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 5.463 5.051/6.11 5.387 ± 0.9823
ea02 1342 1342/1342 1342 ± 0.00004214 5.184 4.859/6.222 5.341 ± 0.9857
ea03 1342 1342/1342 1342 ± 0.000003862 5.09 4.925/6.05 5.285 ± 0.6789
ea04 1342 1342/1342 1342 ± 0.00004583 4.986 4.499/5.805 4.979 ± 0.7988
ea05 1342 1342/1342 1342 ± 0.00004853 5.276 4.979/6.18 5.28 ± 0.9492
ea06 1342 1342/1342 1342 ± 0.00001386 4.756 4.614/5.752 4.962 ± 0.7249
ea07 1342 1342/1342 1342 ± 0.00003946 5.022 4.771/5.933 5.156 ± 0.8787
ea08 1342 1342/1342 1342 ± 0.00001533 5.367 5.061/6.514 5.527 ± 1.041
ea09 1342 1342/1342 1342 ± 0.00004293 5.037 4.74/5.893 5.075 ± 0.8348
ea10 1342 1342/1342 1342 ± 0.00004817 2.58 2.165/2.721 2.47 ± 0.2661
ea11 1342 1342/1342 1342 ± 0.00005173 5.227 4.54/6.079 5.121 ± 1.009
ea12 1342 1342/1342 1342 ± 0.0000435 5.009 4.428/5.657 4.922 ± 0.8433
ea14 1342 1342/1342 1342 ± 0.00004563 5.38 4.995/6.274 5.331 ± 0.9197
ea15 1342 1342/1342 1342 ± 0.00004785 5.416 4.939/6.52 5.462 ± 1.041
ea16 1342 1342/1342 1342 ± 0.00001485 5.24 4.834/6.185 5.36 ± 0.8588
ea17 1342 1342/1342 1342 ± 0.00004049 5.603 5.15/6.517 5.581 ± 1.074
ea18 1342 1342/1342 1342 ± 0.000008268 5.47 5.159/6.389 5.517 ± 0.9726
ea19 1342 1342/1342 1342 ± 0.00003258 5.204 4.814/6.111 5.213 ± 0.9002
ea20 1342 1342/1342 1342 ± 0.00001744 5.716 5.419/6.417 5.839 ± 0.7933
ea21 1342 1342/1342 1342 ± 0.00000405 4.701 4.531/5.31 4.813 ± 0.5528
ea22 1342 1342/1342 1342 ± 0.00002765 5.318 4.935/6.199 5.336 ± 0.9313
ea23 1342 1342/1342 1342 ± 0.00004385 5.479 4.977/6.239 5.362 ± 0.9405
ea24 1342 1342/1342 1342 ± 0.000001691 5.057 4.874/6.162 5.357 ± 0.702
ea25 1342 1342/1342 1342 ± 0.000006432 5.406 5.105/6.212 5.573 ± 0.732
ea27 1342 1342/1342 1342 ± 0.00000939 5.061 4.492/5.897 5.091 ± 0.86
ea28 1342 1342/1342 1342 ± 0 5.632 5.494/6.546 5.839 ± 0.7681
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 ± 0.00002395 5.074 4.858/5.239 5.047 ± 0.3048
5 1342 1342/1342 1342 ± 0.00003325 4.909 4.738/5.237 4.963 ± 0.3665
6 1342 1342/1342 1342 ± 0.00002442 4.997 4.854/5.288 5.042 ± 0.2857
7 1342 1342/1342 1342 ± 0.00002395 5.123 4.985/5.328 5.171 ± 0.2609
8 1342 1342/1342 1342 ± 0.00002395 5.106 4.93/5.308 5.127 ± 0.2933
9 1342 1342/1342 1342 ± 0.00002395 5.404 5.102/5.584 5.355 ± 0.2942
10 1342 1342/1342 1342 ± 0.00002372 5.96 5.652/6.057 5.809 ± 0.5453
11 1342 1342/1342 1342 ± 0.00002372 6.194 5.964/6.293 6.095 ± 0.5578
12 1342 1342/1342 1342 ± 0.00002372 6.381 6.226/6.486 6.27 ± 0.5932
13 1342 1342/1342 1342 ± 0.00002373 6.439 6.147/6.735 6.368 ± 0.6583
14 1342 1342/1342 1342 ± 0.00004583 4.666 4.351/5.14 4.82 ± 0.7484
15 1342 1342/1342 1342 ± 0.00002372 6.315 6.01/6.589 6.219 ± 0.7237
16 1342 1342/1342 1342 ± 0.00006103 3.676 3.556/3.947 3.804 ± 0.4791
17 1342 1342/1342 1342 ± 0.000061 3.58 3.446/3.822 3.681 ± 0.4005
vis
VLASS3.2.sb45486206.eb46169366.60475.03141015046_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
datacolumn
residual_data
Start time
2025-07-23 01:13:45.268
End
2025-07-23 02:20:36.449
Duration
1:06:51.180
Note, WebLog generation is not included in the time.

CASA logs for stage 8