.54 6.006 ± 0.8848
16 1342 1342/1342 1342 ± 0.00006099 4.027 3.817/4.29 4.051 ± 0.5377
17 1342 1342/1342 1342 ± 0.00006099 3.912 3.735/4.14 3.964 ± 0.3409
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2025-07-23 05:31:15.687
End
2025-07-23 06:41:55.414
Duration
1:10:39.728
Note, WebLog generation is not included in the time.

CASA logs for stage 8