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 5.51 4.985/6.12 5.416 ± 1.048
ea02 1342 1342/1342 1342 ± 0.00002866 5.136 5.049/6.15 5.366 ± 0.9701
ea03 1342 1342/1342 1342 ± 0.00000131 5.127 4.959/6.286 5.455 ± 0.7485
ea04 1342 1342/1342 1342 ± 0.00004643 4.993 4.675/5.86 5.037 ± 0.8101
ea05 1342 1342/1342 1342 ± 0.00005106 5.293 4.875/6.228 5.282 ± 0.9831
ea06 1342 1342/1342 1342 ± 0.00002447 5.044 4.741/5.766 5.12 ± 0.7463
ea07 1342 1342/1342 1342 ± 0.00004216 5.029 4.801/5.911 5.181 ± 0.8913
ea08 1342 1342/1342 1342 ± 0.000005853 5.485 5.261/6.518 5.602 ± 0.9475
ea09 1342 1342/1342 1342 ± 0.00004619 5.088 4.761/5.979 5.095 ± 0.9023
ea10 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea11 1342 1342/1342 1342 ± 0.00005221 5.226 4.646/6.157 5.12 ± 1.037
ea12 1342 1342/1342 1342 ± 0.00004356 5.055 4.751/5.728 5.029 ± 0.8391
ea14 1342 1342/1342 1342 ± 0.0000508 5.421 5.133/6.323 5.388 ± 0.9557
ea15 1342 1342/1342 1342 ± 0.00005039 5.517 5.114/6.496 5.511 ± 1.053
ea16 1342 1342/1342 1342 ± 0.00002212 5.645 5.029/6.407 5.588 ± 0.9065
ea17 1342 1342/1342 1342 ± 0.0000455 5.589 5.218/6.465 5.621 ± 1.057
ea18 1342 1342/1342 1342 ± 0.000006922 5.493 5.193/6.379 5.624 ± 0.8732
ea19 1342 1342/1342 1342 ± 0.00004272 5.284 5.086/6.113 5.344 ± 0.8854
ea20 1342 1342/1342 1342 ± 0.00004364 5.744 5.39/6.728 5.767 ± 1.019
ea21 1342 1342/1342 1342 ± 0.00000262 4.718 4.576/5.446 4.925 ± 0.6023
ea22 1342 1342/1342 1342 ± 0.00001454 5.329 4.925/6.197 5.36 ± 0.9157
ea23 1342 1342/1342 1342 ± 0.00005034 5.441 4.939/6.183 5.367 ± 0.9808
ea24 1342 1342/1342 1342 ± 0.00001359 5.042 4.631/6.024 5.253 ± 0.7674
ea25 1342 1342/1342 1342 ± 0.00001152 5.387 5.136/6.387 5.699 ± 0.862
ea27 1342 1342/1342 1342 ± 0.00001692 5.124 4.917/6.181 5.258 ± 0.8284
ea28 1342 1342/1342 1342 ± 0.000002929 5.676 5.458/6.521 5.726 ± 0.8666
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 ± 0.00002392 5.174 4.922/5.308 5.128 ± 0.3132
5 1342 1342/1342 1342 ± 0.00003202 4.981 4.765/5.204 4.996 ± 0.3289
6 1342 1342/1342 1342 ± 0.00002439 5.076 4.899/5.337 5.079 ± 0.2979
7 1342 1342/1342 1342 ± 0.00002392 5.135 5.008/5.307 5.176 ± 0.2655
8 1342 1342/1342 1342 ± 0.00002392 5.076 4.921/5.373 5.128 ± 0.2985
9 1342 1342/1342 1342 ± 0.00002392 5.53 5.214/5.68 5.421 ± 0.3059
10 1342 1342/1342 1342 ± 0.00002392 5.969 5.69/6.058 5.877 ± 0.2927
11 1342 1342/1342 1342 ± 0.00002392 6.181 6.055/6.326 6.163 ± 0.283
12 1342 1342/1342 1342 ± 0.00002392 6.345 6.227/6.479 6.335 ± 0.3336
13 1342 1342/1342 1342 ± 0.00002429 6.561 6.378/6.856 6.558 ± 0.3208
14 1342 1342/1342 1342 ± 0.00005549 5.192 4.833/5.624 5.332 ± 0.6573
15 1342 1342/1342 1342 ± 0.00002392 6.54 6.183/6.832 6.497 ± 0.3997
16 1342 1342/1342 1342 ± 0.00006039 3.56 3.386/3.859 3.662 ± 0.3719
17 1342 1342/1342 1342 ± 0.0000604 3.747 3.451/3.996 3.751 ± 0.3881
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 15:13:54.701
End
2025-07-22 16:01:28.647
Duration
0:47:33.946
Note, WebLog generation is not included in the time.

CASA logs for stage 8